diff --git a/build-tools/build.gradle.kts b/build-tools/build.gradle.kts
index 2f884107fb4..78c437329b1 100644
--- a/build-tools/build.gradle.kts
+++ b/build-tools/build.gradle.kts
@@ -65,7 +65,7 @@ dependencies {
 }
 
 sourceSets["main"].withConvention(KotlinSourceSet::class) {
-    kotlin.srcDir("$projectDir/../tools/benchmarks/shared/src")
+    kotlin.srcDir("$projectDir/../tools/benchmarks/shared/src/main/kotlin/report")
 }
 
 gradlePlugin {
diff --git a/build-tools/src/main/kotlin/org/jetbrains/kotlin/BuildRegister.kt b/build-tools/src/main/kotlin/org/jetbrains/kotlin/BuildRegister.kt
index 5cde686e331..a67b2f1c113 100644
--- a/build-tools/src/main/kotlin/org/jetbrains/kotlin/BuildRegister.kt
+++ b/build-tools/src/main/kotlin/org/jetbrains/kotlin/BuildRegister.kt
@@ -6,46 +6,31 @@
 package org.jetbrains.kotlin
 
 import org.gradle.api.DefaultTask
-import org.gradle.api.tasks.Input
 import org.gradle.api.tasks.TaskAction
-
-import org.jetbrains.report.json.*
-
-import java.io.FileInputStream
-import java.io.OutputStreamWriter
 import java.io.BufferedReader
+import java.io.FileInputStream
 import java.io.InputStreamReader
+import java.io.OutputStreamWriter
 import java.net.HttpURLConnection
 import java.net.URL
-import java.util.Properties
+import java.util.*
 
-typealias performanceAdditionalResult = Triple<String, String, String>
 /**
- * Task to produce regressions report and send it to slack. Requires a report with current benchmarks result
- * and path to analyzer tool
+ * Task to save benchmarks results on server.
  *
- * @property currentBenchmarksReportFile  path to file with becnhmarks result
- * @property analyzer path to analyzer tool
  * @property bundleSize size of build
  * @property onlyBranch register only builds for branch
+ * @property fileWithResult json file with benchmarks run results
  */
 open class BuildRegister : DefaultTask() {
-    @Input
-    lateinit var currentBenchmarksReportFile: String
-    @Input
-    lateinit var analyzer: String
-
     var onlyBranch: String? = null
 
     var bundleSize: Int? = null
+    var fileWithResult: String = "nativeReport.json"
 
-    val buildInfoTokens: Int = 4
-    val additionalInfoTokens: Int = 3
-    val compileTimeSamplesNumber: Int = 2
-    val buildNumberRegex: Regex = "\\d+(\\.\\d+)+(-M\\d)?-(\\w+)-\\d+".toRegex()
     val performanceServer = "https://kotlin-native-perf-summary.labs.jb.gg"
 
-    private fun sendPostRequest(url: String, body: String) : String {
+    private fun sendPostRequest(url: String, body: String): String {
         val connection = URL(url).openConnection() as HttpURLConnection
         return connection.apply {
             setRequestProperty("Content-Type", "application/json; charset=utf-8")
@@ -71,131 +56,33 @@ open class BuildRegister : DefaultTask() {
         }
     }
 
-    fun getAdditionalInfo(analyzer: String, reportFile: String, alwaysExists: Boolean, benchmarkName: String,
-                          showedName: String = benchmarkName) :
-            performanceAdditionalResult? {
-        val output = arrayOf(analyzer, "summary", "--compile", "samples",
-                "--compile-samples", benchmarkName, "--codesize-samples", benchmarkName,
-                "--codesize-normalize", "artifactory:builds/goldenResults.csv", reportFile)
-                .runCommand()
-
-
-        val buildInfoParts = output.split(',')
-        if (buildInfoParts.size != additionalInfoTokens) {
-            val message = "Problems with getting summary information using $analyzer and $reportFile. $output"
-            if (!alwaysExists) {
-                println(message)
-                return null
-            }
-            error(message)
-        }
-        val (failures, compileTime, codeSize) = buildInfoParts.map { it.trim() }
-        val codeSizeInfo = "$showedName-$codeSize"
-        val compileTimeInfo = "$showedName-$compileTime"
-        return performanceAdditionalResult(failures, compileTimeInfo, codeSizeInfo)
-    }
-
     @TaskAction
     fun run() {
         // Get TeamCity properties.
-        val teamcityConfig = System.getenv("TEAMCITY_BUILD_PROPERTIES_FILE") ?:
-            error("Can't load teamcity config!")
+        val teamcityConfig = System.getenv("TEAMCITY_BUILD_PROPERTIES_FILE") ?: error("Can't load teamcity config!")
 
         val buildProperties = Properties()
         buildProperties.load(FileInputStream(teamcityConfig))
         val buildId = buildProperties.getProperty("teamcity.build.id")
         val teamCityUser = buildProperties.getProperty("teamcity.auth.userId")
         val teamCityPassword = buildProperties.getProperty("teamcity.auth.password")
-        val buildNumber = buildProperties.getProperty("build.number")
-        val apiKey = buildProperties.getProperty("artifactory.apikey")
 
         // Get branch.
         val currentBuild = getBuild("id:$buildId", teamCityUser, teamCityPassword)
-        val branch = getBuildProperty(currentBuild,"branchName")
-
-        val target = System.getProperty("os.name").replace("\\s".toRegex(), "")
-
-        // Get summary information.
-        val output = arrayOf("$analyzer", "summary", "--exec-samples", "all", "--compile", "samples",
-                "--compile-samples", "HelloWorld,Videoplayer", "--codesize-samples", "all",
-                "--exec-normalize", "artifactory:builds/goldenResults.csv",
-                "--codesize-normalize", "artifactory:builds/goldenResults.csv", "$currentBenchmarksReportFile")
-                .runCommand()
-
-        // Postprocess information.
-        val buildInfoParts = output.split(',')
-        if (buildInfoParts.size != buildInfoTokens) {
-            error("Problems with getting summary information using $analyzer and $currentBenchmarksReportFile. $output")
-        }
-
-        val (failures, executionTime, compileTime, codeSize) = buildInfoParts.map { it.trim() }
-        var failuresNumber = failures.toInt()
-        // Add legends.
-        val geometricMean = "Geometric Mean-"
-        val executionTimeInfo = "$geometricMean$executionTime"
-        var codeSizeInfo = "$geometricMean$codeSize"
-        val compileTimeSamples = compileTime.split(';')
-        if (compileTimeSamples.size != compileTimeSamplesNumber) {
-            error("Problems with getting compile time samples value. Expected at least $compileTimeSamplesNumber samples, got ${compileTimeSamples.size}")
-        }
-        val (helloWorldCompile, videoplayerCompile) = compileTimeSamples
-        var compileTimeInfo = "HelloWorld-$helloWorldCompile;Videoplayer-$videoplayerCompile"
-
-        // Collect framework run details.
-        if (target == "MacOSX") {
-            val frameworkResults = getAdditionalInfo(analyzer, currentBenchmarksReportFile, true,
-                    "FrameworkBenchmarksAnalyzer")
-            frameworkResults?.let {
-                val (_, frameworkCompileTime, frameworkCodeSize) = it
-                codeSizeInfo += ";$frameworkCodeSize"
-                compileTimeInfo += ";$frameworkCompileTime"
-            }
-
-            val spaceResults = getAdditionalInfo(analyzer,
-                    "artifactory:$buildNumber:$target:spaceFrameworkReport.json", false,
-                    "circlet_iosX64", "SpaceFramework_iosX64")
-            spaceResults?.let {
-                val (failures, frameworkCompileTime, frameworkCodeSize) = it
-                failuresNumber += failures.toInt()
-                codeSizeInfo += ";$frameworkCodeSize"
-                compileTimeInfo += ";$frameworkCompileTime"
-            }
-        }
-
-        if (target == "Linux") {
-            val coroutinesResults = getAdditionalInfo(analyzer,
-                    "artifactory:$buildNumber:$target:externalReport.json", false,
-                    "kotlinx.coroutines")
-            coroutinesResults?.let {
-                val (failures, libraryCompileTime, libraryCodeSize) = it
-                failuresNumber += failures.toInt()
-                codeSizeInfo += ";$libraryCodeSize"
-                compileTimeInfo += ";$libraryCompileTime"
-            }
-        }
-
-        val matchResult = buildNumberRegex.find(buildNumber) ?: error("Wrong format of build number $buildNumber.")
-        val buildType = matchResult.groups[3]!!.value
+        val branch = getBuildProperty(currentBuild, "branchName")
 
         // Send post request to register build.
         val requestBody = buildString {
             append("{\"buildId\":\"$buildId\",")
             append("\"teamCityUser\":\"$teamCityUser\",")
             append("\"teamCityPassword\":\"$teamCityPassword\",")
-            append("\"artifactoryApiKey\":\"$apiKey\",")
-            append("\"target\": \"$target\",")
-            append("\"buildType\": \"$buildType\",")
-            append("\"failuresNumber\": $failuresNumber,")
-            append("\"executionTime\": \"$executionTimeInfo\",")
-            append("\"compileTime\": \"$compileTimeInfo\",")
-            append("\"codeSize\": \"$codeSizeInfo\",")
-            append("\"bundleSize\": ${bundleSize?.let {"\"$bundleSize\""} ?: bundleSize}}")
+            append("\"fileWithResult\":\"$fileWithResult\",")
+            append("\"bundleSize\": ${bundleSize?.let { "\"$bundleSize\"" } ?: bundleSize}}")
         }
         if (onlyBranch == null || onlyBranch == branch) {
             println(sendPostRequest("$performanceServer/register", requestBody))
         } else {
             println("Skipping registration. Current branch $branch, need registration for $onlyBranch!")
         }
-
     }
 }
\ No newline at end of file
diff --git a/build-tools/src/main/kotlin/org/jetbrains/kotlin/MPPTools.kt b/build-tools/src/main/kotlin/org/jetbrains/kotlin/MPPTools.kt
index a0c8e191eb1..03a076be46e 100644
--- a/build-tools/src/main/kotlin/org/jetbrains/kotlin/MPPTools.kt
+++ b/build-tools/src/main/kotlin/org/jetbrains/kotlin/MPPTools.kt
@@ -104,7 +104,7 @@ fun createJsonReport(projectProperties: Map<String, Any>): String {
     val kotlin = Compiler(backend, getValue("kotlinVersion"))
     val benchDesc = getValue("benchmarks")
     val benchmarksArray = JsonTreeParser.parse(benchDesc)
-    val benchmarks = BenchmarksReport.parseBenchmarksArray(benchmarksArray)
+    val benchmarks = parseBenchmarksArray(benchmarksArray)
             .union(projectProperties["compileTime"] as List<BenchmarkResult>).union(
                     listOf(projectProperties["codeSize"] as? BenchmarkResult).filterNotNull()).toList()
     val report = BenchmarksReport(env, benchmarks, kotlin)
diff --git a/performance/build.gradle b/performance/build.gradle
index 86cb5b0ebaf..de781fcb4cb 100644
--- a/performance/build.gradle
+++ b/performance/build.gradle
@@ -56,7 +56,8 @@ private String findAnalyzerBinary() {
 
 // Produce and send slack report.
 task slackReport(type: RegressionsReporter) {
-    def analyzerBinary = findAnalyzerBinary()
+    def analyzerBinary = MPPTools.findFile("${analyzerTool}${MPPTools.getNativeProgramExtension()}",
+            "${rootBuildDirectory}/${analyzerToolDirectory}")
     def teamcityConfig = System.getenv("TEAMCITY_BUILD_PROPERTIES_FILE")
     if (teamcityConfig && analyzerBinary != null) {
         // Create folder for report (root Kotlin project settings make create report in separate folder).
@@ -159,21 +160,23 @@ task registerExternalBenchmarks {
 }
 
 task registerBuild(type: BuildRegister) {
-    def analyzerBinary = findAnalyzerBinary()
-    if (analyzerBinary != null) {
-        onlyBranch = project.findProperty('kotlin.register.branch')
-        // Get bundle size.
-        bundleSize = null
-        if (project.findProperty('kotlin.bundleBuild') != null) {
-            def dist = findProperty('kotlin.native.home') ?: 'dist'
-            dist = (new File(dist)).isAbsolute() ? dist : "${project.getProjectDir()}/$dist"
-            bundleSize = (new File(dist)).directorySize()
-        }
-        currentBenchmarksReportFile = "${buildDir.absolutePath}/${nativeJson}"
-        analyzer = analyzerBinary
+    onlyBranch = project.findProperty('kotlin.register.branch')
+    // Get bundle size.
+    bundleSize = null
+    if (project.findProperty('kotlin.bundleBuild') != null) {
+        def dist = findProperty('kotlin.native.home') ?: 'dist'
+        dist = (new File(dist)).isAbsolute() ? dist : "${project.getProjectDir()}/$dist"
+        bundleSize = (new File(dist)).directorySize()
     }
 }
 
+task registerExternalBuild(type: BuildRegister) {
+    onlyBranch = project.findProperty('kotlin.register.branch')
+    fileWithResult = externalBenchmarksReport
+}
+
+registerExternalBenchmarks.finalizedBy registerExternalBuild
+
 def mergeReports(String fileName) {
     def reports = []
     subprojects.each {
@@ -265,4 +268,4 @@ task videoplayer {
 task KotlinVsSwift {
     dependsOn 'clean'
     dependsOn 'KotlinVsSwift:konanRun'
-}
+}
\ No newline at end of file
diff --git a/performance/cinterop/build.gradle.kts b/performance/cinterop/build.gradle.kts
index f325edf12fc..f885f4325ba 100644
--- a/performance/cinterop/build.gradle.kts
+++ b/performance/cinterop/build.gradle.kts
@@ -14,7 +14,7 @@ val defaultBuildType = NativeBuildType.RELEASE
 
 benchmark {
     applicationName = "Cinterop"
-    commonSrcDirs = listOf("../../tools/benchmarks/shared/src", "src/main/kotlin", "../shared/src/main/kotlin")
+    commonSrcDirs = listOf("../../tools/benchmarks/shared/src/main/kotlin/report", "src/main/kotlin", "../shared/src/main/kotlin")
     jvmSrcDirs = listOf("src/main/kotlin-jvm", "../shared/src/main/kotlin-jvm")
     nativeSrcDirs = listOf("src/main/kotlin-native", "../shared/src/main/kotlin-native/common")
     mingwSrcDirs = listOf("src/main/kotlin-native", "../shared/src/main/kotlin-native/mingw")
diff --git a/performance/numerical/build.gradle.kts b/performance/numerical/build.gradle.kts
index 9fd84a31c68..ede81d6f69c 100644
--- a/performance/numerical/build.gradle.kts
+++ b/performance/numerical/build.gradle.kts
@@ -17,7 +17,7 @@ val defaultBuildType = NativeBuildType.RELEASE
 
 benchmark {
     applicationName = "Numerical"
-    commonSrcDirs = listOf("src/main/kotlin", "../../tools/benchmarks/shared/src", "../shared/src/main/kotlin")
+    commonSrcDirs = listOf("src/main/kotlin", "../../tools/benchmarks/shared/src/main/kotlin/report", "../shared/src/main/kotlin")
     jvmSrcDirs = listOf("src/main/kotlin-jvm", "../shared/src/main/kotlin-jvm")
     nativeSrcDirs = listOf("src/main/kotlin-native", "../shared/src/main/kotlin-native/common")
     mingwSrcDirs = listOf("../shared/src/main/kotlin-native/mingw")
diff --git a/performance/objcinterop/build.gradle.kts b/performance/objcinterop/build.gradle.kts
index 62bea4337c8..71c4c7322f1 100644
--- a/performance/objcinterop/build.gradle.kts
+++ b/performance/objcinterop/build.gradle.kts
@@ -17,7 +17,7 @@ val defaultBuildType = NativeBuildType.RELEASE
 
 benchmark {
     applicationName = "ObjCInterop"
-    commonSrcDirs = listOf("../../tools/benchmarks/shared/src", "src/main/kotlin", "../shared/src/main/kotlin")
+    commonSrcDirs = listOf("../../tools/benchmarks/shared/src/main/kotlin/report", "src/main/kotlin", "../shared/src/main/kotlin")
     jvmSrcDirs = listOf("src/main/kotlin-jvm", "../shared/src/main/kotlin-jvm")
     nativeSrcDirs = listOf("src/main/kotlin-native", "../shared/src/main/kotlin-native/common")
     mingwSrcDirs = listOf("src/main/kotlin-native", "../shared/src/main/kotlin-native/mingw")
diff --git a/performance/ring/build.gradle.kts b/performance/ring/build.gradle.kts
index f73da76453e..2eda534e016 100644
--- a/performance/ring/build.gradle.kts
+++ b/performance/ring/build.gradle.kts
@@ -13,7 +13,7 @@ val defaultBuildType = NativeBuildType.RELEASE
 
 benchmark {
     applicationName = "Ring"
-    commonSrcDirs = listOf("../../tools/benchmarks/shared/src", "src/main/kotlin", "../shared/src/main/kotlin")
+    commonSrcDirs = listOf("../../tools/benchmarks/shared/src/main/kotlin/report", "src/main/kotlin", "../shared/src/main/kotlin")
     jvmSrcDirs = listOf("src/main/kotlin-jvm", "../shared/src/main/kotlin-jvm")
     nativeSrcDirs = listOf("src/main/kotlin-native", "../shared/src/main/kotlin-native/common")
     mingwSrcDirs = listOf("src/main/kotlin-native", "../shared/src/main/kotlin-native/mingw")
diff --git a/performance/startup/build.gradle.kts b/performance/startup/build.gradle.kts
index 5effe87088b..df66b9598f2 100644
--- a/performance/startup/build.gradle.kts
+++ b/performance/startup/build.gradle.kts
@@ -15,7 +15,7 @@ val defaultBuildType = NativeBuildType.RELEASE
 
 benchmark {
     applicationName = "Startup"
-    commonSrcDirs = listOf("../../tools/benchmarks/shared/src", "src/main/kotlin", "../shared/src/main/kotlin")
+    commonSrcDirs = listOf("../../tools/benchmarks/shared/src/main/kotlin/report", "src/main/kotlin", "../shared/src/main/kotlin")
     jvmSrcDirs = listOf("../shared/src/main/kotlin-jvm")
     nativeSrcDirs = listOf("../shared/src/main/kotlin-native/common")
     mingwSrcDirs = listOf("../shared/src/main/kotlin-native/mingw")
diff --git a/performance/swiftinterop/build.gradle.kts b/performance/swiftinterop/build.gradle.kts
index 70bc0ac11e6..e5149a22829 100644
--- a/performance/swiftinterop/build.gradle.kts
+++ b/performance/swiftinterop/build.gradle.kts
@@ -15,7 +15,7 @@ val defaultBuildType = NativeBuildType.RELEASE
 
 swiftBenchmark {
     applicationName = "swiftInterop"
-    commonSrcDirs = listOf("$toolsPath/benchmarks/shared/src/main/kotlin", "src", "../shared/src/main/kotlin")
+    commonSrcDirs = listOf("$toolsPath/benchmarks/shared/src/main/kotlin/report", "src", "../shared/src/main/kotlin")
     nativeSrcDirs = listOf("../shared/src/main/kotlin-native/common", "../shared/src/main/kotlin-native/posix")
     swiftSources = listOf("$projectDir/swiftSrc/benchmarks.swift", "$projectDir/swiftSrc/main.swift")
     compileTasks = listOf("compileKotlinNative", "linkBenchmarkReleaseFrameworkNative")
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/analyzer/FieldChange.kt b/tools/benchmarks/shared/src/main/kotlin/analyzer/FieldChange.kt
similarity index 62%
rename from tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/analyzer/FieldChange.kt
rename to tools/benchmarks/shared/src/main/kotlin/analyzer/FieldChange.kt
index aaa0b618663..8bef7cb23e8 100644
--- a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/analyzer/FieldChange.kt
+++ b/tools/benchmarks/shared/src/main/kotlin/analyzer/FieldChange.kt
@@ -1,20 +1,8 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
-
 package org.jetbrains.analyzer
 
 // Report with changes of different fields.
diff --git a/tools/benchmarks/shared/src/main/kotlin/analyzer/Statistics.kt b/tools/benchmarks/shared/src/main/kotlin/analyzer/Statistics.kt
new file mode 100644
index 00000000000..adb1d226f6e
--- /dev/null
+++ b/tools/benchmarks/shared/src/main/kotlin/analyzer/Statistics.kt
@@ -0,0 +1,131 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package org.jetbrains.analyzer
+
+import org.jetbrains.report.BenchmarkResult
+import org.jetbrains.report.MeanVariance
+import org.jetbrains.report.MeanVarianceBenchmark
+import kotlin.math.abs
+import kotlin.math.max
+import kotlin.math.min
+import kotlin.math.pow
+import kotlin.math.sqrt
+
+val MeanVariance.description: String
+    get() {
+        val format = { number: Double -> number.format(2) }
+        return "${format(mean)} ± ${format(variance)}"
+    }
+
+val MeanVarianceBenchmark.description: String
+    get() = "${score.format()} ± ${variance.format()}"
+
+// Calculate difference in percentage compare to another.
+fun MeanVarianceBenchmark.calcPercentageDiff(other: MeanVarianceBenchmark): MeanVariance {
+    assert(other.score >= 0 &&
+            other.variance >= 0 &&
+            other.score - other.variance != 0.0,
+            { "Mean and variance should be positive and not equal!" })
+    // Analyze intervals. Calculate difference between border points.
+    val (bigValue, smallValue) = if (score > other.score) Pair(this, other) else Pair(other, this)
+    val bigValueIntervalStart = bigValue.score - bigValue.variance
+    val bigValueIntervalEnd = bigValue.score + bigValue.variance
+    val smallValueIntervalStart = smallValue.score - smallValue.variance
+    val smallValueIntervalEnd = smallValue.score + smallValue.variance
+    if (smallValueIntervalEnd > bigValueIntervalStart) {
+        // Interval intersect.
+        return MeanVariance(0.0, 0.0)
+    }
+    val mean = ((smallValueIntervalEnd - bigValueIntervalStart) / bigValueIntervalStart) *
+            (if (score > other.score) -1 else 1)
+
+    val maxValueChange = ((bigValueIntervalEnd - smallValueIntervalEnd) / bigValueIntervalEnd)
+    val minValueChange = ((bigValueIntervalStart - smallValueIntervalStart) / bigValueIntervalStart)
+    val variance = abs(abs(mean) - max(minValueChange, maxValueChange))
+    return MeanVariance(mean * 100, variance * 100)
+}
+
+// Calculate ratio value compare to another.
+fun MeanVarianceBenchmark.calcRatio(other: MeanVarianceBenchmark): MeanVariance {
+    assert(other.score >= 0 &&
+            other.variance >= 0 &&
+            other.score - other.variance != 0.0,
+            { "Mean and variance should be positive and not equal!" })
+    val mean = score / other.score
+    val minRatio = (score - variance) / (other.score + other.variance)
+    val maxRatio = (score + variance) / (other.score - other.variance)
+    val ratioConfInt = min(abs(minRatio - mean), abs(maxRatio - mean))
+    return MeanVariance(mean, ratioConfInt)
+}
+
+fun geometricMean(values: Collection<Double>, totalNumber: Int = values.size) =
+        with(values.asSequence().filter { it != 0.0 }) {
+            if (count() == 0) {
+                0.0
+            } else {
+                map { it.pow(1.0 / totalNumber) }.reduce { a, b -> a * b }
+            }
+        }
+
+fun computeMeanVariance(samples: List<Double>): MeanVariance {
+    val zStar = 1.67    // Critical point for 90% confidence of normal distribution.
+    val mean = samples.sum() / samples.size
+    val variance = samples.indices.sumByDouble { (samples[it] - mean) * (samples[it] - mean) } / samples.size
+    val confidenceInterval = sqrt(variance / samples.size) * zStar
+    return MeanVariance(mean, confidenceInterval)
+}
+
+// Calculate average results for benchmarks (each benchmark can be run several times).
+fun collectMeanResults(benchmarks: Map<String, List<BenchmarkResult>>): BenchmarksTable {
+    return benchmarks.map { (name, resultsSet) ->
+        val repeatedSequence = IntArray(resultsSet.size)
+        var metric = BenchmarkResult.Metric.EXECUTION_TIME
+        var currentStatus = BenchmarkResult.Status.PASSED
+        var currentWarmup = -1
+
+        // Results can be already processed.
+        if (resultsSet[0] is MeanVarianceBenchmark) {
+            assert(resultsSet.size == 1) { "Several MeanVarianceBenchmark instances." }
+            name to resultsSet[0] as MeanVarianceBenchmark
+        } else {
+            // Collect common benchmark values and check them.
+            resultsSet.forEachIndexed { index, result ->
+                // If there was at least one failure, summary is marked as failure.
+                if (result.status == BenchmarkResult.Status.FAILED) {
+                    currentStatus = result.status
+                }
+                repeatedSequence[index] = result.repeat
+                if (currentWarmup != -1)
+                    if (result.warmup != currentWarmup)
+                        println("Check data consistency. Warmup value for benchmark '${result.name}' differs.")
+                currentWarmup = result.warmup
+                metric = result.metric
+            }
+
+            repeatedSequence.sort()
+            // Check if there are missed loop during running benchmarks.
+            repeatedSequence.forEachIndexed { index, element ->
+                if (index != 0)
+                    if ((element - repeatedSequence[index - 1]) != 1)
+                        println("Check data consistency. For benchmark '$name' there is no run" +
+                                " between ${repeatedSequence[index - 1]} and $element.")
+            }
+
+            // Create mean and variance benchmarks result.
+            val scoreMeanVariance = computeMeanVariance(resultsSet.map { it.score })
+            val runtimeInUsMeanVariance = computeMeanVariance(resultsSet.map { it.runtimeInUs })
+            val meanBenchmark = MeanVarianceBenchmark(name, currentStatus, scoreMeanVariance.mean, metric,
+                    runtimeInUsMeanVariance.mean, repeatedSequence[resultsSet.size - 1],
+                    currentWarmup, scoreMeanVariance.variance)
+            name to meanBenchmark
+        }
+    }.toMap()
+}
+
+fun collectBenchmarksDurations(benchmarks: Map<String, List<BenchmarkResult>>): Map<String, Double> =
+        benchmarks.map { (name, resultsSet) ->
+            name to resultsSet.sumByDouble { it.runtimeInUs }
+        }.toMap()
\ No newline at end of file
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/analyzer/SummaryBenchmarksReport.kt b/tools/benchmarks/shared/src/main/kotlin/analyzer/SummaryBenchmarksReport.kt
similarity index 77%
rename from tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/analyzer/SummaryBenchmarksReport.kt
rename to tools/benchmarks/shared/src/main/kotlin/analyzer/SummaryBenchmarksReport.kt
index 2725a07c006..6048d975197 100644
--- a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/analyzer/SummaryBenchmarksReport.kt
+++ b/tools/benchmarks/shared/src/main/kotlin/analyzer/SummaryBenchmarksReport.kt
@@ -1,27 +1,17 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
-
 package org.jetbrains.analyzer
 
-import kotlin.math.abs
 import org.jetbrains.report.BenchmarkResult
-import org.jetbrains.report.Environment
-import org.jetbrains.report.Compiler
 import org.jetbrains.report.BenchmarksReport
+import org.jetbrains.report.Compiler
+import org.jetbrains.report.Environment
+import org.jetbrains.report.MeanVariance
+import org.jetbrains.report.MeanVarianceBenchmark
+import kotlin.math.abs
 
 typealias SummaryBenchmark = Pair<MeanVarianceBenchmark?, MeanVarianceBenchmark?>
 typealias BenchmarksTable = Map<String, MeanVarianceBenchmark>
@@ -29,12 +19,12 @@ typealias SummaryBenchmarksTable = Map<String, SummaryBenchmark>
 typealias ScoreChange = Pair<MeanVariance, MeanVariance>
 
 // Summary report with comparasion of separate benchmarks results.
-class SummaryBenchmarksReport (val currentReport: BenchmarksReport,
-                               val previousReport: BenchmarksReport? = null,
-                               val meaningfulChangesValue: Double = 0.5) {
+class SummaryBenchmarksReport(val currentReport: BenchmarksReport,
+                              val previousReport: BenchmarksReport? = null,
+                              val meaningfulChangesValue: Double = 0.5) {
     // Report created by joining comparing reports.
     val mergedReport: Map<String, SummaryBenchmark>
-    val benchmarksDurations: Map<String, Pair<Double?, Double?>>
+    private val benchmarksDurations: Map<String, Pair<Double?, Double?>>
 
     // Lists of benchmarks in different status.
     private val benchmarksWithChangedStatus = mutableListOf<FieldChange<BenchmarkResult.Status>>()
@@ -56,8 +46,8 @@ class SummaryBenchmarksReport (val currentReport: BenchmarksReport,
 
     // Countable properties.
     val failedBenchmarks: List<String>
-        get() = mergedReport.filter { it.value.first?.meanBenchmark?.status == BenchmarkResult.Status.FAILED }
-                            .map { it.key }
+        get() = mergedReport.filter { it.value.first?.status == BenchmarkResult.Status.FAILED }
+                .map { it.key }
 
     val addedBenchmarks: List<String>
         get() = mergedReport.filter { it.value.second == null }.map { it.key }
@@ -72,7 +62,7 @@ class SummaryBenchmarksReport (val currentReport: BenchmarksReport,
         get() = mergedReport.filter { it.value.first != null }.map { it.value.first!! }
 
     val currentBenchmarksDuration: Map<String, Double>
-        get() = benchmarksDurations.filter{ it.value.first != null }.map { it.key to it.value.first!! }.toMap()
+        get() = benchmarksDurations.filter { it.value.first != null }.map { it.key to it.value.first!! }.toMap()
 
     val maximumRegression: Double
         get() = getMaximumChange(regressions)
@@ -133,8 +123,15 @@ class SummaryBenchmarksReport (val currentReport: BenchmarksReport,
         }
     }
 
+    // Get benchmark report.
+    fun getBenchmarksReport(takeMainReport: Boolean = true) =
+            if (takeMainReport)
+                BenchmarksReport(environments.first, mergedReport.map { (_, value) -> value.first!! }, compilers.first)
+            else
+                BenchmarksReport(environments.second!!, mergedReport.map { (_, value) -> value.second!! }, compilers.second!!)
+
     fun getResultsByMetric(metric: BenchmarkResult.Metric, getGeoMean: Boolean = true, filter: List<String>? = null,
-                           normalizeData: Map<String, Map<String, Double>>? = null): List<Double>  {
+                           normalizeData: Map<String, Map<String, Double>>? = null): List<Double?> {
         val benchmarks = filter?.let {
             mergedReport.filter { entry ->
                 filter.find {
@@ -142,30 +139,26 @@ class SummaryBenchmarksReport (val currentReport: BenchmarksReport,
                 } != null
             }
         } ?: mergedReport
-        if (benchmarks.isEmpty()) {
-            error("There is no benchmarks from provided list")
-        }
-        val filteredBenchmarks = benchmarks.filter { entry -> entry.value.first!!.meanBenchmark.metric == metric }
-        if (filteredBenchmarks.isEmpty()) {
-            error("There is no benchmarks for metric $metric")
-        }
-        val results = filteredBenchmarks.map { entry ->
-            val score = entry.value.first!!.meanBenchmark.score
+        val results = benchmarks.map { entry ->
             val name = entry.key.removeSuffix(metric.suffix)
-            val value = normalizeData?.let {
-                it.get(name)?.get("$metric")?.let { score / it }
-                        ?: error("No normalization data for benchmark $name and metric $metric")
-            } ?: score
-            name to value }.toMap()
+            if (entry.value.first!!.metric == metric) {
+                val score = entry.value.first!!.score
+                val value = normalizeData?.let {
+                    it.get(name)?.get("$metric")?.let { score / it }
+                            ?: error("No normalization data for benchmark $name and metric $metric")
+                } ?: score
+                name to value
+            } else name to null
+        }.toMap()
         if (getGeoMean) {
-            return listOf(geometricMean(results.values))
+            return listOf(geometricMean(results.values.filterNotNull()))
         }
-        return filter?.let { it.map { results[it] ?: error("Benchmark $it for metric $metric doesn't exist.") }.toList() } ?: results.values.toList()
+        return filter?.let { it.map { results[it] }.toList() } ?: results.values.toList()
     }
 
     private fun getMaximumChange(bucket: Map<String, ScoreChange>): Double =
-        // Maps of regressions and improvements are sorted.
-        if (bucket.isEmpty()) 0.0 else bucket.values.map { it.first.mean }.first()
+            // Maps of regressions and improvements are sorted.
+            if (bucket.isEmpty()) 0.0 else bucket.values.map { it.first.mean }.first()
 
     private fun getGeometricMeanOfChanges(bucket: Map<String, ScoreChange>): Double {
         if (bucket.isEmpty())
@@ -185,11 +178,9 @@ class SummaryBenchmarksReport (val currentReport: BenchmarksReport,
     // Create geometric mean.
     private fun createGeoMeanBenchmark(benchTable: BenchmarksTable): MeanVarianceBenchmark {
         val geoMeanBenchmarkName = "Geometric mean"
-        val geoMean = geometricMean(benchTable.toList().map { (_, value) -> value.meanBenchmark.score })
-        val varianceGeoMean = geometricMean(benchTable.toList().map { (_, value) -> value.varianceBenchmark.score })
-        val meanBenchmark = BenchmarkResult(geoMeanBenchmarkName, geoMean)
-        val varianceBenchmark = BenchmarkResult(geoMeanBenchmarkName, varianceGeoMean)
-        return MeanVarianceBenchmark(meanBenchmark, varianceBenchmark)
+        val geoMean = geometricMean(benchTable.toList().map { (_, value) -> value.score })
+        val varianceGeoMean = geometricMean(benchTable.toList().map { (_, value) -> value.variance })
+        return MeanVarianceBenchmark(geoMeanBenchmarkName, geoMean, varianceGeoMean)
     }
 
     // Generate map with summary durations of each benchmark.
@@ -209,16 +200,15 @@ class SummaryBenchmarksReport (val currentReport: BenchmarksReport,
         val mergedTable = mutableMapOf<String, SummaryBenchmark>()
         mergedTable.apply {
             currentBenchmarks.forEach { (name, current) ->
-                val currentBenchmark = current.meanBenchmark
                 // Check existance of benchmark in previous results.
                 if (previousBenchmarks == null || name !in previousBenchmarks) {
                     getOrPut(name) { SummaryBenchmark(current, null) }
                 } else {
-                    val previousBenchmark = previousBenchmarks.getValue(name).meanBenchmark
+                    val previousBenchmark = previousBenchmarks.getValue(name)
                     getOrPut(name) { SummaryBenchmark(current, previousBenchmarks[name]) }
                     // Explore change of status.
-                    if (previousBenchmark.status != currentBenchmark.status) {
-                        val statusChange = FieldChange("$name", previousBenchmark.status, currentBenchmark.status)
+                    if (previousBenchmark.status != current.status) {
+                        val statusChange = FieldChange("$name", previousBenchmark.status, current.status)
                         benchmarksWithChangedStatus.add(statusChange)
                     }
                 }
@@ -240,7 +230,7 @@ class SummaryBenchmarksReport (val currentReport: BenchmarksReport,
             SummaryBenchmark {
         // Calculate geometric mean.
         val currentGeoMean = createGeoMeanBenchmark(currentBenchmarks)
-        val previousGeoMean = previousBenchmarks?. let { createGeoMeanBenchmark(previousBenchmarks) }
+        val previousGeoMean = previousBenchmarks?.let { createGeoMeanBenchmark(previousBenchmarks) }
         return SummaryBenchmark(currentGeoMean, previousGeoMean)
     }
 
@@ -261,7 +251,7 @@ class SummaryBenchmarksReport (val currentReport: BenchmarksReport,
 
     // Analyze and collect changes in performance between same becnhmarks.
     private fun analyzePerformanceChanges() {
-        val performanceChanges = mergedReport.asSequence().map {(name, element) ->
+        val performanceChanges = mergedReport.asSequence().map { (name, element) ->
             getBenchmarkPerfomanceChange(name, element)
         }.filterNotNull().groupBy {
             if (it.second.first.mean > 0) "regressions" else "improvements"
@@ -277,8 +267,8 @@ class SummaryBenchmarksReport (val currentReport: BenchmarksReport,
 
         // Calculate change for geometric mean.
         val (current, previous) = geoMeanBenchmark
-        geoMeanScoreChange = current?. let {
-            previous?. let {
+        geoMeanScoreChange = current?.let {
+            previous?.let {
                 Pair(current.calcPercentageDiff(previous), current.calcRatio(previous))
             }
         }
diff --git a/tools/benchmarks/shared/src/main/kotlin/analyzer/Utils.kt b/tools/benchmarks/shared/src/main/kotlin/analyzer/Utils.kt
new file mode 100644
index 00000000000..1f36fe6abc0
--- /dev/null
+++ b/tools/benchmarks/shared/src/main/kotlin/analyzer/Utils.kt
@@ -0,0 +1,13 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package org.jetbrains.analyzer
+
+expect fun readFile(fileName: String): String
+expect fun Double.format(decimalNumber: Int = 4): String
+expect fun writeToFile(fileName: String, text: String)
+expect fun assert(value: Boolean, lazyMessage: () -> Any)
+expect fun sendGetRequest(url: String, user: String? = null, password: String? = null,
+                          followLocation: Boolean = false) : String
\ No newline at end of file
diff --git a/tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/BenchmarksReport.kt b/tools/benchmarks/shared/src/main/kotlin/report/BenchmarksReport.kt
similarity index 63%
rename from tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/BenchmarksReport.kt
rename to tools/benchmarks/shared/src/main/kotlin/report/BenchmarksReport.kt
index 9c9e2eccb63..7448d89117b 100644
--- a/tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/BenchmarksReport.kt
+++ b/tools/benchmarks/shared/src/main/kotlin/report/BenchmarksReport.kt
@@ -1,26 +1,22 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
-
 package org.jetbrains.report
 
 import org.jetbrains.report.json.*
 
 interface JsonSerializable {
-    fun toJson(): String
+    fun serializeFields(): String
+
+    fun toJson(): String {
+        return """
+        {
+            ${serializeFields()}
+        }
+        """
+    }
 
     // Convert iterable objects arrays, lists to json.
     fun <T> arrayToJson(data: Iterable<T>): String {
@@ -30,51 +26,63 @@ interface JsonSerializable {
     }
 }
 
-interface EntityFromJsonFactory<T>: ConvertedFromJson {
+interface EntityFromJsonFactory<T> : ConvertedFromJson {
     fun create(data: JsonElement): T
 }
 
-// Class for benchcmarks report with all information of run.
-class BenchmarksReport(val env: Environment, benchmarksList: List<BenchmarkResult>, val compiler: Compiler):
+// Parse array with benchmarks to list
+fun parseBenchmarksArray(data: JsonElement): List<BenchmarkResult> {
+    if (data is JsonArray) {
+        return data.jsonArray.map {
+            if (MeanVarianceBenchmark.isMeanVarianceBenchmark(it))
+                MeanVarianceBenchmark.create(it as JsonObject)
+            else BenchmarkResult.create(it as JsonObject)
+        }
+    } else {
+        error("Benchmarks field is expected to be an array. Please, check origin files.")
+    }
+}
+
+// Class for benchmarks report with all information of run.
+open class BenchmarksReport(val env: Environment, benchmarksList: List<BenchmarkResult>, val compiler: Compiler) :
         JsonSerializable {
 
-    companion object: EntityFromJsonFactory<BenchmarksReport> {
+    companion object : EntityFromJsonFactory<BenchmarksReport> {
         override fun create(data: JsonElement): BenchmarksReport {
             if (data is JsonObject) {
                 val env = Environment.create(data.getRequiredField("env"))
                 val benchmarksObj = data.getRequiredField("benchmarks")
                 val compiler = Compiler.create(data.getRequiredField("kotlin"))
+                val buildNumberField = data.getOptionalField("buildNumber")
                 val benchmarksList = parseBenchmarksArray(benchmarksObj)
-                return BenchmarksReport(env, benchmarksList, compiler)
+                val report = BenchmarksReport(env, benchmarksList, compiler)
+                buildNumberField?.let { report.buildNumber = (it as JsonLiteral).unquoted() }
+                return report
             } else {
                 error("Top level entity is expected to be an object. Please, check origin files.")
             }
         }
 
-        // Parse array with benchmarks to list
-        fun parseBenchmarksArray(data: JsonElement): List<BenchmarkResult> {
-            if (data is JsonArray) {
-                return data.jsonArray.map { BenchmarkResult.create(it as JsonObject) }
-            } else {
-                error("Benchmarks field is expected to be an array. Please, check origin files.")
-            }
-        }
-
         // Made a map of becnhmarks with name as key from list.
         private fun structBenchmarks(benchmarksList: List<BenchmarkResult>) =
-                benchmarksList.groupBy{ it.name }
+                benchmarksList.groupBy { it.name }
     }
 
-    val benchmarks: Map<String, List<BenchmarkResult>> = structBenchmarks(benchmarksList)
+    val benchmarks = structBenchmarks(benchmarksList)
 
-    override fun toJson(): String {
+    var buildNumber: String? = null
+
+    override fun serializeFields(): String {
+        val buildNumberField = buildNumber?.let {
+            """,
+            "buildNumber": "$buildNumber"
+            """
+        } ?: ""
         return """
-        {
             "env": ${env.toJson()},
             "kotlin": ${compiler.toJson()},
-            "benchmarks": ${arrayToJson(benchmarks.flatMap{it.value})}
-        }
-        """
+            "benchmarks": ${arrayToJson(benchmarks.flatMap { it.value })}$buildNumberField
+        """.trimIndent()
     }
 
     fun merge(other: BenchmarksReport): BenchmarksReport {
@@ -85,27 +93,27 @@ class BenchmarksReport(val env: Environment, benchmarksList: List<BenchmarkResul
             }
         }
         mergedBenchmarks.putAll(other.benchmarks)
-        return BenchmarksReport(env, mergedBenchmarks.flatMap{it.value}, compiler)
+        return BenchmarksReport(env, mergedBenchmarks.flatMap { it.value }, compiler)
     }
 
     // Concatenate benchmarks report if they have same environment and compiler.
     operator fun plus(other: BenchmarksReport): BenchmarksReport {
         if (compiler != other.compiler || env != other.env) {
-            error ("It's impossible to concat reports from different machines!")
+            error("It's impossible to concat reports from different machines!")
         }
         return merge(other)
     }
 }
 
 // Class for kotlin compiler
-data class Compiler(val backend: Backend, val kotlinVersion: String): JsonSerializable {
+data class Compiler(val backend: Backend, val kotlinVersion: String) : JsonSerializable {
 
     enum class BackendType(val type: String) {
         JVM("jvm"),
         NATIVE("native")
     }
 
-    companion object: EntityFromJsonFactory<Compiler> {
+    companion object : EntityFromJsonFactory<Compiler> {
         override fun create(data: JsonElement): Compiler {
             if (data is JsonObject) {
                 val backend = Backend.create(data.getRequiredField("backend"))
@@ -121,13 +129,14 @@ data class Compiler(val backend: Backend, val kotlinVersion: String): JsonSerial
     }
 
     // Class for compiler backend
-    data class Backend(val type: BackendType, val version: String, val flags: List<String>): JsonSerializable {
-        companion object: EntityFromJsonFactory<Backend> {
+    data class Backend(val type: BackendType, val version: String, val flags: List<String>) : JsonSerializable {
+        companion object : EntityFromJsonFactory<Backend> {
             override fun create(data: JsonElement): Backend {
                 if (data is JsonObject) {
                     val typeElement = data.getRequiredField("type")
                     if (typeElement is JsonLiteral) {
-                        val type = backendTypeFromString(typeElement.unquoted()) ?: error("Backend type should be 'jvm' or 'native'")
+                        val type = backendTypeFromString(typeElement.unquoted())
+                                ?: error("Backend type should be 'jvm' or 'native'")
                         val version = elementToString(data.getRequiredField("version"), "version")
                         val flagsArray = data.getOptionalField("flags")
                         var flags: List<String> = emptyList()
@@ -144,40 +153,35 @@ data class Compiler(val backend: Backend, val kotlinVersion: String): JsonSerial
             }
         }
 
-        override fun toJson(): String {
+        override fun serializeFields(): String {
             val result = """
-            {
                 "type": "${type.type}",
                 "version": "${version}""""
             // Don't print flags field if there is no one.
             if (flags.isEmpty()) {
                 return """$result
-                }"""
-            }
-            else {
+                """
+            } else {
                 return """
                     $result,
-                "flags": ${arrayToJson(flags)}
-                }
+                "flags": ${arrayToJson(flags.map { if (it.startsWith("\"")) it else "\"$it\"" })}
                 """
             }
         }
     }
 
-    override fun toJson(): String {
+    override fun serializeFields(): String {
         return """
-        {
             "backend": ${backend.toJson()},
             "kotlinVersion": "${kotlinVersion}"
-        }
         """
     }
 }
 
 // Class for description of environment of benchmarks run
-data class Environment(val machine: Machine, val jdk: JDKInstance): JsonSerializable {
+data class Environment(val machine: Machine, val jdk: JDKInstance) : JsonSerializable {
 
-    companion object: EntityFromJsonFactory<Environment> {
+    companion object : EntityFromJsonFactory<Environment> {
         override fun create(data: JsonElement): Environment {
             if (data is JsonObject) {
                 val machine = Machine.create(data.getRequiredField("machine"))
@@ -191,8 +195,8 @@ data class Environment(val machine: Machine, val jdk: JDKInstance): JsonSerializ
     }
 
     // Class for description of machine used for benchmarks run.
-    data class Machine(val cpu: String, val os: String): JsonSerializable {
-        companion object: EntityFromJsonFactory<Machine> {
+    data class Machine(val cpu: String, val os: String) : JsonSerializable {
+        companion object : EntityFromJsonFactory<Machine> {
             override fun create(data: JsonElement): Machine {
                 if (data is JsonObject) {
                     val cpu = elementToString(data.getRequiredField("cpu"), "cpu")
@@ -205,19 +209,17 @@ data class Environment(val machine: Machine, val jdk: JDKInstance): JsonSerializ
             }
         }
 
-        override fun toJson(): String {
+        override fun serializeFields(): String {
             return """
-            {
                 "cpu": "$cpu",
                 "os": "$os"
-            }
             """
         }
     }
 
     // Class for description of jdk used for benchmarks run.
-    data class JDKInstance(val version: String, val vendor: String): JsonSerializable {
-        companion object: EntityFromJsonFactory<JDKInstance> {
+    data class JDKInstance(val version: String, val vendor: String) : JsonSerializable {
+        companion object : EntityFromJsonFactory<JDKInstance> {
             override fun create(data: JsonElement): JDKInstance {
                 if (data is JsonObject) {
                     val version = elementToString(data.getRequiredField("version"), "version")
@@ -230,47 +232,44 @@ data class Environment(val machine: Machine, val jdk: JDKInstance): JsonSerializ
             }
         }
 
-        override fun toJson(): String {
+        override fun serializeFields(): String {
             return """
-            {
                 "version": "$version",
                 "vendor": "$vendor"
-            }
             """
         }
     }
 
-    override fun toJson(): String {
+    override fun serializeFields(): String {
         return """
-            {
                 "machine": ${machine.toJson()},
                 "jdk": ${jdk.toJson()}
-            }
             """
     }
 }
 
-class BenchmarkResult(val name: String, val status: Status,
-                      val score: Double, val metric: Metric, val runtimeInUs: Double,
-                      val repeat: Int, val warmup: Int): JsonSerializable {
+open class BenchmarkResult(val name: String, val status: Status,
+                           val score: Double, val metric: Metric, val runtimeInUs: Double,
+                           val repeat: Int, val warmup: Int) : JsonSerializable {
 
     enum class Metric(val suffix: String, val value: String) {
         EXECUTION_TIME("", "EXECUTION_TIME"),
         CODE_SIZE(".codeSize", "CODE_SIZE"),
-        COMPILE_TIME(".compileTime", "COMPILE_TIME")
+        COMPILE_TIME(".compileTime", "COMPILE_TIME"),
+        BUNDLE_SIZE(".bundleSize", "BUNDLE_SIZE")
     }
 
     constructor(name: String, score: Double) : this(name, Status.PASSED, score, Metric.EXECUTION_TIME, 0.0, 0, 0)
 
-    companion object: EntityFromJsonFactory<BenchmarkResult> {
+    companion object : EntityFromJsonFactory<BenchmarkResult> {
 
         override fun create(data: JsonElement): BenchmarkResult {
             if (data is JsonObject) {
                 var name = elementToString(data.getRequiredField("name"), "name")
                 val metricElement = data.getOptionalField("metric")
                 val metric = if (metricElement != null && metricElement is JsonLiteral)
-                                metricFromString(metricElement.unquoted()) ?: Metric.EXECUTION_TIME
-                            else Metric.EXECUTION_TIME
+                    metricFromString(metricElement.unquoted()) ?: Metric.EXECUTION_TIME
+                else Metric.EXECUTION_TIME
                 name += metric.suffix
                 val statusElement = data.getRequiredField("status")
                 if (statusElement is JsonLiteral) {
@@ -300,9 +299,8 @@ class BenchmarkResult(val name: String, val status: Status,
         FAILED("FAILED")
     }
 
-    override fun toJson(): String {
+    override fun serializeFields(): String {
         return """
-        {
             "name": "${name.removeSuffix(metric.suffix)}",
             "status": "${status.value}",
             "score": ${score},
@@ -310,10 +308,44 @@ class BenchmarkResult(val name: String, val status: Status,
             "runtimeInUs": ${runtimeInUs},
             "repeat": ${repeat},
             "warmup": ${warmup}
-        }
         """
     }
 
     val shortName: String
         get() = name.removeSuffix(metric.suffix)
+}
+
+// Entity to describe avarage values which conssists of mean and variance values.
+data class MeanVariance(val mean: Double, val variance: Double)
+
+// Processed benchmark result with calculated mean and variance value.
+open class MeanVarianceBenchmark(name: String, status: BenchmarkResult.Status, score: Double, metric: BenchmarkResult.Metric,
+                                 runtimeInUs: Double, repeat: Int, warmup: Int, val variance: Double) :
+        BenchmarkResult(name, status, score, metric, runtimeInUs, repeat, warmup) {
+
+    constructor(name: String, score: Double, variance: Double) : this(name, BenchmarkResult.Status.PASSED, score,
+            BenchmarkResult.Metric.EXECUTION_TIME, 0.0, 0, 0, variance)
+
+    companion object : EntityFromJsonFactory<MeanVarianceBenchmark> {
+
+        fun isMeanVarianceBenchmark(data: JsonElement) = data is JsonObject && data.getOptionalField("variance") != null
+
+        override fun create(data: JsonElement): MeanVarianceBenchmark {
+            if (data is JsonObject) {
+                val baseBenchmark = BenchmarkResult.create(data)
+                val variance = elementToDouble(data.getRequiredField("variance"), "variance")
+                return MeanVarianceBenchmark(baseBenchmark.name, baseBenchmark.status, baseBenchmark.score, baseBenchmark.metric,
+                        baseBenchmark.runtimeInUs, baseBenchmark.repeat, baseBenchmark.warmup, variance)
+            } else {
+                error("Benchmark entity is expected to be an object. Please, check origin files.")
+            }
+        }
+    }
+
+    override fun serializeFields(): String {
+        return """
+            ${super.serializeFields()},
+            "variance": $variance
+            """
+    }
 }
\ No newline at end of file
diff --git a/tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/json/ConvertedFromJson.kt b/tools/benchmarks/shared/src/main/kotlin/report/json/ConvertedFromJson.kt
similarity index 100%
rename from tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/json/ConvertedFromJson.kt
rename to tools/benchmarks/shared/src/main/kotlin/report/json/ConvertedFromJson.kt
diff --git a/tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/json/JsonElement.kt b/tools/benchmarks/shared/src/main/kotlin/report/json/JsonElement.kt
similarity index 100%
rename from tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/json/JsonElement.kt
rename to tools/benchmarks/shared/src/main/kotlin/report/json/JsonElement.kt
diff --git a/tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/json/JsonExceptions.kt b/tools/benchmarks/shared/src/main/kotlin/report/json/JsonExceptions.kt
similarity index 100%
rename from tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/json/JsonExceptions.kt
rename to tools/benchmarks/shared/src/main/kotlin/report/json/JsonExceptions.kt
diff --git a/tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/json/JsonParser.kt b/tools/benchmarks/shared/src/main/kotlin/report/json/JsonParser.kt
similarity index 99%
rename from tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/json/JsonParser.kt
rename to tools/benchmarks/shared/src/main/kotlin/report/json/JsonParser.kt
index 1f2b13a483f..42f51e67083 100644
--- a/tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/json/JsonParser.kt
+++ b/tools/benchmarks/shared/src/main/kotlin/report/json/JsonParser.kt
@@ -121,10 +121,12 @@ internal class Parser(val source: String) {
             TC_BEGIN_LIST, TC_BEGIN_OBJ, TC_OTHER, TC_STRING, TC_NULL -> true
             else -> false
         }
+
+    @OptIn(ExperimentalStdlibApi::class)
     fun takeStr(): String {
         if (tc != TC_OTHER && tc != TC_STRING) fail(tokenPos, "Expected string or non-null literal")
         val prevStr = if (offset < 0)
-            String(buf, 0, length) else
+            buf.concatToString(0, length) else
             source.substring(offset, offset + length)
         nextToken()
         return prevStr
diff --git a/tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/json/JsonTreeParser.kt b/tools/benchmarks/shared/src/main/kotlin/report/json/JsonTreeParser.kt
similarity index 100%
rename from tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/json/JsonTreeParser.kt
rename to tools/benchmarks/shared/src/main/kotlin/report/json/JsonTreeParser.kt
diff --git a/tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/json/StringOps.kt b/tools/benchmarks/shared/src/main/kotlin/report/json/StringOps.kt
similarity index 100%
rename from tools/benchmarks/shared/src/main/kotlin/org/jetbrains/report/json/StringOps.kt
rename to tools/benchmarks/shared/src/main/kotlin/report/json/StringOps.kt
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin-js/org/jetbrains/analyzer/Utils.kt b/tools/benchmarksAnalyzer/src/main/kotlin-js/org/jetbrains/analyzer/Utils.kt
index 1e6fad63d76..996a676b1fd 100644
--- a/tools/benchmarksAnalyzer/src/main/kotlin-js/org/jetbrains/analyzer/Utils.kt
+++ b/tools/benchmarksAnalyzer/src/main/kotlin-js/org/jetbrains/analyzer/Utils.kt
@@ -1,17 +1,6 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
 package org.jetbrains.analyzer
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin-jvm/org/jetbrains/analyzer/Utils.kt b/tools/benchmarksAnalyzer/src/main/kotlin-jvm/org/jetbrains/analyzer/Utils.kt
index 0bf8b023a1a..6878ff341f0 100644
--- a/tools/benchmarksAnalyzer/src/main/kotlin-jvm/org/jetbrains/analyzer/Utils.kt
+++ b/tools/benchmarksAnalyzer/src/main/kotlin-jvm/org/jetbrains/analyzer/Utils.kt
@@ -1,17 +1,6 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
 package org.jetbrains.analyzer
@@ -29,7 +18,7 @@ actual fun readFile(fileName: String): String {
 }
 
 actual fun Double.format(decimalNumber: Int): String =
-    "%.${decimalNumber}f".format(this)
+        "%.${decimalNumber}f".format(this)
 
 actual fun writeToFile(fileName: String, text: String) {
     File(fileName).printWriter().use { out ->
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin-native/org/jetbrains/analyzer/Utils.kt b/tools/benchmarksAnalyzer/src/main/kotlin-native/org/jetbrains/analyzer/Utils.kt
index f5e4d72c0ad..7c32e581e7c 100644
--- a/tools/benchmarksAnalyzer/src/main/kotlin-native/org/jetbrains/analyzer/Utils.kt
+++ b/tools/benchmarksAnalyzer/src/main/kotlin-native/org/jetbrains/analyzer/Utils.kt
@@ -1,17 +1,6 @@
 /*
- * Copyright 2010-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
 package org.jetbrains.analyzer
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin/main.kt b/tools/benchmarksAnalyzer/src/main/kotlin/main.kt
index 7db7abfd088..0bfe5f6cf24 100644
--- a/tools/benchmarksAnalyzer/src/main/kotlin/main.kt
+++ b/tools/benchmarksAnalyzer/src/main/kotlin/main.kt
@@ -1,23 +1,12 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
-@file:OptIn(ExperimentalCli::class)
+
+import kotlinx.cli.*
 import org.jetbrains.analyzer.sendGetRequest
 import org.jetbrains.analyzer.readFile
 import org.jetbrains.analyzer.SummaryBenchmarksReport
-import kotlinx.cli.*
 import org.jetbrains.renders.*
 import org.jetbrains.report.*
 import org.jetbrains.report.json.*
@@ -56,7 +45,7 @@ object ArtifactoryConnector : Connector() {
     }
 }
 
-object TeamCityConnector: Connector() {
+object TeamCityConnector : Connector() {
     override val connectorPrefix = "teamcity:"
     val teamCityUrl = "http://buildserver.labs.intellij.net"
 
@@ -76,11 +65,28 @@ object TeamCityConnector: Connector() {
     }
 }
 
+object DBServerConnector : Connector() {
+    override val connectorPrefix = ""
+    val serverUrl = "https://kotlin-native-perf-summary.labs.jb.gg"
+
+    override fun getFileContent(fileLocation: String, user: String?): String {
+        val buildNumber = fileLocation.substringBefore(':')
+        val target = fileLocation.substringAfter(':')
+        if (target == buildNumber) {
+            error("To get file from database, please, specify, target and build number" +
+                    " in format target:build_number")
+        }
+        val accessFileUrl = "$serverUrl/report/$target/$buildNumber"
+        return sendGetRequest(accessFileUrl)
+    }
+}
+
 fun getFileContent(fileName: String, user: String? = null): String {
     return when {
         ArtifactoryConnector.isCompatible(fileName) -> ArtifactoryConnector.getFileContent(fileName, user)
         TeamCityConnector.isCompatible(fileName) -> TeamCityConnector.getFileContent(fileName, user)
-        else -> readFile(fileName)
+        fileName.endsWith(".json") -> readFile(fileName)
+        else -> DBServerConnector.getFileContent(fileName, user)
     }
 }
 
@@ -108,12 +114,16 @@ fun parseNormalizeResults(results: String): Map<String, Map<String, Double>> {
     return parsedNormalizeResults
 }
 
-fun mergeCompilerFlags(reports: List<BenchmarksReport>) =
-    reports.map {
+fun mergeCompilerFlags(reports: List<BenchmarksReport>): List<String> {
+    val flagsMap = mutableMapOf<String, MutableList<String>>()
+    reports.forEach {
         val benchmarks = it.benchmarks.values.flatten().asSequence().filter { it.metric == BenchmarkResult.Metric.COMPILE_TIME }
-                .map { it.shortName }.distinct().sorted().joinToString()
-        "${it.compiler.backend.flags.joinToString()} for [$benchmarks]"
+                .map { it.shortName }.toList()
+        if (benchmarks.isNotEmpty())
+            (flagsMap.getOrPut("${it.compiler.backend.flags.joinToString()}") { mutableListOf<String>() }).addAll(benchmarks)
     }
+    return flagsMap.map { (flags, benchmarks) -> "$flags for [${benchmarks.distinct().sorted().joinToString()}]" }
+}
 
 fun mergeReportsWithDetailedFlags(reports: List<BenchmarksReport>) =
         if (reports.size > 1) {
@@ -129,75 +139,9 @@ fun mergeReportsWithDetailedFlags(reports: List<BenchmarksReport>) =
         }
 
 fun main(args: Array<String>) {
-    class Summary: Subcommand("summary", "Output summary information") {
-        val exec by option(ArgType.Choice(listOf("samples", "geomean")),
-                description = "Execution time way of calculation").default("geomean")
-        val execSamples by option(ArgType.String, "exec-samples",
-                description = "Samples used for execution time metric (value 'all' allows use all samples)")
-                .delimiter(",")
-        val execNormalize by option(ArgType.String, "exec-normalize",
-                description = "File with golden results which should be used for normalization")
-        val compile by option(ArgType.Choice(listOf("samples", "geomean")),
-                description = "Compile time way of calculation").default("geomean")
-        val compileSamples by option(ArgType.String, "compile-samples",
-                description = "Samples used for compile time metric (value 'all' allows use all samples)")
-                .delimiter(",")
-        val compileNormalize by option(ArgType.String, "compile-normalize",
-                description = "File with golden results which should be used for normalization")
-        val codesize by option(ArgType.Choice(listOf("samples", "geomean")),
-                description = "Code size way of calculation").default("geomean")
-        val codesizeSamples by option(ArgType.String, "codesize-samples",
-                description = "Samples used for code size metric (value 'all' allows use all samples)").delimiter(",")
-        val codesizeNormalize by option(ArgType.String, "codesize-normalize",
-                description = "File with golden results which should be used for normalization")
-        val user by option(ArgType.String, shortName = "u", description = "User access information for authorization")
-        val mainReport by argument(ArgType.String, description = "Main report for analysis")
-
-        override fun execute() {
-            val reportsList = getBenchmarkReport(mainReport, user)
-            val report = reportsList.reduce { result, it ->
-                result.merge(it)
-            }
-            val benchsReport = SummaryBenchmarksReport(report)
-            val results = mutableListOf<String>()
-            val executionNormalize = execNormalize?.let {
-                parseNormalizeResults(getFileContent(it))
-            }
-            val compileNormalize = compileNormalize?.let {
-                parseNormalizeResults(getFileContent(it))
-            }
-            val codesizeNormalize = codesizeNormalize?.let {
-                parseNormalizeResults(getFileContent(it))
-            }
-
-            results.apply {
-                add(benchsReport.failedBenchmarks.size.toString())
-                if (!execSamples.isEmpty()) {
-                    val filterExec = if (execSamples.first() == "all") null else execSamples
-                    add(benchsReport.getResultsByMetric(BenchmarkResult.Metric.EXECUTION_TIME,
-                            exec == "geomean", filterExec, executionNormalize).joinToString(";"))
-                }
-
-                if (!compileSamples.isEmpty()) {
-                    val filterCompile = if (compileSamples.first() == "all") null else compileSamples
-                    add(benchsReport.getResultsByMetric(BenchmarkResult.Metric.COMPILE_TIME,
-                            compile == "geomean", filterCompile, compileNormalize).joinToString(";"))
-                }
-
-                if (!codesizeSamples.isEmpty()) {
-                    val filterCodesize = if (codesizeSamples.first() == "all") null else codesizeSamples
-                    add(benchsReport.getResultsByMetric(BenchmarkResult.Metric.CODE_SIZE,
-                            codesize == "geomean", filterCodesize, codesizeNormalize).joinToString(";"))
-                }
-
-            }
-            println(results.joinToString())
-        }
-    }
-    val action = Summary()
     // Parse args.
     val argParser = ArgParser("benchmarksAnalyzer")
-    argParser.subcommands(action)
+
     val mainReport by argParser.argument(ArgType.String, description = "Main report for analysis")
     val compareToReport by argParser.argument(ArgType.String, description = "Report to compare to").optional()
 
@@ -207,26 +151,25 @@ fun main(args: Array<String>) {
     val useShortForm by argParser.option(ArgType.Boolean, "short", "s",
             "Show short version of report").default(false)
     val renders by argParser.option(ArgType.Choice(listOf("text", "html", "teamcity", "statistics", "metrics")),
-        shortName = "r", description = "Renders for showing information").multiple().default(listOf("text"))
+            shortName = "r", description = "Renders for showing information").multiple().default(listOf("text"))
     val user by argParser.option(ArgType.String, shortName = "u", description = "User access information for authorization")
 
-    if (argParser.parse(args).commandName == "benchmarksAnalyzer") {
-        // Read contents of file.
-        val mainBenchsReport = mergeReportsWithDetailedFlags(getBenchmarkReport(mainReport, user))
+    argParser.parse(args)
+    // Read contents of file.
+    val mainBenchsReport = mergeReportsWithDetailedFlags(getBenchmarkReport(mainReport, user))
 
-        var compareToBenchsReport = compareToReport?.let {
-            mergeReportsWithDetailedFlags(getBenchmarkReport(it, user))
-        }
+    var compareToBenchsReport = compareToReport?.let {
+        mergeReportsWithDetailedFlags(getBenchmarkReport(it, user))
+    }
 
-        // Generate comparasion report.
-        val summaryReport = SummaryBenchmarksReport(mainBenchsReport,
-                compareToBenchsReport,
-                epsValue)
+    // Generate comparasion report.
+    val summaryReport = SummaryBenchmarksReport(mainBenchsReport,
+            compareToBenchsReport,
+            epsValue)
 
-        var outputFile = output
-        renders.forEach {
-            Render.getRenderByName(it).print(summaryReport, useShortForm, outputFile)
-            outputFile = null
-        }
+    var outputFile = output
+    renders.forEach {
+        Render.getRenderByName(it).print(summaryReport, useShortForm, outputFile)
+        outputFile = null
     }
 }
\ No newline at end of file
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/analyzer/Statistics.kt b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/analyzer/Statistics.kt
deleted file mode 100644
index 2ee516a44b7..00000000000
--- a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/analyzer/Statistics.kt
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-package org.jetbrains.analyzer
-import org.jetbrains.report.BenchmarkResult
-import kotlin.math.abs
-import kotlin.math.max
-import kotlin.math.min
-import kotlin.math.pow
-import kotlin.math.sqrt
-
-// Entity to describe avarage values which conssists of mean and variance values.
-data class MeanVariance(val mean: Double, val variance: Double) {
-    override fun toString(): String {
-        val format = { number: Double -> number.format(2)}
-        return "${format(mean)} ± ${format(variance)}"
-    }
-}
-
-// Composite benchmark which descibes avarage result for several runs and contains mean and variance value.
-data class MeanVarianceBenchmark(val meanBenchmark: BenchmarkResult, val varianceBenchmark: BenchmarkResult) {
-
-    // Calculate difference in percentage compare to another.
-    fun calcPercentageDiff(other: MeanVarianceBenchmark): MeanVariance {
-        assert(other.meanBenchmark.score >= 0 &&
-                other.varianceBenchmark.score >= 0 &&
-                other.meanBenchmark.score - other.varianceBenchmark.score != 0.0,
-                { "Mean and variance should be positive and not equal!" })
-        val exactMean = (meanBenchmark.score - other.meanBenchmark.score) / other.meanBenchmark.score
-        // Analyze intervals. Calculate difference between border points.
-        val (bigValue, smallValue) = if (meanBenchmark.score > other.meanBenchmark.score) Pair(this, other) else Pair(other, this)
-        val bigValueIntervalStart = bigValue.meanBenchmark.score - bigValue.varianceBenchmark.score
-        val bigValueIntervalEnd = bigValue.meanBenchmark.score + bigValue.varianceBenchmark.score
-        val smallValueIntervalStart = smallValue.meanBenchmark.score - smallValue.varianceBenchmark.score
-        val smallValueIntervalEnd = smallValue.meanBenchmark.score + smallValue.varianceBenchmark.score
-        if (smallValueIntervalEnd > bigValueIntervalStart) {
-            // Interval intersect.
-            return MeanVariance(0.0, 0.0)
-        }
-        val mean = ((smallValueIntervalEnd - bigValueIntervalStart) / bigValueIntervalStart) *
-                (if (meanBenchmark.score > other.meanBenchmark.score) -1 else 1)
-
-        val maxValueChange = ((bigValueIntervalEnd - smallValueIntervalEnd) / bigValueIntervalEnd)
-        val minValueChange =  ((bigValueIntervalStart - smallValueIntervalStart) / bigValueIntervalStart)
-        val variance = abs(abs(mean) - max(minValueChange, maxValueChange))
-        return MeanVariance(mean * 100, variance * 100)
-    }
-
-    // Calculate ratio value compare to another.
-    fun calcRatio(other: MeanVarianceBenchmark): MeanVariance {
-        assert(other.meanBenchmark.score >= 0 &&
-                other.varianceBenchmark.score >= 0 &&
-                other.meanBenchmark.score - other.varianceBenchmark.score != 0.0,
-                { "Mean and variance should be positive and not equal!" })
-        val mean = meanBenchmark.score / other.meanBenchmark.score
-        val minRatio = (meanBenchmark.score - varianceBenchmark.score) / (other.meanBenchmark.score + other.varianceBenchmark.score)
-        val maxRatio = (meanBenchmark.score + varianceBenchmark.score) / (other.meanBenchmark.score - other.varianceBenchmark.score)
-        val ratioConfInt = min(abs(minRatio - mean), abs(maxRatio - mean))
-        return MeanVariance(mean, ratioConfInt)
-    }
-
-    override fun toString(): String =
-        "${meanBenchmark.score.format()} ± ${varianceBenchmark.score.format()}"
-
-}
-
-fun geometricMean(values: Collection<Double>, totalNumber: Int = values.size) =
-    with(values.asSequence().filter { it != 0.0 }) {
-        if (count() == 0) {
-            0.0
-        } else {
-            map { it.pow(1.0 / totalNumber) }.reduce { a, b -> a * b }
-        }
-    }
-
-fun computeMeanVariance(samples: List<Double>): MeanVariance {
-    val zStar = 1.67    // Critical point for 90% confidence of normal distribution.
-    val mean = samples.sum() / samples.size
-    val variance = samples.indices.sumByDouble { (samples[it] - mean) * (samples[it] - mean) } / samples.size
-    val confidenceInterval = sqrt(variance / samples.size) * zStar
-    return MeanVariance(mean, confidenceInterval)
-}
-
-// Calculate avarage results for bencmarks (each becnhmark can be run several times).
-fun collectMeanResults(benchmarks: Map<String, List<BenchmarkResult>>): BenchmarksTable {
-    return benchmarks.map {(name, resultsSet) ->
-        val repeatedSequence = IntArray(resultsSet.size)
-        var metric = BenchmarkResult.Metric.EXECUTION_TIME
-        var currentStatus = BenchmarkResult.Status.PASSED
-        var currentWarmup = -1
-
-        // Collect common becnhmark values and check them.
-        resultsSet.forEachIndexed { index, result ->
-            // If there was at least one failure, summary is marked as failure.
-            if (result.status == BenchmarkResult.Status.FAILED) {
-                currentStatus = result.status
-            }
-            repeatedSequence[index] = result.repeat
-            if (currentWarmup != -1)
-                if (result.warmup != currentWarmup)
-                    println("Check data consistency. Warmup value for benchmark '${result.name}' differs.")
-            currentWarmup = result.warmup
-            metric = result.metric
-        }
-
-        repeatedSequence.sort()
-        // Check if there are missed loop during running benchmarks.
-        repeatedSequence.forEachIndexed { index, element ->
-            if (index != 0)
-                if ((element - repeatedSequence[index - 1]) != 1)
-                    println("Check data consistency. For benchmark '$name' there is no run" +
-                            " between ${repeatedSequence[index - 1]} and $element.")
-        }
-
-        // Create mean and variance benchmarks result.
-        val scoreMeanVariance = computeMeanVariance(resultsSet.map { it.score })
-        val runtimeInUsMeanVariance = computeMeanVariance(resultsSet.map { it.runtimeInUs })
-        val meanBenchmark = BenchmarkResult(name, currentStatus, scoreMeanVariance.mean, metric,
-                runtimeInUsMeanVariance.mean, repeatedSequence[resultsSet.size - 1],
-                currentWarmup)
-        val varianceBenchmark = BenchmarkResult(name, currentStatus, scoreMeanVariance.variance, metric,
-                runtimeInUsMeanVariance.variance, repeatedSequence[resultsSet.size - 1],
-                currentWarmup)
-        name to MeanVarianceBenchmark(meanBenchmark, varianceBenchmark)
-    }.toMap()
-}
-
-fun collectBenchmarksDurations(benchmarks: Map<String, List<BenchmarkResult>>): Map<String, Double> =
-        benchmarks.map { (name, resultsSet) ->
-            name to resultsSet.sumByDouble { it.runtimeInUs }
-        }.toMap()
\ No newline at end of file
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/analyzer/Utils.kt b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/analyzer/Utils.kt
deleted file mode 100644
index dc21d68c94d..00000000000
--- a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/analyzer/Utils.kt
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.jetbrains.analyzer
-
-expect fun readFile(fileName: String): String
-expect fun Double.format(decimalNumber: Int = 4): String
-expect fun writeToFile(fileName: String, text: String)
-expect fun assert(value: Boolean, lazyMessage: () -> Any)
-expect fun sendGetRequest(url: String, user: String? = null, password: String? = null,
-                          followLocation: Boolean = false) : String
\ No newline at end of file
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/HTMLRender.kt b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/HTMLRender.kt
index 9874913eeab..d9423e3fc7d 100644
--- a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/HTMLRender.kt
+++ b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/HTMLRender.kt
@@ -1,20 +1,8 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
-
 package org.jetbrains.renders
 
 import org.jetbrains.analyzer.*
@@ -556,7 +544,7 @@ class HTMLRender: Render() {
                                                    bucket: Map<String, ScoreChange>? = null, rowStyle: String? = null) {
         if (bucket != null && !bucket.isEmpty()) {
             // Find max ratio.
-            val maxRatio = bucket.values.map { it.second.mean }.max()!!
+            val maxRatio = bucket.values.map { it.second.mean }.maxOrNull()!!
             // There are changes in performance.
             // Output changed benchmarks.
             for ((name, change) in bucket) {
@@ -565,19 +553,19 @@ class HTMLRender: Render() {
                         attributes["style"] = rowStyle
                     }
                     th { +name }
-                    td { +"${fullSet.getValue(name).first}" }
-                    td { +"${fullSet.getValue(name).second}" }
+                    td { +"${fullSet.getValue(name).first?.description}" }
+                    td { +"${fullSet.getValue(name).second?.description}" }
                     td {
                         attributes["bgcolor"] = ColoredCell(if (bucket.values.first().first.mean == 0.0) null
                             else change.first.mean / abs(bucket.values.first().first.mean))
                                 .backgroundStyle
-                        +"${change.first.toString() + " %"}"
+                        +"${change.first.description + " %"}"
                     }
                     td {
                         val scaledRatio = if (maxRatio == 0.0) null else change.second.mean / maxRatio
                         attributes["bgcolor"] = ColoredCell(scaledRatio,
                                 borderPositive = { cellValue -> cellValue > 1.0 / maxRatio }).backgroundStyle
-                        +"${change.second}"
+                        +"${change.second.description}"
                     }
                 }
             }
@@ -587,8 +575,8 @@ class HTMLRender: Render() {
             for ((name, value) in fullSet) {
                 tr {
                     th { +name }
-                    td { +"${value.first?.toString() ?: placeholder}" }
-                    td { +"${value.second?.toString() ?: placeholder}" }
+                    td { +"${value.first?.description ?: placeholder}" }
+                    td { +"${value.second?.description ?: placeholder}" }
                     td { +placeholder }
                     td { +placeholder }
                 }
@@ -619,11 +607,11 @@ class HTMLRender: Render() {
                 }
             }
             val geoMeanChangeMap = report.geoMeanScoreChange?.
-                    let { mapOf(report.geoMeanBenchmark.first!!.meanBenchmark.name to report.geoMeanScoreChange!!) }
+                    let { mapOf(report.geoMeanBenchmark.first!!.name to report.geoMeanScoreChange!!) }
 
             tbody {
                 renderBenchmarksDetails(
-                        mutableMapOf(report.geoMeanBenchmark.first!!.meanBenchmark.name to report.geoMeanBenchmark),
+                        mutableMapOf(report.geoMeanBenchmark.first!!.name to report.geoMeanBenchmark),
                         geoMeanChangeMap, "border-bottom: 2.3pt solid black; border-top: 2.3pt solid black")
                 renderBenchmarksDetails(report.mergedReport, report.regressions)
                 renderBenchmarksDetails(report.mergedReport, report.improvements)
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/JsonResultsRender.kt b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/JsonResultsRender.kt
new file mode 100644
index 00000000000..60c47b2a5a1
--- /dev/null
+++ b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/JsonResultsRender.kt
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package org.jetbrains.renders
+
+import org.jetbrains.analyzer.*
+import org.jetbrains.report.*
+
+// Report render to text format.
+class JsonResultsRender: Render() {
+    override val name: String
+        get() = "json"
+
+    override fun render(report: SummaryBenchmarksReport, onlyChanges: Boolean) =
+            report.getBenchmarksReport().toJson()
+}
\ No newline at end of file
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/MetricResultsRender.kt b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/MetricResultsRender.kt
index a0f8b4620cf..bab962287c6 100644
--- a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/MetricResultsRender.kt
+++ b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/MetricResultsRender.kt
@@ -1,20 +1,8 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
-
 package org.jetbrains.renders
 
 import org.jetbrains.analyzer.*
@@ -28,10 +16,10 @@ class MetricResultsRender: Render() {
     override fun render(report: SummaryBenchmarksReport, onlyChanges: Boolean): String {
         val results = report.mergedReport.map { entry ->
             buildString {
-                val metric = entry.value.first!!.meanBenchmark.metric
+                val metric = entry.value.first!!.metric
                 append("{ \"benchmarkName\": \"${entry.key.removeSuffix(metric.suffix)}\",")
                 append("\"metric\": \"${metric}\",")
-                append("\"value\": \"${entry.value.first!!.meanBenchmark.score}\" }")
+                append("\"value\": \"${entry.value.first!!.score}\" }")
             }
         }.joinToString(", ")
         return "[ $results ]"
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/Render.kt b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/Render.kt
index 6d02346eda1..1342f8bc52e 100644
--- a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/Render.kt
+++ b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/Render.kt
@@ -1,24 +1,12 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
-
 package org.jetbrains.renders
 
 import org.jetbrains.analyzer.*
-import org.jetbrains.report.BenchmarkResult
+import org.jetbrains.report.*
 
 import kotlin.math.abs
 
@@ -150,23 +138,23 @@ class TextRender: Render() {
 
     private fun printBenchmarksDetails(fullSet: Map<String, SummaryBenchmark>,
                                        bucket: Map<String, ScoreChange>? = null) {
+        val placeholder = "-"
         if (bucket != null) {
             // There are changes in performance.
             // Output changed benchmarks.
             for ((name, change) in bucket) {
                 append(formatColumn(name, true) +
-                        formatColumn(fullSet.getValue(name).first.toString()) +
-                        formatColumn(fullSet.getValue(name).second.toString()) +
-                        formatColumn(change.first.toString() + " %") +
-                        formatColumn(change.second.toString()))
+                        formatColumn(fullSet.getValue(name).first?.description ?: placeholder) +
+                        formatColumn(fullSet.getValue(name).second?.description ?: placeholder) +
+                        formatColumn(change.first.description + " %") +
+                        formatColumn(change.second.description))
             }
         } else {
             // Output all values without performance changes.
-            val placeholder = "-"
             for ((name, value) in fullSet) {
                 append(formatColumn(name, true) +
-                        formatColumn(value.first?.toString() ?: placeholder) +
-                        formatColumn(value.second?.toString() ?: placeholder) +
+                        formatColumn(value.first?.description ?: placeholder) +
+                        formatColumn(value.second?.description ?: placeholder) +
                         formatColumn(placeholder) +
                         formatColumn(placeholder))
             }
@@ -201,9 +189,9 @@ class TextRender: Render() {
         val tableWidth = printPerformanceTableHeader()
         // Print geometric mean.
         val geoMeanChangeMap = report.geoMeanScoreChange?.
-                let { mapOf(report.geoMeanBenchmark.first!!.meanBenchmark.name to report.geoMeanScoreChange!!) }
+                let { mapOf(report.geoMeanBenchmark.first!!.name to report.geoMeanScoreChange!!) }
         printBenchmarksDetails(
-                mutableMapOf(report.geoMeanBenchmark.first!!.meanBenchmark.name to report.geoMeanBenchmark),
+                mutableMapOf(report.geoMeanBenchmark.first!!.name to report.geoMeanBenchmark),
                 geoMeanChangeMap)
         printTableLineSeparator(tableWidth)
         printBenchmarksDetails(report.mergedReport, report.regressions)
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/StatisticsRender.kt b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/StatisticsRender.kt
index a4a73252b56..abccbb5808c 100644
--- a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/StatisticsRender.kt
+++ b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/StatisticsRender.kt
@@ -1,20 +1,8 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
-
 package org.jetbrains.renders
 
 import org.jetbrains.analyzer.*
diff --git a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/TeamCityStatisticsRender.kt b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/TeamCityStatisticsRender.kt
index d6f343002dc..548a421a65d 100644
--- a/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/TeamCityStatisticsRender.kt
+++ b/tools/benchmarksAnalyzer/src/main/kotlin/org/jetbrains/renders/TeamCityStatisticsRender.kt
@@ -1,24 +1,13 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
-
 package org.jetbrains.renders
 
 import org.jetbrains.analyzer.*
 import org.jetbrains.report.BenchmarkResult
+import org.jetbrains.report.MeanVarianceBenchmark
 
 // Report render to text format.
 class TeamCityStatisticsRender: Render() {
@@ -34,9 +23,8 @@ class TeamCityStatisticsRender: Render() {
 
         // For current benchmarks print score as TeamCity Test Metadata
         report.currentMeanVarianceBenchmarks.forEach { benchmark ->
-            renderBenchmark(benchmark.meanBenchmark, currentDurations[benchmark.meanBenchmark.name]!!)
-            renderSummaryBecnhmarkValue(benchmark.meanBenchmark, "Mean")
-            renderSummaryBecnhmarkValue(benchmark.varianceBenchmark, "Variance")
+            renderBenchmark(benchmark, currentDurations[benchmark.name]!!)
+            renderSummaryBecnhmarkValue(benchmark)
         }
         content.append("##teamcity[testSuiteFinished name='Benchmarks']\n")
 
@@ -46,9 +34,12 @@ class TeamCityStatisticsRender: Render() {
         return content.toString()
     }
 
-    private fun renderSummaryBecnhmarkValue(benchmark: BenchmarkResult, metric: String) =
-            content.append("##teamcity[testMetadata testName='${benchmark.name}' name='$metric'" +
-                    " type='number' value='${benchmark.score}']\n")
+    private fun renderSummaryBecnhmarkValue(benchmark: MeanVarianceBenchmark) {
+        content.append("##teamcity[testMetadata testName='${benchmark.name}' name='Mean'" +
+                " type='number' value='${benchmark.score}']\n")
+        content.append("##teamcity[testMetadata testName='${benchmark.name}' name='Variance'" +
+                " type='number' value='${benchmark.variance}']\n")
+    }
 
     // Produce benchmark as test in TeamCity
     private fun renderBenchmark(benchmark: BenchmarkResult , duration: Double) {
@@ -61,7 +52,7 @@ class TeamCityStatisticsRender: Render() {
     }
 
     private fun renderGeometricMean(geoMeanBenchmark: MeanVarianceBenchmark) {
-        content.append("##teamcity[buildStatisticValue key='Geometric mean' value='${geoMeanBenchmark.meanBenchmark.score}']\n")
-        content.append("##teamcity[buildStatisticValue key='Geometric mean variance' value='${geoMeanBenchmark.varianceBenchmark.score}']\n")
+        content.append("##teamcity[buildStatisticValue key='Geometric mean' value='${geoMeanBenchmark.score}']\n")
+        content.append("##teamcity[buildStatisticValue key='Geometric mean variance' value='${geoMeanBenchmark.variance}']\n")
     }
 }
\ No newline at end of file
diff --git a/tools/benchmarksAnalyzer/src/tests/AnalyzerTests.kt b/tools/benchmarksAnalyzer/src/tests/AnalyzerTests.kt
index aaa07ca9af6..506244686af 100644
--- a/tools/benchmarksAnalyzer/src/tests/AnalyzerTests.kt
+++ b/tools/benchmarksAnalyzer/src/tests/AnalyzerTests.kt
@@ -1,37 +1,21 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
-
 package org.jetbrains.analyzer
 
 import kotlin.test.*
 import kotlin.math.abs
 import org.jetbrains.report.BenchmarkResult
+import org.jetbrains.report.MeanVarianceBenchmark
 
 class AnalyzerTests {
     private val eps = 0.000001
 
     private fun createMeanVarianceBenchmarks(): Pair<MeanVarianceBenchmark, MeanVarianceBenchmark> {
-        val firstMean = BenchmarkResult("testBenchmark", BenchmarkResult.Status.PASSED, 9.0, BenchmarkResult.Metric.EXECUTION_TIME, 9.0, 10, 10)
-        val firstVariance = BenchmarkResult("testBenchmark", BenchmarkResult.Status.PASSED, 0.0001, BenchmarkResult.Metric.EXECUTION_TIME, 0.0001, 10, 10)
-        val first = MeanVarianceBenchmark(firstMean, firstVariance)
-
-        val secondMean = BenchmarkResult("testBenchmark", BenchmarkResult.Status.PASSED, 10.0, BenchmarkResult.Metric.EXECUTION_TIME, 10.0, 10, 10)
-        val secondVariance = BenchmarkResult("testBenchmark", BenchmarkResult.Status.PASSED, 0.0001, BenchmarkResult.Metric.EXECUTION_TIME, 0.0001, 10, 10)
-        val second = MeanVarianceBenchmark(secondMean, secondVariance)
+        val first = MeanVarianceBenchmark("testBenchmark", BenchmarkResult.Status.PASSED, 9.0, BenchmarkResult.Metric.EXECUTION_TIME, 9.0, 10, 10, 0.0001)
+        val second = MeanVarianceBenchmark("testBenchmark", BenchmarkResult.Status.PASSED, 10.0, BenchmarkResult.Metric.EXECUTION_TIME, 10.0, 10, 10, 0.0001)
 
         return Pair(first, second)
     }
diff --git a/tools/performance-server/build.gradle b/tools/performance-server/build.gradle
index 4648999932c..a6d0020106e 100644
--- a/tools/performance-server/build.gradle
+++ b/tools/performance-server/build.gradle
@@ -18,6 +18,8 @@ buildscript {
     }
 }
 
+apply plugin: 'kotlin-multiplatform'
+
 repositories {
     maven {
         url 'https://cache-redirector.jetbrains.com/jcenter'
@@ -30,22 +32,33 @@ repositories {
     }
 }
 
-apply plugin: 'kotlin2js'
+kotlin {
+    sourceSets {
+        commonMain {
+            dependencies {
+                implementation "org.jetbrains.kotlin:kotlin-stdlib-common:$kotlinVersion"
+            }
+            kotlin.srcDir '../benchmarks/shared/src'
+        }
+        jsMain {
+            dependencies {
+                implementation "org.jetbrains.kotlin:kotlin-stdlib-js:$kotlinVersion"
+                implementation(npm("aws-sdk", "~2.670.0"))
+            }
+            kotlin.srcDir 'src/main/kotlin'
+            kotlin.srcDir 'src/main/kotlin-js'
+            kotlin.srcDir 'shared/src/main/kotlin'
+        }
+    }
 
-dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib-js:$kotlinVersion"
-}
-
-
-sourceSets {
-    main.resources.srcDirs += "resources"
-    main.kotlin.srcDirs += "src"
-    main.kotlin.srcDirs += "../benchmarks/shared/src"
-    main.kotlin.srcDirs += "shared/src"
-}
-
-compileKotlin2Js {
-    kotlinOptions.outputFile = "${projectDir}/server/app.js"
-    kotlinOptions.moduleKind = "commonjs"
-    kotlinOptions.sourceMap = true
+    targets {
+        fromPreset(presets.js, 'js') {
+            nodejs()
+            compilations.main.kotlinOptions {
+                outputFile = "${projectDir}/server/app.js"
+                moduleKind = "commonjs"
+                sourceMap = true
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/tools/performance-server/gradle/wrapper/gradle-wrapper.jar b/tools/performance-server/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 00000000000..f3d88b1c2fa
Binary files /dev/null and b/tools/performance-server/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/tools/performance-server/gradle/wrapper/gradle-wrapper.properties b/tools/performance-server/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 00000000000..1b16c34a71c
--- /dev/null
+++ b/tools/performance-server/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/tools/performance-server/gradlew b/tools/performance-server/gradlew
new file mode 100755
index 00000000000..2fe81a7d95e
--- /dev/null
+++ b/tools/performance-server/gradlew
@@ -0,0 +1,183 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/tools/performance-server/gradlew.bat b/tools/performance-server/gradlew.bat
new file mode 100644
index 00000000000..24467a141f7
--- /dev/null
+++ b/tools/performance-server/gradlew.bat
@@ -0,0 +1,100 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/tools/performance-server/package-lock.json b/tools/performance-server/package-lock.json
index aad66f40392..a7adb37e4a5 100644
--- a/tools/performance-server/package-lock.json
+++ b/tools/performance-server/package-lock.json
@@ -4,32 +4,6 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "@types/concat-stream": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/@types/concat-stream/-/concat-stream-1.6.0.tgz",
-      "integrity": "sha1-OU2+C7X+5Gs42JZzXoto7yOQ0A0=",
-      "requires": {
-        "@types/node": "*"
-      }
-    },
-    "@types/form-data": {
-      "version": "0.0.33",
-      "resolved": "https://registry.npmjs.org/@types/form-data/-/form-data-0.0.33.tgz",
-      "integrity": "sha1-yayFsqX9GENbjIXZ7LUObWyJP/g=",
-      "requires": {
-        "@types/node": "*"
-      }
-    },
-    "@types/node": {
-      "version": "9.6.44",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-9.6.44.tgz",
-      "integrity": "sha512-hR+jK4kSOX+u5aQ6Zj6az5N4l1AeXH37/sOenbgxJvkO450C5qQL4/1twdufIMLC3o3hNfJNrPfQn0ivMdKfPg=="
-    },
-    "@types/qs": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.5.2.tgz",
-      "integrity": "sha512-47kAAs3yV/hROraCTQYDMh4p/6zI9+gtssjD0kq9OWsGdLcBge59rl49FnCuJ+iWxEKiqFz6KXzeGH5DRVjNJA=="
-    },
     "accepts": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
@@ -44,15 +18,26 @@
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
-    "asap": {
-      "version": "2.0.6",
-      "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
-      "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
+    "aws-sdk": {
+      "version": "2.670.0",
+      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.670.0.tgz",
+      "integrity": "sha512-hGRnZtp1wDUh6hZRBHO0Ki7thx/xbRlIEiTKlWes+f/0E1Nhm3KpelsBZ3L/Q6y1ragwkQd4Q720AmWEqemLyA==",
+      "requires": {
+        "buffer": "4.9.1",
+        "events": "1.1.1",
+        "ieee754": "1.1.13",
+        "jmespath": "0.15.0",
+        "querystring": "0.2.0",
+        "sax": "1.2.1",
+        "url": "0.10.3",
+        "uuid": "3.3.2",
+        "xml2js": "0.4.19"
+      }
     },
-    "asynckit": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
+    "base64-js": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.1.tgz",
+      "integrity": "sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g=="
     },
     "body-parser": {
       "version": "1.18.3",
@@ -81,40 +66,21 @@
         }
       }
     },
-    "buffer-from": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
-      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A=="
+    "buffer": {
+      "version": "4.9.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
+      "integrity": "sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=",
+      "requires": {
+        "base64-js": "^1.0.2",
+        "ieee754": "^1.1.4",
+        "isarray": "^1.0.0"
+      }
     },
     "bytes": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
       "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg="
     },
-    "caseless": {
-      "version": "0.12.0",
-      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
-      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
-    },
-    "combined-stream": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.7.tgz",
-      "integrity": "sha512-brWl9y6vOB1xYPZcpZde3N9zDByXTosAeMDo4p1wzo6UMOX4vumB+TP1RZ76sfE6Md68Q0NJSrE/gbezd4Ul+w==",
-      "requires": {
-        "delayed-stream": "~1.0.0"
-      }
-    },
-    "concat-stream": {
-      "version": "1.6.2",
-      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
-      "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
-      "requires": {
-        "buffer-from": "^1.0.0",
-        "inherits": "^2.0.3",
-        "readable-stream": "^2.2.2",
-        "typedarray": "^0.0.6"
-      }
-    },
     "content-disposition": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.2.tgz",
@@ -135,11 +101,6 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
-    "core-util-is": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
-    },
     "debug": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
@@ -155,11 +116,6 @@
         }
       }
     },
-    "delayed-stream": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
-      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
-    },
     "depd": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
@@ -195,6 +151,11 @@
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
       "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc="
     },
+    "events": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/events/-/events-1.1.1.tgz",
+      "integrity": "sha1-nr23Y1rQmccNzEwqH1AEKI6L2SQ="
+    },
     "express": {
       "version": "4.16.4",
       "resolved": "https://registry.npmjs.org/express/-/express-4.16.4.tgz",
@@ -276,16 +237,6 @@
         }
       }
     },
-    "form-data": {
-      "version": "2.3.3",
-      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.3.tgz",
-      "integrity": "sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==",
-      "requires": {
-        "asynckit": "^0.4.0",
-        "combined-stream": "^1.0.6",
-        "mime-types": "^2.1.12"
-      }
-    },
     "forwarded": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
@@ -296,24 +247,6 @@
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
       "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
     },
-    "get-port": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/get-port/-/get-port-3.2.0.tgz",
-      "integrity": "sha1-3Xzn3hh8Bsi/NTeWrHHgmfCYDrw="
-    },
-    "http-basic": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/http-basic/-/http-basic-7.0.0.tgz",
-      "integrity": "sha1-gvClBr6UJzLsje6+6A50bvVzbbo=",
-      "requires": {
-        "@types/concat-stream": "^1.6.0",
-        "@types/node": "^9.4.1",
-        "caseless": "~0.12.0",
-        "concat-stream": "^1.4.6",
-        "http-response-object": "^3.0.1",
-        "parse-cache-control": "^1.0.1"
-      }
-    },
     "http-errors": {
       "version": "1.6.3",
       "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
@@ -325,14 +258,6 @@
         "statuses": ">= 1.4.0 < 2"
       }
     },
-    "http-response-object": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/http-response-object/-/http-response-object-3.0.1.tgz",
-      "integrity": "sha512-6L0Fkd6TozA8kFSfh9Widst0wfza3U1Ex2RjJ6zNDK0vR1U1auUR6jY4Nn2Xl7CCy0ikFmxW1XcspVpb9RvwTg==",
-      "requires": {
-        "@types/node": "^9.3.0"
-      }
-    },
     "iconv-lite": {
       "version": "0.4.23",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.23.tgz",
@@ -341,6 +266,11 @@
         "safer-buffer": ">= 2.1.2 < 3"
       }
     },
+    "ieee754": {
+      "version": "1.1.13",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.13.tgz",
+      "integrity": "sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg=="
+    },
     "inherits": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
@@ -356,10 +286,15 @@
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
       "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
     },
+    "jmespath": {
+      "version": "0.15.0",
+      "resolved": "https://registry.npmjs.org/jmespath/-/jmespath-0.15.0.tgz",
+      "integrity": "sha1-o/Iiqarp+Wb10nx5ZRDigJF2Qhc="
+    },
     "kotlin": {
-      "version": "1.3.21",
-      "resolved": "https://registry.npmjs.org/kotlin/-/kotlin-1.3.21.tgz",
-      "integrity": "sha512-JqxY9quNzwWl8iYvNj/ycfNBEbSFDKvmeK2rDVU89q0/X8BRjVzibJ5RFOq/9efvvvi+VBnIRhL7GSOGzmP2nQ=="
+      "version": "1.4.0-M3",
+      "resolved": "https://registry.npmjs.org/kotlin/-/kotlin-1.4.0-M3.tgz",
+      "integrity": "sha512-y6dl1t36tI1hAJlJTxlOB/fj/0iOga+XC8+eg9hUSTu5BDJ9MIUR7XnA8Ld+tQA9IakAPaUmgZZfX2lsHaAdIw=="
     },
     "media-typer": {
       "version": "0.3.0",
@@ -404,6 +339,11 @@
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz",
       "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk="
     },
+    "node-fetch": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
+      "integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA=="
+    },
     "on-finished": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
@@ -412,11 +352,6 @@
         "ee-first": "1.1.1"
       }
     },
-    "parse-cache-control": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/parse-cache-control/-/parse-cache-control-1.0.1.tgz",
-      "integrity": "sha1-juqz5U+laSD+Fro493+iGqzC104="
-    },
     "parseurl": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.2.tgz",
@@ -427,19 +362,6 @@
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
       "integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w="
     },
-    "process-nextick-args": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
-      "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw=="
-    },
-    "promise": {
-      "version": "8.0.2",
-      "resolved": "https://registry.npmjs.org/promise/-/promise-8.0.2.tgz",
-      "integrity": "sha512-EIyzM39FpVOMbqgzEHhxdrEhtOSDOtjMZQ0M6iVfCE+kWNgCkAyOdnuCWqfmflylftfadU6FkiMgHZA2kUzwRw==",
-      "requires": {
-        "asap": "~2.0.6"
-      }
-    },
     "proxy-addr": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.4.tgz",
@@ -449,11 +371,21 @@
         "ipaddr.js": "1.8.0"
       }
     },
+    "punycode": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.3.2.tgz",
+      "integrity": "sha1-llOgNvt8HuQjQvIyXM7v6jkmxI0="
+    },
     "qs": {
       "version": "6.5.2",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
       "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
     },
+    "querystring": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/querystring/-/querystring-0.2.0.tgz",
+      "integrity": "sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA="
+    },
     "range-parser": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.0.tgz",
@@ -470,20 +402,6 @@
         "unpipe": "1.0.0"
       }
     },
-    "readable-stream": {
-      "version": "2.3.6",
-      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
-      "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
-      "requires": {
-        "core-util-is": "~1.0.0",
-        "inherits": "~2.0.3",
-        "isarray": "~1.0.0",
-        "process-nextick-args": "~2.0.0",
-        "safe-buffer": "~5.1.1",
-        "string_decoder": "~1.1.1",
-        "util-deprecate": "~1.0.1"
-      }
-    },
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
@@ -494,6 +412,11 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
+    "sax": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.1.tgz",
+      "integrity": "sha1-e45lYZCyKOgaZq6nSEgNgozS03o="
+    },
     "send": {
       "version": "0.16.2",
       "resolved": "https://registry.npmjs.org/send/-/send-0.16.2.tgz",
@@ -550,57 +473,6 @@
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
       "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
     },
-    "string_decoder": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-      "requires": {
-        "safe-buffer": "~5.1.0"
-      }
-    },
-    "sync-request": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/sync-request/-/sync-request-6.0.0.tgz",
-      "integrity": "sha512-jGNIAlCi9iU4X3Dm4oQnNQshDD3h0/1A7r79LyqjbjUnj69sX6mShAXlhRXgImsfVKtTcnra1jfzabdZvp+Lmw==",
-      "requires": {
-        "http-response-object": "^3.0.1",
-        "sync-rpc": "^1.2.1",
-        "then-request": "^6.0.0"
-      }
-    },
-    "sync-rpc": {
-      "version": "1.3.4",
-      "resolved": "https://registry.npmjs.org/sync-rpc/-/sync-rpc-1.3.4.tgz",
-      "integrity": "sha512-Iug+t1ICVFenUcTnDu8WXFnT+k8IVoLKGh8VA3eXUtl2Rt9SjKX3YEv33OenABqpTPL9QEaHv1+CNn2LK8vMow==",
-      "requires": {
-        "get-port": "^3.1.0"
-      }
-    },
-    "then-request": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/then-request/-/then-request-6.0.0.tgz",
-      "integrity": "sha512-xA+7uEMc+jsQIoyySJ93Ad08Kuqnik7u6jLS5hR91Z3smAoCfL3M8/MqMlobAa9gzBfO9pA88A/AntfepkkMJQ==",
-      "requires": {
-        "@types/concat-stream": "^1.6.0",
-        "@types/form-data": "0.0.33",
-        "@types/node": "^8.0.0",
-        "@types/qs": "^6.2.31",
-        "caseless": "~0.12.0",
-        "concat-stream": "^1.6.0",
-        "form-data": "^2.2.0",
-        "http-basic": "^7.0.0",
-        "http-response-object": "^3.0.1",
-        "promise": "^8.0.0",
-        "qs": "^6.4.0"
-      },
-      "dependencies": {
-        "@types/node": {
-          "version": "8.10.42",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.42.tgz",
-          "integrity": "sha512-8LCqostMfYwQs9by1k21/P4KZp9uFQk3Q528y3qtPKQnCJmKz0Em3YzgeNjTNV1FVrG/7n/6j12d4UKg9zSgDw=="
-        }
-      }
-    },
     "type-is": {
       "version": "1.6.16",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
@@ -610,30 +482,48 @@
         "mime-types": "~2.1.18"
       }
     },
-    "typedarray": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
-    },
     "unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
     },
-    "util-deprecate": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+    "url": {
+      "version": "0.10.3",
+      "resolved": "https://registry.npmjs.org/url/-/url-0.10.3.tgz",
+      "integrity": "sha1-Ah5NnHcF8hu/N9A861h2dAJ3TGQ=",
+      "requires": {
+        "punycode": "1.3.2",
+        "querystring": "0.2.0"
+      }
     },
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
       "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
     },
+    "uuid": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+      "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
+    },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+    },
+    "xml2js": {
+      "version": "0.4.19",
+      "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.19.tgz",
+      "integrity": "sha512-esZnJZJOiJR9wWKMyuvSE1y6Dq5LCuJanqhxslH2bxM6duahNZ+HMpCLhBQGZkbX6xRf8x1Y2eJlgt2q3qo49Q==",
+      "requires": {
+        "sax": ">=0.6.0",
+        "xmlbuilder": "~9.0.1"
+      }
+    },
+    "xmlbuilder": {
+      "version": "9.0.7",
+      "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-9.0.7.tgz",
+      "integrity": "sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0="
     }
   }
 }
diff --git a/tools/performance-server/package.json b/tools/performance-server/package.json
index ded496a07ed..dbbec39fc8d 100644
--- a/tools/performance-server/package.json
+++ b/tools/performance-server/package.json
@@ -6,11 +6,12 @@
     "start": "node server/app.js"
   },
   "dependencies": {
+    "aws-sdk": "~2.670.0",
     "body-parser": "~1.18.3",
     "debug": "~4.1.1",
+    "ejs": "~2.6.1",
     "express": "~4.16.4",
-    "kotlin": "^1.3.21",
-    "sync-request": "~6.0.0",
-    "ejs": "~2.6.1"
+    "kotlin": "~1.4.0-M3",
+    "node-fetch": "~2.6.0"
   }
 }
diff --git a/tools/performance-server/shared/src/main/kotlin/org/jetbrains/build/Build.kt b/tools/performance-server/shared/src/main/kotlin/org/jetbrains/buildInfo/BuildInfo.kt
similarity index 54%
rename from tools/performance-server/shared/src/main/kotlin/org/jetbrains/build/Build.kt
rename to tools/performance-server/shared/src/main/kotlin/org/jetbrains/buildInfo/BuildInfo.kt
index 28eb2c51624..2ced13b02a9 100644
--- a/tools/performance-server/shared/src/main/kotlin/org/jetbrains/build/Build.kt
+++ b/tools/performance-server/shared/src/main/kotlin/org/jetbrains/buildInfo/BuildInfo.kt
@@ -1,45 +1,26 @@
 /*
- * Copyright 2010-2019 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
-
-package org.jetbrains.build
+package org.jetbrains.buildInfo
 
 import org.jetbrains.report.*
 import org.jetbrains.report.json.*
 
 data class Build(val buildNumber: String, val startTime: String, val finishTime: String, val branch: String,
-                 val commits: String, val buildType: String, val failuresNumber: Int, val executionTime: String,
-                 val compileTime: String, val codeSize: String, val bundleSize: String?) {
+                 val commits: String, val failuresNumber: Int) {
 
-    companion object: EntityFromJsonFactory<Build> {
+    companion object : EntityFromJsonFactory<Build> {
         override fun create(data: JsonElement): Build {
             if (data is JsonObject) {
-                val buildNumber = elementToString(data.getRequiredField("buildNumber"), "buildNumber")
-                val startTime = elementToString(data.getRequiredField("startTime"), "startTime")
-                val finishTime = elementToString(data.getRequiredField("finishTime"), "finishTime")
-                val branch = elementToString(data.getRequiredField("branch"), "branch")
+                val buildNumber = elementToString(data.getRequiredField("buildNumber"), "buildNumber").replace("\"", "")
+                val startTime = elementToString(data.getRequiredField("startTime"), "startTime").replace("\"", "")
+                val finishTime = elementToString(data.getRequiredField("finishTime"), "finishTime").replace("\"", "")
+                val branch = elementToString(data.getRequiredField("branch"), "branch").replace("\"", "")
                 val commits = elementToString(data.getRequiredField("commits"), "commits")
-                val buildType = elementToString(data.getRequiredField("buildType"), "buildType")
                 val failuresNumber = elementToInt(data.getRequiredField("failuresNumber"), "failuresNumber")
-                val executionTime = elementToString(data.getRequiredField("executionTime"), "executionTime")
-                val compileTime = elementToString(data.getRequiredField("compileTime"), "compileTime")
-                val codeSize = elementToString(data.getRequiredField("codeSize"), "codeSize")
-                val bundleSize = elementToStringOrNull(data.getRequiredField("bundleSize"), "bundleSize")
-                return Build(buildNumber, startTime, finishTime, branch, commits, buildType, failuresNumber, executionTime,
-                        compileTime, codeSize, bundleSize)
+                return Build(buildNumber, startTime, finishTime, branch, commits, failuresNumber)
             } else {
                 error("Top level entity is expected to be an object. Please, check origin files.")
             }
@@ -58,6 +39,7 @@ data class Build(val buildNumber: String, val startTime: String, val finishTime:
             return "${if (hours < 10) "0$hours" else "$hours"}:${matchResult[2]}"
         } ?: error { "Wrong format of time $startTime" }
     }
+
     val date: String by lazy {
         val matchResult = "^(\\d{4})(\\d{2})(\\d{2})".toRegex().find(startTime)?.groupValues
         matchResult?.let { "${matchResult[3]}/${matchResult[2]}/${matchResult[1]}" }
diff --git a/tools/performance-server/shared/src/main/kotlin/org/jetbrains/elastic/ElasticSearchConnector.kt b/tools/performance-server/shared/src/main/kotlin/org/jetbrains/elastic/ElasticSearchConnector.kt
new file mode 100644
index 00000000000..041fc4b686d
--- /dev/null
+++ b/tools/performance-server/shared/src/main/kotlin/org/jetbrains/elastic/ElasticSearchConnector.kt
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package org.jetbrains.elastic
+
+import kotlin.js.Promise            // TODO - migrate to multiplatform.
+import org.jetbrains.report.json.*
+import org.jetbrains.network.*
+
+// Connector with InfluxDB.
+class ElasticSearchConnector(private val connector: NetworkConnector,
+                             private val user: String? = null, private val password: String? = null) {
+    // Execute ElasticSearch request.
+    fun request(method: RequestMethod, path: String, acceptJsonContentType: Boolean = true, body: String? = null) =
+            connector.sendRequest(method, path, user, password, acceptJsonContentType, body)
+}
\ No newline at end of file
diff --git a/tools/performance-server/shared/src/main/kotlin/org/jetbrains/elastic/ElasticSearchIndex.kt b/tools/performance-server/shared/src/main/kotlin/org/jetbrains/elastic/ElasticSearchIndex.kt
new file mode 100644
index 00000000000..eeb9f9f218a
--- /dev/null
+++ b/tools/performance-server/shared/src/main/kotlin/org/jetbrains/elastic/ElasticSearchIndex.kt
@@ -0,0 +1,224 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package org.jetbrains.elastic
+
+import org.jetbrains.report.*
+import org.jetbrains.report.json.*
+import org.jetbrains.report.MeanVarianceBenchmark
+import org.jetbrains.network.*
+import kotlin.js.Promise     // TODO - migrate to multiplatform.
+
+data class Commit(val revision: String, val developer: String) : JsonSerializable {
+    override fun toString() = "$revision by $developer"
+
+    override fun serializeFields() = """
+        "revision": "$revision",
+        "developer": "$developer"
+    """
+
+    companion object : EntityFromJsonFactory<Commit> {
+        fun parse(description: String) = if (description != "...") {
+            description.split(" by ").let {
+                val (currentRevision, currentDeveloper) = it
+                Commit(currentRevision, currentDeveloper)
+            }
+        } else {
+            Commit("unknown", "unknown")
+        }
+
+        override fun create(data: JsonElement): Commit {
+            if (data is JsonObject) {
+                val revision = elementToString(data.getRequiredField("revision"), "revision")
+                val developer = elementToString(data.getRequiredField("developer"), "developer")
+                return Commit(revision, developer)
+            } else {
+                error("Top level entity is expected to be an object. Please, check origin files.")
+            }
+        }
+    }
+}
+
+// List of commits.
+class CommitsList : ConvertedFromJson, JsonSerializable {
+
+    val commits: List<Commit>
+
+    constructor(data: JsonElement) {
+        if (data !is JsonObject) {
+            error("Commits description is expected to be a JSON object!")
+        }
+        val changesElement = data.getOptionalField("change")
+        commits = changesElement?.let {
+            if (changesElement !is JsonArray) {
+                error("Change field is expected to be an array. Please, check source.")
+            }
+            changesElement.jsonArray.map {
+                with(it as JsonObject) {
+                    Commit(elementToString(getRequiredField("version"), "version"),
+                            elementToString(getRequiredField("username"), "username")
+                    )
+                }
+            }
+        } ?: listOf<Commit>()
+    }
+
+    constructor(_commits: List<Commit>) {
+        commits = _commits
+    }
+
+    override fun toString(): String =
+            commits.toString()
+
+    companion object {
+        fun parse(description: String) = CommitsList(description.split(";").filter { it.isNotEmpty() }.map {
+            Commit.parse(it)
+        })
+    }
+
+    override fun serializeFields() = """
+        "commits": ${arrayToJson(commits)}
+    """
+}
+
+data class BuildInfo(val buildNumber: String, val startTime: String, val endTime: String, val commitsList: CommitsList,
+                     val branch: String,
+                     val agentInfo: String /* Important agent information often used in requests.*/) : JsonSerializable {
+    override fun serializeFields() = """
+        "buildNumber": "$buildNumber",
+        "startTime": "$startTime",
+        "endTime": "$endTime",
+        ${commitsList.serializeFields()},
+        "branch": "$branch",
+        "agentInfo": "$agentInfo"
+    """
+
+    companion object : EntityFromJsonFactory<BuildInfo> {
+        override fun create(data: JsonElement): BuildInfo {
+            if (data is JsonObject) {
+                val buildNumber = elementToString(data.getRequiredField("buildNumber"), "buildNumber")
+                val startTime = elementToString(data.getRequiredField("startTime"), "startTime")
+                val endTime = elementToString(data.getRequiredField("endTime"), "endTime")
+                val branch = elementToString(data.getRequiredField("branch"), "branch")
+                val commitsList = data.getRequiredField("commits")
+                val commits = if (commitsList is JsonArray) {
+                    commitsList.jsonArray.map { Commit.create(it as JsonObject) }
+                } else {
+                    error("benchmarksSets field is expected to be an array. Please, check origin files.")
+                }
+                val agentInfoElement = data.getOptionalField("agentInfo")
+                val agentInfo = agentInfoElement?.let {
+                    elementToString(agentInfoElement, "agentInfo")
+                } ?: ""
+                return BuildInfo(buildNumber, startTime, endTime, CommitsList(commits), branch, agentInfo)
+            } else {
+                error("Top level entity is expected to be an object. Please, check origin files.")
+            }
+        }
+    }
+}
+
+enum class ElasticSearchType {
+    TEXT, KEYWORD, DATE, LONG, DOUBLE, BOOLEAN, OBJECT, NESTED
+}
+
+abstract class ElasticSearchIndex(val indexName: String, val connector: ElasticSearchConnector) {
+    var nextId = 0L
+
+    // Insert data.
+    fun insert(data: JsonSerializable): Promise<String> {
+        val description = data.toJson()
+        val writePath = "$indexName/_doc/$nextId?pretty"
+        nextId++
+        return connector.request(RequestMethod.PUT, writePath, body = description)
+    }
+
+    // Delete data.
+    fun delete(data: String): Promise<String> {
+        val writePath = "$indexName/_delete_by_query"
+        return connector.request(RequestMethod.POST, writePath, body = data)
+    }
+
+    // Make search request.
+    fun search(requestJson: String, filterPathes: List<String> = emptyList()): Promise<String> {
+        val path = "$indexName/_search?pretty${if (filterPathes.isNotEmpty())
+            "&filter_path=" + filterPathes.joinToString(",") else ""}"
+        return connector.request(RequestMethod.POST, path, body = requestJson)
+    }
+
+    init {
+        // Get latest id for index.
+        val queryBody = """{
+               "_source": ["_id"],
+               "size": 1,
+               "query": {
+                  "match_all": {}
+               }
+            }"""
+        search(queryBody, listOf("hits.total.value")).then { responseString ->
+            val response = JsonTreeParser.parse(responseString).jsonObject
+            val value = response.getObjectOrNull("hits")?.getObjectOrNull("total")?.getPrimitiveOrNull("value")?.content
+                    ?: error("Error response from ElasticSearch:\n$responseString")
+            nextId = value.toLong()
+        }.catch { errorMessage ->
+            error(errorMessage.message ?: "Failed getting next id for index $indexName")
+        }
+    }
+
+    abstract val mapping: Map<String, ElasticSearchType>
+
+    val mappingDescription: String
+        get() = """
+            {
+                "mappings": {
+                "properties": {
+                    ${mapping.map { (property, type) ->
+                        "\"${property}\": { \"type\": \"${type.name.toLowerCase()}\"${if (type == ElasticSearchType.DATE) "," +
+                    "\"format\": \"basic_date_time_no_millis\"" else ""} }"
+                    }.joinToString()}}
+                }
+            }
+        """.trimIndent()
+
+    fun createMapping() =
+            connector.request(RequestMethod.PUT, indexName, body = mappingDescription)
+}
+
+class BenchmarksIndex(name: String, connector: ElasticSearchConnector) : ElasticSearchIndex(name, connector) {
+    override val mapping: Map<String, ElasticSearchType>
+        get() = mapOf("buildNumber" to ElasticSearchType.KEYWORD,
+                "benchmarks" to ElasticSearchType.NESTED,
+                "env" to ElasticSearchType.NESTED,
+                "kotlin" to ElasticSearchType.NESTED)
+}
+
+class GoldenResultsIndex(connector: ElasticSearchConnector) : ElasticSearchIndex("golden", connector) {
+    override val mapping: Map<String, ElasticSearchType>
+        get() = mapOf("buildNumber" to ElasticSearchType.KEYWORD,
+                "benchmarks" to ElasticSearchType.NESTED,
+                "env" to ElasticSearchType.NESTED,
+                "kotlin" to ElasticSearchType.NESTED)
+}
+
+class BuildInfoIndex(connector: ElasticSearchConnector) : ElasticSearchIndex("builds", connector) {
+    override val mapping: Map<String, ElasticSearchType>
+        get() = mapOf("buildNumber" to ElasticSearchType.KEYWORD,
+                "startTime" to ElasticSearchType.DATE,
+                "endTime" to ElasticSearchType.DATE,
+                "commits" to ElasticSearchType.NESTED)
+}
+
+// Processed benchmark result with calculated mean, variance and normalized reult.
+class NormalizedMeanVarianceBenchmark(name: String, status: BenchmarkResult.Status, score: Double, metric: BenchmarkResult.Metric,
+                                      runtimeInUs: Double, repeat: Int, warmup: Int, variance: Double, val normalizedScore: Double) :
+        MeanVarianceBenchmark(name, status, score, metric, runtimeInUs, repeat, warmup, variance) {
+
+    override fun serializeFields(): String {
+        return """
+            ${super.serializeFields()},
+            "normalizedScore": $normalizedScore
+            """
+    }
+}
\ No newline at end of file
diff --git a/tools/performance-server/shared/src/main/kotlin/org/jetbrains/network/NetworkConnector.kt b/tools/performance-server/shared/src/main/kotlin/org/jetbrains/network/NetworkConnector.kt
new file mode 100644
index 00000000000..7865a059df4
--- /dev/null
+++ b/tools/performance-server/shared/src/main/kotlin/org/jetbrains/network/NetworkConnector.kt
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package org.jetbrains.network
+
+import kotlin.js.Promise            // TODO - migrate to multiplatform.
+import kotlin.js.json               // TODO - migrate to multiplatform.
+
+// Now implemenation for network connection only for Node.js. TODO - multiplatform.
+external fun require(module: String): dynamic
+
+enum class RequestMethod {
+    POST, GET, PUT
+}
+
+// Abstract class for working with network.
+abstract class NetworkConnector {
+    fun getAuth(user: String, password: String): String {
+        val buffer = js("Buffer").from(user + ":" + password)
+        val based64String = buffer.toString("base64")
+        return "Basic " + based64String
+    }
+
+    protected abstract fun <T : String?> sendBaseRequest(method: RequestMethod, path: String, user: String? = null,
+                                                         password: String? = null, acceptJsonContentType: Boolean = true,
+                                                         body: String? = null,
+                                                         errorHandler: (url: String, response: dynamic) -> Nothing?): Promise<T>
+
+    open fun sendRequest(method: RequestMethod, path: String, user: String? = null, password: String? = null,
+                         acceptJsonContentType: Boolean = true, body: String? = null): Promise<String> =
+            sendBaseRequest<String>(method, path, user, password, acceptJsonContentType, body) { url, response ->
+                error("Error during getting response from $url\n$response")
+            }
+
+    open fun sendOptionalRequest(method: RequestMethod, path: String, user: String? = null, password: String? = null,
+                                 acceptJsonContentType: Boolean = true, body: String? = null): Promise<String?> =
+            sendBaseRequest<String?>(method, path, user, password, acceptJsonContentType, body) { url, response ->
+                println("Error during getting response from $url\n$response")
+                null
+            }
+}
+
+
+
diff --git a/tools/performance-server/shared/src/main/kotlin/org/jetbrains/network/UrlNetworkConnector.kt b/tools/performance-server/shared/src/main/kotlin/org/jetbrains/network/UrlNetworkConnector.kt
new file mode 100644
index 00000000000..f594570f5ad
--- /dev/null
+++ b/tools/performance-server/shared/src/main/kotlin/org/jetbrains/network/UrlNetworkConnector.kt
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package org.jetbrains.network
+
+import kotlin.js.Promise            // TODO - migrate to multiplatform.
+import kotlin.js.json               // TODO - migrate to multiplatform.
+
+// Network connector to work with basic url requests.
+class UrlNetworkConnector(private val host: String, private val port: Int? = null) : NetworkConnector() {
+
+    private val url = "$host${port?.let { ":$port" } ?: ""}"
+
+    override fun <T : String?> sendBaseRequest(method: RequestMethod, path: String, user: String?, password: String?,
+                                                    acceptJsonContentType: Boolean, body: String?,
+                                                    errorHandler: (url: String, response: dynamic) -> Nothing?): Promise<T> {
+        val fullUrl = "$url/$path"
+        val request = require("node-fetch")
+        val headers = mutableListOf<Pair<String, String>>()
+        if (user != null && password != null) {
+            headers.add("Authorization" to getAuth(user, password))
+        }
+        if (acceptJsonContentType) {
+            headers.add("Accept" to "application/json")
+            headers.add("Content-Type" to "application/json")
+        }
+
+        return request(fullUrl,
+                json(
+                        "method" to method.toString(),
+                        "headers" to json(*(headers.toTypedArray())),
+                        "body" to body
+                )
+        ).then { response ->
+            if (!response.ok) {
+                errorHandler(fullUrl, response)
+            } else {
+                response.text()
+            }
+        }
+    }
+}
+
+
+
diff --git a/tools/performance-server/src/main/kotlin-js/org/jetbrains/analyzer/Utils.kt b/tools/performance-server/src/main/kotlin-js/org/jetbrains/analyzer/Utils.kt
new file mode 100644
index 00000000000..5494cd550b0
--- /dev/null
+++ b/tools/performance-server/src/main/kotlin-js/org/jetbrains/analyzer/Utils.kt
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package org.jetbrains.analyzer
+
+import org.w3c.xhr.*
+import kotlin.browser.*
+import kotlin.js.*
+
+actual fun readFile(fileName: String): String {
+    error("Reading from local file for JS isn't supported")
+}
+
+actual fun writeToFile(fileName: String, text: String) {
+    error("Writing to local file for JS isn't supported")
+}
+
+actual fun Double.format(decimalNumber: Int): String =
+        this.asDynamic().toFixed(decimalNumber)
+
+actual fun assert(value: Boolean, lazyMessage: () -> Any) {
+    if (!value) error(lazyMessage)
+}
+
+actual fun sendGetRequest(url: String, user: String?, password: String?, followLocation: Boolean) : String {
+    error("Unsupported")
+}
\ No newline at end of file
diff --git a/tools/performance-server/src/main/kotlin/database/BenchmarksIndexesDispatcher.kt b/tools/performance-server/src/main/kotlin/database/BenchmarksIndexesDispatcher.kt
new file mode 100644
index 00000000000..e5db2561e50
--- /dev/null
+++ b/tools/performance-server/src/main/kotlin/database/BenchmarksIndexesDispatcher.kt
@@ -0,0 +1,365 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package org.jetbrains.database
+
+import kotlin.js.Promise
+import org.jetbrains.elastic.*
+import org.jetbrains.utils.*
+import org.jetbrains.report.json.*
+import org.jetbrains.report.*
+
+fun <T> Iterable<T>.isEmpty() = count() == 0
+fun <T> Iterable<T>.isNotEmpty() = !isEmpty()
+
+inline fun <T: Any> T?.str(block: (T) -> String): String =
+        if (this != null) block(this)
+        else ""
+
+// Dispatcher to create and control benchmarks indexes separated by some feature.
+// Feature can be choosen as often used as filtering entity in case there is no need in separate indexes.
+// Default behaviour of dispatcher is working with one index (case when separating isn't needed).
+class BenchmarksIndexesDispatcher(connector: ElasticSearchConnector, val feature: String,
+                                  featureValues: Iterable<String> = emptyList()) {
+    // Becnhmarks indexes to work with in case of existing feature values.
+    private val benchmarksIndexes =
+            if (featureValues.isNotEmpty())
+                featureValues.map { it to BenchmarksIndex("benchmarks_${it.replace(" ", "_").toLowerCase()}", connector) }
+                        .toMap()
+            else emptyMap()
+
+    // Single benchmark index.
+    private val benchmarksSingleInstance =
+            if (featureValues.isEmpty()) BenchmarksIndex("benchmarks", connector) else null
+
+    // Get right index in ES.
+    private fun getIndex(featureValue: String = "") =
+            benchmarksSingleInstance ?: benchmarksIndexes[featureValue]
+            ?: error("Used wrong feature value $featureValue. Indexes are separated using next values: ${benchmarksIndexes.keys}")
+
+    // Used filter to get data with needed feature value.
+    var featureFilter: ((String) -> String)? = null
+
+    // Get benchmark reports corresponding to needed build number.
+    fun getBenchmarksReports(buildNumber: String, featureValue: String): Promise<List<String>> {
+        val queryDescription = """
+            {
+                "size": 1000,
+                "query": {
+                    "bool": {
+                        "must": [ 
+                            { "match": { "buildNumber": "$buildNumber" } }
+                        ]
+                    }
+                }
+            }
+            """
+
+        return getIndex(featureValue).search(queryDescription, listOf("hits.hits._source")).then { responseString ->
+            val dbResponse = JsonTreeParser.parse(responseString).jsonObject
+            dbResponse.getObjectOrNull("hits")?.getArrayOrNull("hits")?.let { results ->
+                results.map {
+                    val element = it as JsonObject
+                    element.getObject("_source").toString()
+                }
+            } ?: emptyList()
+        }
+    }
+
+    // Get benchmarkes names corresponding to needed build number.
+    fun getBenchmarksList(buildNumber: String, featureValue: String): Promise<List<String>> {
+        return getBenchmarksReports(buildNumber, featureValue).then { reports ->
+            reports.map {
+                val dbResponse = JsonTreeParser.parse(it).jsonObject
+                parseBenchmarksArray(dbResponse.getArray("benchmarks"))
+                        .map { it.name }
+            }.flatten()
+        }
+    }
+
+    // Delete benchmarks from database.
+    fun deleteBenchmarks(featureValue: String, buildNumber: String? = null): Promise<String> {
+        // Delete all or for choosen build number.
+        val matchQuery = buildNumber?.let {
+            """"match": { "buildNumber": "$it" }"""
+        } ?: """"match_all": {}"""
+
+        val queryDescription = """
+            {
+                "query": {
+                    $matchQuery
+                }
+            }
+        """.trimIndent()
+        return getIndex(featureValue).delete(queryDescription)
+    }
+
+    // Get benchmarks values of needed metric for choosen build number.
+    fun getSamples(metricName: String, featureValue: String = "", samples: List<String>,
+                   buildNumbers: Iterable<String>? = null,
+                   normalize: Boolean = false): Promise<List<Pair<String, Array<Double?>>>> {
+        val queryDescription = """
+            {
+                "_source": ["buildNumber"],
+                "size": 1000,
+                "query": {
+                    "bool": {
+                        "must": [ 
+                            ${buildNumbers.str { builds ->
+            """
+                            { "terms" : { "buildNumber" : [${builds.map { "\"$it\"" }.joinToString()}] } },""" }
+        }
+                            ${featureFilter.str { "${it(featureValue)}," } }
+                            {"nested" : {
+                                "path" : "benchmarks",
+                                "query" : {
+                                    "bool": {
+                                        "must": [
+                                            { "match": { "benchmarks.metric": "$metricName" } },
+                                            { "terms": { "benchmarks.name": [${samples.map { "\"${it.toLowerCase()}\"" }.joinToString()}] }}
+                                        ]
+                                    }  
+                                }, "inner_hits": {
+                                    "size": ${samples.size}, 
+                                    "_source": ["benchmarks.name", 
+                                    "benchmarks.${if (normalize) "normalizedScore" else "score"}"]
+                                }    
+                            }
+                        }
+                    ]
+                }
+            } 
+        }"""
+
+        return getIndex(featureValue).search(queryDescription, listOf("hits.hits._source", "hits.hits.inner_hits"))
+                .then { responseString ->
+                    val dbResponse = JsonTreeParser.parse(responseString).jsonObject
+                    val results = dbResponse.getObjectOrNull("hits")?.getArrayOrNull("hits")
+                            ?: error("Wrong response:\n$responseString")
+                    // Get indexes for provided samples.
+                    val indexesMap = samples.mapIndexed { index, it -> it to index }.toMap()
+                    val valuesMap = buildNumbers?.map {
+                        it to arrayOfNulls<Double?>(samples.size)
+                    }?.toMap()?.toMutableMap() ?: mutableMapOf<String, Array<Double?>>()
+                    // Parse and save values in requested order.
+                    results.forEach {
+                        val element = it as JsonObject
+                        val build = element.getObject("_source").getPrimitive("buildNumber").content
+                        buildNumbers?.let { valuesMap.getOrPut(build) { arrayOfNulls<Double?>(samples.size) } }
+                        element
+                                .getObject("inner_hits")
+                                .getObject("benchmarks")
+                                .getObject("hits")
+                                .getArray("hits").forEach {
+                                    val source = (it as JsonObject).getObject("_source")
+                                    valuesMap[build]!![indexesMap[source.getPrimitive("name").content]!!] =
+                                            source.getPrimitive(if (normalize) "normalizedScore" else "score").double
+                                }
+
+                    }
+                    valuesMap.toList()
+                }
+    }
+
+    fun insert(data: JsonSerializable, featureValue: String = "") =
+            getIndex(featureValue).insert(data)
+
+    fun delete(data: String, featureValue: String = "") =
+            getIndex(featureValue).delete(data)
+
+    // Get failures number happned during build.
+    fun getFailuresNumber(featureValue: String = "", buildNumbers: Iterable<String>? = null): Promise<Map<String, Int>> {
+        val queryDescription = """ 
+            {
+                "_source": false,
+                ${featureFilter.str {
+            """
+                "query": {
+                    "bool": {
+                        "must": [ ${it(featureValue)} ]
+                    }
+                }, """
+        } }
+                ${buildNumbers.str { builds ->
+            """
+                "aggs" : {
+                    "builds": {
+                        "filters" : { 
+                            "filters": { 
+                                ${builds.map { "\"$it\": { \"match\" : { \"buildNumber\" : \"$it\" }}" }
+                    .joinToString(",\n")}
+                            }
+                        },"""
+        } }
+                    "aggs" : {
+                        "metric_build" : {
+                            "nested" : {
+                                "path" : "benchmarks"
+                            },
+                            "aggs" : {
+                                "metric_samples": {
+                                    "filters" : { 
+                                        "filters": { "samples": { "match": { "benchmarks.status": "FAILED" } } }
+                                    },
+                                    "aggs" : {
+                                        "failed_count": {
+                                            "value_count": {
+                                                "field" : "benchmarks.score"
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                    ${buildNumbers.str {
+            """ }
+                }"""
+        } }
+        }
+    }
+}
+"""
+        return getIndex(featureValue).search(queryDescription, listOf("aggregations")).then { responseString ->
+            val dbResponse = JsonTreeParser.parse(responseString).jsonObject
+            val aggregations = dbResponse.getObjectOrNull("aggregations") ?: error("Wrong response:\n$responseString")
+            buildNumbers?.let {
+                // Get failed number for each provided build.
+                val buckets = aggregations
+                        .getObjectOrNull("builds")
+                        ?.getObjectOrNull("buckets")
+                        ?: error("Wrong response:\n$responseString")
+                buildNumbers.map {
+                    it to buckets
+                            .getObject(it)
+                            .getObject("metric_build")
+                            .getObject("metric_samples")
+                            .getObject("buckets")
+                            .getObject("samples")
+                            .getObject("failed_count")
+                            .getPrimitive("value")
+                            .int
+                }.toMap()
+            } ?: listOf("golden" to aggregations
+                    .getObject("metric_build")
+                    .getObject("metric_samples")
+                    .getObject("buckets")
+                    .getObject("samples")
+                    .getObject("failed_count")
+                    .getPrimitive("value")
+                    .int
+            ).toMap()
+        }
+    }
+
+    // Get geometric mean for benchmarks values of needed metric.
+    fun getGeometricMean(metricName: String, featureValue: String = "",
+                         buildNumbers: Iterable<String>? = null, normalize: Boolean = false,
+                         excludeNames: List<String> = emptyList()): Promise<List<Pair<String, List<Double>>>> {
+        // Filter only with metric or also with names.
+        val filterBenchmarks = if (excludeNames.isEmpty())
+            """
+            "match": { "benchmarks.metric": "$metricName" }
+            """
+        else """
+            "bool": { 
+                "must": { "match": { "benchmarks.metric": "$metricName" } },
+                "must_not": { "terms" : { "benchmarks.name" : [${excludeNames.map { "\"$it\"" }.joinToString()}] } }
+            }
+        """.trimIndent()
+        val queryDescription = """
+            {
+                "_source": false,
+                ${featureFilter.str {
+            """
+                "query": {
+                    "bool": {
+                        "must": [ ${it(featureValue)} ]
+                    }
+                }, """
+        } }
+                ${buildNumbers.str { builds ->
+            """
+                "aggs" : {
+                    "builds": {
+                        "filters" : { 
+                            "filters": { 
+                                ${builds.map { "\"$it\": { \"match\" : { \"buildNumber\" : \"$it\" }}" }
+                    .joinToString(",\n")}
+                            }
+                        },"""
+        } }
+                    "aggs" : {
+                        "metric_build" : {
+                            "nested" : {
+                                "path" : "benchmarks"
+                            },
+                            "aggs" : {
+                                "metric_samples": {
+                                    "filters" : { 
+                                        "filters": { "samples": { $filterBenchmarks } }
+                                    },
+                                    "aggs" : {
+                                        "sum_log_x": {
+                                            "sum": {
+                                                "field" : "benchmarks.${if (normalize) "normalizedScore" else "score"}",
+                                                "script" : {
+                                                    "source": "if (_value == 0) { 0.0 } else { Math.log(_value) }"
+                                                }
+                                            }
+                                        },
+                                        "geom_mean": {
+                                            "bucket_script": {
+                                                "buckets_path": {
+                                                    "sum_log_x": "sum_log_x",
+                                                    "x_cnt": "_count"
+                                                },
+                                                "script": "Math.exp(params.sum_log_x/params.x_cnt)"
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        
+                           ${buildNumbers.str {
+            """ }
+                        }"""
+        } }
+                    }
+                }
+            }
+        """
+
+        return getIndex(featureValue).search(queryDescription, listOf("aggregations")).then { responseString ->
+            val dbResponse = JsonTreeParser.parse(responseString).jsonObject
+            val aggregations = dbResponse.getObjectOrNull("aggregations") ?: error("Wrong response:\n$responseString")
+            buildNumbers?.let {
+                val buckets = aggregations
+                        .getObjectOrNull("builds")
+                        ?.getObjectOrNull("buckets")
+                        ?: error("Wrong response:\n$responseString")
+                buildNumbers.map {
+                    it to listOf(buckets
+                            .getObject(it)
+                            .getObject("metric_build")
+                            .getObject("metric_samples")
+                            .getObject("buckets")
+                            .getObject("samples")
+                            .getObject("geom_mean")
+                            .getPrimitive("value")
+                            .double
+                    )
+                }
+            } ?: listOf("golden" to listOf(aggregations
+                    .getObject("metric_build")
+                    .getObject("metric_samples")
+                    .getObject("buckets")
+                    .getObject("samples")
+                    .getObject("geom_mean")
+                    .getPrimitive("value")
+                    .double
+                )
+            )
+        }
+    }
+}
\ No newline at end of file
diff --git a/tools/performance-server/src/main/kotlin/database/DatabaseRequests.kt b/tools/performance-server/src/main/kotlin/database/DatabaseRequests.kt
new file mode 100644
index 00000000000..04f5c97919c
--- /dev/null
+++ b/tools/performance-server/src/main/kotlin/database/DatabaseRequests.kt
@@ -0,0 +1,133 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package org.jetbrains.database
+
+import kotlin.js.Promise
+import org.jetbrains.elastic.*
+import org.jetbrains.utils.*
+import org.jetbrains.report.json.*
+import org.jetbrains.report.*
+
+// Delete build information from ES index.
+internal fun deleteBuildInfo(agentInfo: String, buildInfoIndex: ElasticSearchIndex,
+                             buildNumber: String? = null): Promise<String> {
+    val queryDescription = """
+            {
+                "query": {
+                    "bool": {
+                        "must": [ 
+                            { "match": { "agentInfo": "$agentInfo" } }
+                            ${buildNumber?.let {
+        """,
+                            {"match": { "buildNumber": "$it" }}
+                            """
+    } ?: ""}
+                        ]
+                    }
+                }
+            }
+        """.trimIndent()
+    return buildInfoIndex.delete(queryDescription)
+}
+
+// Get infromation about builds details from database.
+internal fun getBuildsDescription(type: String?, branch: String?, agentInfo: String, buildInfoIndex: ElasticSearchIndex,
+                                  onlyNumbers: Boolean = false): Promise<JsonArray> {
+    val queryDescription = """
+            {   "size": 10000,
+                ${if (onlyNumbers) """"_source": ["buildNumber"],""" else ""}
+                "sort": {"_id": "desc" },
+                "query": {
+                    "bool": {
+                        "must": [ 
+                            { "match": { "agentInfo": "$agentInfo" } }
+                            ${type?.let {
+        """,
+                            { "regexp": { "buildNumber": { "value": "${if (it == "release")
+            ".*eap.*|.*release.*|.*rc.*" else ".*dev.*"}" } } 
+                            }
+                            """
+    } ?: ""} 
+                            ${branch?.let {
+        """,
+                            {"match": { "branch": "$it" }}
+                            """
+    } ?: ""}
+                        ]
+                    }
+                }
+            }
+        """.trimIndent()
+    return buildInfoIndex.search(queryDescription, listOf("hits.hits._source")).then { responseString ->
+        val dbResponse = JsonTreeParser.parse(responseString).jsonObject
+        dbResponse.getObjectOrNull("hits")?.getArrayOrNull("hits") ?: error("Wrong response:\n$responseString")
+    }
+}
+
+// Check if current build already exists.
+suspend fun buildExists(buildInfo: BuildInfo, buildInfoIndex: ElasticSearchIndex): Boolean {
+    val queryDescription = """
+            {   "size": 1,
+               "_source": ["buildNumber"],
+                "query": {
+                    "bool": {
+                        "must": [ 
+                            { "match": { "buildNumber": "${buildInfo.buildNumber}" } },
+                            { "match": { "agentInfo": "${buildInfo.agentInfo}" } },
+                            { "match": { "branch": "${buildInfo.branch}" } }
+                        ]
+                    }
+                }
+            }
+        """.trimIndent()
+
+    return buildInfoIndex.search(queryDescription, listOf("hits.total.value")).then { responseString ->
+        val response = JsonTreeParser.parse(responseString).jsonObject
+        val value = response.getObjectOrNull("hits")?.getObjectOrNull("total")?.getPrimitiveOrNull("value")?.content
+                ?: error("Error response from ElasticSearch:\n$responseString")
+        value.toInt() > 0
+    }.await()
+}
+
+// Get builds numbers corresponding to machine and branch.
+fun getBuildsNumbers(type: String?, branch: String?, agentInfo: String, buildInfoIndex: ElasticSearchIndex) =
+        getBuildsDescription(type, branch, agentInfo, buildInfoIndex, true).then { responseArray ->
+            responseArray.map { (it as JsonObject).getObject("_source").getPrimitive("buildNumber").content }
+        }
+
+// Get full builds information corresponding to machine and branch.
+fun getBuildsInfo(type: String?, branch: String?, agentInfo: String, buildInfoIndex: ElasticSearchIndex) =
+        getBuildsDescription(type, branch, agentInfo, buildInfoIndex).then { responseArray ->
+            responseArray.map { BuildInfo.create((it as JsonObject).getObject("_source")) }
+        }
+
+// Get golden results from database.
+fun getGoldenResults(goldenResultsIndex: GoldenResultsIndex): Promise<Map<String, List<BenchmarkResult>>> {
+    return goldenResultsIndex.search("", listOf("hits.hits._source")).then { responseString ->
+        val dbResponse = JsonTreeParser.parse(responseString).jsonObject
+        dbResponse.getObjectOrNull("hits")?.getArrayOrNull("hits")?.map {
+            val reportDescription = (it as JsonObject).getObject("_source")
+            BenchmarksReport.create(reportDescription).benchmarks
+        }?.reduce { acc, it -> acc + it } ?: error("Wrong format of response:\n $responseString")
+    }
+}
+
+// Get distinct values for needed field from database.
+fun distinctValues(field: String, index: ElasticSearchIndex): Promise<List<String>> {
+    val queryDescription = """
+            {
+              "aggs": {
+                    "unique": {"terms": {"field": "$field", "size": 1000}}
+                }
+            }
+        """.trimIndent()
+    return index.search(queryDescription, listOf("aggregations.unique.buckets")).then { responseString ->
+        val dbResponse = JsonTreeParser.parse(responseString).jsonObject
+        dbResponse.getObjectOrNull("aggregations")?.getObjectOrNull("unique")?.getArrayOrNull("buckets")
+                ?.map { (it as JsonObject).getPrimitiveOrNull("key")?.content }?.filterNotNull()
+                ?: error("Wrong response:\n$responseString")
+    }
+}
\ No newline at end of file
diff --git a/tools/performance-server/src/main/kotlin/network/CachableResponseDispatcher.kt b/tools/performance-server/src/main/kotlin/network/CachableResponseDispatcher.kt
new file mode 100644
index 00000000000..ee86444bfe2
--- /dev/null
+++ b/tools/performance-server/src/main/kotlin/network/CachableResponseDispatcher.kt
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+@file:OptIn(ExperimentalTime::class)
+
+package org.jetbrains.network
+
+import kotlin.js.Promise            // TODO - migrate to multiplatform.
+import kotlin.time.*
+
+// Response saved in cache.
+data class CachedResponse(val cachedResult: Any, val time: TimeMark)
+
+// Dispatcher for work with cachable responses.
+object CachableResponseDispatcher {
+    // Storage of cached responses.
+    private val cachedResponses = mutableMapOf<String, CachedResponse>()
+
+    // Get response. If response isn't cached, use provided action to get response.
+    fun getResponse(request: dynamic, response: dynamic,
+                    action: (success: (result: Any) -> Unit, reject: () -> Unit) -> Unit) {
+        cachedResponses[request.url]?.let {
+            // Update cache value if needed. Update only if last result was get later than 2 minutes.
+            if (it.time.elapsedNow().inMinutes > 2.0) {
+                println("Cache update for ${request.url}...")
+                action({ result: Any ->
+                    cachedResponses[request.url] = CachedResponse(result, TimeSource.Monotonic.markNow())
+                }, { println("Cache update for ${request.url} failed!") })
+            }
+            response.json(it.cachedResult)
+        } ?: run {
+            action({ result: Any ->
+                cachedResponses[request.url] = CachedResponse(result, TimeSource.Monotonic.markNow())
+                response.json(result)
+            }, { response.sendStatus(400) })
+        }
+    }
+
+    fun clear(): Unit {
+        cachedResponses.clear()
+    }
+}
\ No newline at end of file
diff --git a/tools/performance-server/src/main/kotlin/network/aws/AWSNetworkUtils.kt b/tools/performance-server/src/main/kotlin/network/aws/AWSNetworkUtils.kt
new file mode 100644
index 00000000000..2e4ad8398a6
--- /dev/null
+++ b/tools/performance-server/src/main/kotlin/network/aws/AWSNetworkUtils.kt
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package org.jetbrains.network
+
+import kotlin.js.Promise            // TODO - migrate to multiplatform.
+import kotlin.js.json               // TODO - migrate to multiplatform.
+import kotlin.js.Date
+import org.jetbrains.report.json.*
+
+// Placeholder as analog for indexable type in TS.
+external interface `T$0` {
+    @nativeGetter
+    operator fun get(key: String): String?
+
+    @nativeSetter
+    operator fun set(key: String, value: String)
+}
+
+@JsModule("aws-sdk")
+@JsNonModule
+external object AWSInstance {
+
+    // Replace dynamic with some real type
+    class Endpoint(domain: String)
+    open class HttpRequest(endpoint: Endpoint, region: String) {
+        open fun pathname(): String
+        open var search: String
+        open var body: String?
+        open var endpoint: Endpoint
+        open var headers: `T$0`
+        open var method: String
+        open var path: String
+    }
+
+    class HttpClient() {
+        val handleRequest: dynamic
+    }
+
+    class SharedIniFileCredentials(options: Map<String, String>) {
+        val accessKeyId: String
+    }
+
+    class Signers() {
+        class V4(request: HttpRequest, subsystem: String) {
+            fun addAuthorization(credentials: SharedIniFileCredentials, date: Date)
+        }
+    }
+}
+
+// Network connector to work with AWS resources.
+class AWSNetworkConnector : NetworkConnector() {
+    val AWSDomain = "vpc-kotlin-perf-service-5e6ldakkdv526ii5hbclzcmpny.eu-west-1.es.amazonaws.com"
+    val AWSRegion = "eu-west-1"
+
+    override fun <T : String?> sendBaseRequest(method: RequestMethod, path: String, user: String?, password: String?,
+                                               acceptJsonContentType: Boolean, body: String?,
+                                               errorHandler: (url: String, response: dynamic) -> Nothing?): Promise<T> {
+        val AWSEndpoint = AWSInstance.Endpoint(AWSDomain)
+        var request = AWSInstance.HttpRequest(AWSEndpoint, AWSRegion)
+        request.method = method.toString()
+        request.path += path
+        request.body = body
+
+        request.headers["host"] = this.AWSDomain
+
+        if (acceptJsonContentType) {
+            request.headers["Content-Type"] = "application/json"
+            request.headers["Content-Length"] = js("Buffer").byteLength(request.body)
+        }
+
+        val credentials = AWSInstance.SharedIniFileCredentials(mapOf<String, String>())
+        val signer = AWSInstance.Signers.V4(request, "es")
+        signer.addAuthorization(credentials, Date())
+
+        val client = AWSInstance.HttpClient()
+        return Promise { resolve, reject ->
+            client.handleRequest(request, null, { response ->
+                var responseBody = ""
+                response.on("data") { chunk ->
+                    responseBody += chunk
+                    chunk
+                }
+                response.on("end") { _ ->
+                    val dbResponse = JsonTreeParser.parse(responseBody).jsonObject
+                    // Response can fail and return 400 error for ES.
+                    if (dbResponse.getPrimitiveOrNull("status")?.let { it.content != "200" } ?: false) {
+                        println(dbResponse)
+                        val errorMessage = dbResponse.getObject("error").toString()
+                        reject(Throwable(errorMessage))
+                    }
+                    resolve(responseBody as T)
+                }
+            }, { error ->
+                reject(error)
+            })
+        }
+    }
+}
\ No newline at end of file
diff --git a/tools/performance-server/src/main/kotlin/routes/route.kt b/tools/performance-server/src/main/kotlin/routes/route.kt
index 17480d5fde9..5134e238d5e 100644
--- a/tools/performance-server/src/main/kotlin/routes/route.kt
+++ b/tools/performance-server/src/main/kotlin/routes/route.kt
@@ -1,330 +1,551 @@
 /*
- * Copyright 2010-2019 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
 import org.w3c.xhr.*
 import kotlin.js.json
 import kotlin.js.Date
+import kotlin.js.Promise
+import org.jetbrains.database.*
 import org.jetbrains.report.json.*
-import org.jetbrains.build.Build
+import org.jetbrains.elastic.*
+import org.jetbrains.network.*
+import org.jetbrains.buildInfo.Build
+import org.jetbrains.analyzer.*
+import org.jetbrains.report.*
+import org.jetbrains.utils.*
+
+// TODO - create DSL for ES requests?
 
 const val teamCityUrl = "https://buildserver.labs.intellij.net/app/rest"
 const val artifactoryUrl = "https://repo.labs.intellij.net/kotlin-native-benchmarks"
-const val buildsFileName = "buildsSummary.csv"
-const val goldenResultsFileName = "goldenResults.csv"
-const val artifactoryBuildsDirectory = "builds"
-const val buildsInfoPartsNumber = 11
 
 operator fun <K, V> Map<K, V>?.get(key: K) = this?.get(key)
 
 fun getArtifactoryHeader(artifactoryApiKey: String) = Pair("X-JFrog-Art-Api", artifactoryApiKey)
 
-// Local cache for saving information about builds got from Artifactory.
-object LocalCache {
-    private val knownTargets = listOf("Linux", "MacOSX", "Windows10")
-    private val buildsInfo = mutableMapOf<String, MutableMap<String, String>>()
-
-    fun clean(onlyTarget: String? = null) {
-        onlyTarget?.let {
-            buildsInfo[onlyTarget]?.clear()
-        } ?: buildsInfo.clear()
+// Convert saved old report to expected new format.
+internal fun convertToNewFormat(data: JsonObject): List<Any> {
+    val env = Environment.create(data.getRequiredField("env"))
+    val benchmarksObj = data.getRequiredField("benchmarks")
+    val compilerDescription = data.getRequiredField("kotlin")
+    val compiler = Compiler.create(compilerDescription)
+    val backend = (compilerDescription as JsonObject).getRequiredField("backend")
+    val flagsArray = (backend as JsonObject).getOptionalField("flags")
+    var flags: List<String> = emptyList()
+    if (flagsArray != null && flagsArray is JsonArray) {
+        flags = flagsArray.jsonArray.map { (it as JsonLiteral).unquoted() }
     }
+    val benchmarksList = parseBenchmarksArray(benchmarksObj)
 
-    fun fill(onlyTarget: String? = null) {
-        onlyTarget?.let {
-            val buildsDescription = getBuildsInfoFromArtifactory(onlyTarget).lines().drop(1)
-            buildsInfo[onlyTarget] = mutableMapOf<String, String>()
-            buildsDescription.forEach {
-                if (!it.isEmpty()) {
-                    val buildNumber = it.substringBefore(',')
-                    if (!"\\d+(\\.\\d+)+(-M\\d)?-\\w+-\\d+".toRegex().matches(buildNumber)) {
-                        error("Build number $buildNumber differs from expected format. File with data for " +
-                                "target $onlyTarget could be corrupted.")
-                    }
-                    buildsInfo[onlyTarget]!![buildNumber] = it
-                }
-            }
-        } ?: run {
-            knownTargets.forEach {
-                fill(it)
-            }
-        }
-    }
-
-    fun buildExists(target: String, buildNumber: String) =
-            buildsInfo[target][buildNumber]?.let { true } ?: false
-
-    fun delete(target: String, builds: Iterable<String>, apiKey: String): Boolean {
-        // Delete from Artifactory.
-        val buildsDescription = getBuildsInfoFromArtifactory(target).lines()
-
-        val newBuildsDescription = buildsDescription.filter {
-            val buildNumber = it.substringBefore(',')
-            buildNumber !in builds
-        }
-        if (newBuildsDescription.size < buildsDescription.size) {
-            // Upload new version of file.
-            val uploadUrl = "$artifactoryUrl/$artifactoryBuildsDirectory/$target/$buildsFileName"
-            sendUploadRequest(uploadUrl, newBuildsDescription.joinToString("\n"),
-                    extraHeaders = listOf(getArtifactoryHeader(apiKey)))
-
-            // Reload values.
-            clean(target)
-            fill(target)
-            return true
-        }
-        return false
-    }
-
-    private fun getBuilds(target: String, buildNumber: String? = null) =
-            buildsInfo[target]?.let { buildsList ->
-                buildNumber?.let {
-                    // Check if interesting build id is in cache.
-                    buildsList[it]?.let { buildsList.values }
-                } ?: buildsList.values
-            }
-
-    operator fun get(target: String, buildId: String? = null): Collection<String> {
-        val builds = getBuilds(target, buildId)
-
-        if (builds.isNullOrEmpty()) {
-            // No suitable builds were found.
-            // Refill cache.
-            clean(target)
-            fill(target)
-            return getBuilds(target, buildId) ?: listOf<String>()
-        }
-
-        return builds
-    }
+    return listOf(env, compiler, benchmarksList, flags)
 }
 
+// Convert data results to expected format.
+internal fun convert(json: String, buildNumber: String, target: String): List<BenchmarksReport> {
+    val data = JsonTreeParser.parse(json)
+    val reports = if (data is JsonArray) {
+        data.map { convertToNewFormat(it as JsonObject) }
+    } else listOf(convertToNewFormat(data as JsonObject))
+
+    // Restored flags for old reports.
+    val knownFlags = mapOf(
+            "Cinterop" to listOf("-opt"),
+            "FrameworkBenchmarksAnalyzer" to listOf("-g"),
+            "HelloWorld" to if (target == "Mac OS X")
+                listOf("-Xcache-directory=/Users/teamcity/buildAgent/work/c104dee5223a31c5/test_dist/klib/cache/macos_x64-gSTATIC", "-g")
+            else listOf("-g"),
+            "Numerical" to listOf("-opt"),
+            "ObjCInterop" to listOf("-opt"),
+            "Ring" to listOf("-opt"),
+            "Startup" to listOf("-opt"),
+            "swiftInterop" to listOf("-opt"),
+            "Videoplayer" to if (target == "Mac OS X")
+                listOf("-Xcache-directory=/Users/teamcity/buildAgent/work/c104dee5223a31c5/test_dist/klib/cache/macos_x64-gSTATIC", "-g")
+            else listOf("-g")
+    )
+
+    return reports.map { elements ->
+        val benchmarks = (elements[2] as List<BenchmarkResult>).groupBy { it.name.substringBefore('.').substringBefore(':') }
+        val parsedFlags = elements[3] as List<String>
+        benchmarks.map { (setName, results) ->
+            val flags = if (parsedFlags.isNotEmpty() && parsedFlags[0] == "-opt") knownFlags[setName]!! else parsedFlags
+            val savedCompiler = elements[1] as Compiler
+            val compiler = Compiler(Compiler.Backend(savedCompiler.backend.type, savedCompiler.backend.version, flags),
+                    savedCompiler.kotlinVersion)
+            val newReport = BenchmarksReport(elements[0] as Environment, results, compiler)
+            newReport.buildNumber = buildNumber
+            newReport
+        }
+    }.flatten()
+}
+
+// Golden result value used to get normalized results.
 data class GoldenResult(val benchmarkName: String, val metric: String, val value: Double)
-data class GoldenResultsInfo(val apiKey: String, val goldenResults: Array<GoldenResult>)
+data class GoldenResultsInfo(val goldenResults: Array<GoldenResult>)
+
+// Convert information about golden results to benchmarks report format.
+fun GoldenResultsInfo.toBenchmarksReport(): BenchmarksReport {
+    val benchmarksSamples = goldenResults.map {
+        BenchmarkResult(it.benchmarkName, BenchmarkResult.Status.PASSED,
+                it.value, BenchmarkResult.metricFromString(it.metric)!!, it.value, 1, 0)
+    }
+    val compiler = Compiler(Compiler.Backend(Compiler.BackendType.NATIVE, "golden", emptyList()), "golden")
+    val environment = Environment(Environment.Machine("golden", "golden"), Environment.JDKInstance("golden", "golden"))
+    return BenchmarksReport(environment,
+            benchmarksSamples, compiler)
+}
 
 // Build information provided from request.
-data class BuildInfo(val buildNumber: String, val branch: String, val startTime: String,
-                     val finishTime: String)
+data class TCBuildInfo(val buildNumber: String, val branch: String, val startTime: String,
+                       val finishTime: String)
 
 data class BuildRegister(val buildId: String, val teamCityUser: String, val teamCityPassword: String,
-                    val artifactoryApiKey: String, val target: String, val buildType: String, val failuresNumber: Int,
-                    val executionTime: String, val compileTime: String, val codeSize: String,
-                    val bundleSize: String?) {
+                         val bundleSize: String?, val fileWithResult: String) {
     companion object {
         fun create(json: String): BuildRegister {
             val requestDetails = JSON.parse<BuildRegister>(json)
             // Parse method doesn't create real instance with all methods. So create it by hands.
             return BuildRegister(requestDetails.buildId, requestDetails.teamCityUser, requestDetails.teamCityPassword,
-                    requestDetails.artifactoryApiKey, requestDetails.target, requestDetails.buildType,
-                    requestDetails.failuresNumber, requestDetails.executionTime, requestDetails.compileTime,
-                    requestDetails.codeSize, requestDetails.bundleSize)
+                    requestDetails.bundleSize, requestDetails.fileWithResult)
         }
     }
 
-    private val teamCityBuildUrl: String by lazy { "$teamCityUrl/builds/id:$buildId" }
+    private val teamCityBuildUrl: String by lazy { "builds/id:$buildId" }
 
     val changesListUrl: String by lazy {
-        "$teamCityUrl/changes/?locator=build:id:$buildId"
+        "changes/?locator=build:id:$buildId"
     }
 
-    private fun sendTeamCityRequest(url: String) = sendGetRequest(url, teamCityUser, teamCityPassword)
+    val teamCityArtifactsUrl: String by lazy { "builds/id:$buildId/artifacts/content/$fileWithResult" }
+
+    fun sendTeamCityRequest(url: String, json: Boolean = false) =
+            UrlNetworkConnector(teamCityUrl).sendRequest(RequestMethod.GET, url, teamCityUser, teamCityPassword, json)
 
     private fun format(timeValue: Int): String =
             if (timeValue < 10) "0$timeValue" else "$timeValue"
 
-    fun getBuildInformation(): BuildInfo {
-        val buildNumber = sendTeamCityRequest("$teamCityBuildUrl/number")
-        val branch = sendTeamCityRequest("$teamCityBuildUrl/branchName")
-        val startTime = sendTeamCityRequest("$teamCityBuildUrl/startDate")
-        val currentTime = Date()
-        val timeZone = currentTime.getTimezoneOffset() / -60    // Convert to hours.
-        // Get finish time as current time, because buid on TeamCity isn't finished.
-        val finishTime = "${format(currentTime.getUTCFullYear())}" +
-                "${format(currentTime.getUTCMonth() + 1)}" +
-                "${format(currentTime.getUTCDate())}" +
-                "T${format(currentTime.getUTCHours())}" +
-                "${format(currentTime.getUTCMinutes())}" +
-                "${format(currentTime.getUTCSeconds())}" +
-                "${if (timeZone > 0) "+" else "-"}${format(timeZone)}${format(0)}"
-        return BuildInfo(buildNumber, branch, startTime, finishTime)
-    }
-}
-
-data class Commit(val revision: String, val developer: String)
-
-// List of commits.
-class CommitsList(data: JsonElement): ConvertedFromJson {
-
-    val commits: List<Commit>
-
-    init {
-        if (data !is JsonObject) {
-            error("Commits description is expected to be a json object!")
-        }
-        val changesElement = data.getOptionalField("change")
-        commits = changesElement?.let {
-            if (changesElement !is JsonArray) {
-                error("Change field is expected to be an array. Please, check source.")
-            }
-            changesElement.jsonArray.map {
-                with(it as JsonObject) {
-                    Commit(elementToString(getRequiredField("version"), "version"),
-                            elementToString(getRequiredField("username"), "username")
-                    )
-                }
-            }
-        } ?: listOf<Commit>()
-    }
-}
-
-fun getBuildsInfoFromArtifactory(target: String) =
-        sendGetRequest("$artifactoryUrl/$artifactoryBuildsDirectory/$target/$buildsFileName")
-
-fun checkBuildType(currentType: String, targetType: String): Boolean {
-    val releasesBuildTypes = listOf("release", "eap", "rc1", "rc2")
-    return if (targetType == "release") currentType in releasesBuildTypes else currentType == targetType
-}
-
-// Parse  and postprocess result of response with build description.
-fun prepareBuildsResponse(builds: Collection<String>, type: String, branch: String, buildNumber: String? = null): List<Build> {
-    val buildsObjects = mutableListOf<Build>()
-    builds.forEach {
-        val tokens = buildDescriptionToTokens(it)
-        if ((checkBuildType(tokens[5], type) || type == "day") && (branch == tokens[3] || branch == "all")
-                || tokens[0] == buildNumber) {
-            buildsObjects.add(Build(tokens[0], tokens[1], tokens[2], tokens[3],
-                    tokens[4], tokens[5], tokens[6].toInt(), tokens[7], tokens[8], tokens[9],
-                    if (tokens[10] == "-") null else tokens[10]))
+    fun getBuildInformation(): Promise<TCBuildInfo> {
+        return Promise.all(arrayOf(sendTeamCityRequest("$teamCityBuildUrl/number"),
+                sendTeamCityRequest("$teamCityBuildUrl/branchName"),
+                sendTeamCityRequest("$teamCityBuildUrl/startDate"))).then { results ->
+            val (buildNumber, branch, startTime) = results
+            val currentTime = Date()
+            val timeZone = currentTime.getTimezoneOffset() / -60    // Convert to hours.
+            // Get finish time as current time, because buid on TeamCity isn't finished.
+            val finishTime = "${format(currentTime.getUTCFullYear())}" +
+                    "${format(currentTime.getUTCMonth() + 1)}" +
+                    "${format(currentTime.getUTCDate())}" +
+                    "T${format(currentTime.getUTCHours())}" +
+                    "${format(currentTime.getUTCMinutes())}" +
+                    "${format(currentTime.getUTCSeconds())}" +
+                    "${if (timeZone > 0) "+" else "-"}${format(timeZone)}${format(0)}"
+            TCBuildInfo(buildNumber, branch, startTime, finishTime)
         }
     }
-    return buildsObjects
 }
 
-fun buildDescriptionToTokens(buildDescription: String): List<String> {
-    val tokens = buildDescription.split(",").map { it.trim() }
-    if (tokens.size != buildsInfoPartsNumber) {
-        error("Build description $buildDescription doesn't contain all necessary information. " +
-                "File with data could be corrupted.")
-    }
-    return tokens
-}
+// Get builds numbers in right order.
+internal fun <T> orderedValues(values: List<T>, buildElement: (T) -> String = { it -> it.toString() },
+                      skipMilestones: Boolean = false) =
+        values.sortedWith(
+                compareBy({ buildElement(it).substringBefore(".").toInt() },
+                        { buildElement(it).substringAfter(".").substringBefore("-").toDouble() },
+                        {
+                            if (skipMilestones) 0
+                            else if (buildElement(it).substringAfter("-").startsWith("M"))
+                                buildElement(it).substringAfter("M").substringBefore("-").toInt()
+                            else
+                                Int.MAX_VALUE
+                        },
+                        { buildElement(it).substringAfterLast("-").toDouble() }
+                )
+        )
+
+// ElasticSearch connector for work with custom instance.
+internal val localHostElasticConnector = UrlNetworkConnector("http://localhost", 9200)
+// ElasticSearch connector for work with AWS instance.
+internal val awsElasticConnector = AWSNetworkConnector()
+internal val networkConnector = awsElasticConnector
+
+fun urlParameterToBaseFormat(value: dynamic) =
+        value.toString().replace("_", " ")
 
 // Routing of requests to current server.
 fun router() {
     val express = require("express")
     val router = express.Router()
+    val connector = ElasticSearchConnector(networkConnector)
+    val benchmarksDispatcher = BenchmarksIndexesDispatcher(connector, "env.machine.os",
+            listOf("Linux", "Mac OS X", "Windows 10")
+    )
+    val goldenIndex = GoldenResultsIndex(connector)
+    val buildInfoIndex = BuildInfoIndex(connector)
+
+    router.get("/createMapping") { request, response ->
+        buildInfoIndex.createMapping().then { _ ->
+            response.sendStatus(200)
+        }.catch { _ ->
+            response.sendStatus(400)
+        }
+    }
+
+    // Get consistent build information in cases of rerunning the same build.
+    suspend fun getConsistentBuildInfo(buildInfoInstance: BuildInfo, reports: List<BenchmarksReport>,
+                                       rerunNumber: Int = 1): BuildInfo {
+        var currentBuildInfo = buildInfoInstance
+        if (buildExists(currentBuildInfo, buildInfoIndex)) {
+            // Check if benchmarks aren't repeated.
+            val existingBecnhmarks = benchmarksDispatcher.getBenchmarksList(currentBuildInfo.buildNumber,
+                    currentBuildInfo.agentInfo).await()
+            val benchmarksToRegister = reports.map { it.benchmarks.keys }.flatten()
+            if (existingBecnhmarks.toTypedArray().intersect(benchmarksToRegister).isNotEmpty()) {
+                // Build was rerun.
+                val buildNumber = "${currentBuildInfo.buildNumber}.$rerunNumber"
+                currentBuildInfo = BuildInfo(buildNumber, currentBuildInfo.startTime, currentBuildInfo.endTime,
+                        currentBuildInfo.commitsList, currentBuildInfo.branch, currentBuildInfo.agentInfo)
+                return getConsistentBuildInfo(currentBuildInfo, reports, rerunNumber + 1)
+            }
+        }
+        return currentBuildInfo
+    }
 
     // Register build on Artifactory.
-    router.post("/register", { request, response ->
-        val maxCommitsNumber = 5
+    router.post("/register") { request, response ->
         val register = BuildRegister.create(JSON.stringify(request.body))
 
         // Get information from TeamCity.
-        val buildInfo = register.getBuildInformation()
-        val changes = sendGetRequest(register.changesListUrl, register.teamCityUser,
-                register.teamCityPassword, true)
-        val commitsList = CommitsList(JsonTreeParser.parse(changes))
-        val commitsDescription = buildString {
-            if (commitsList.commits.size > maxCommitsNumber) {
-                append("${commitsList.commits.get(0).revision} by ${commitsList.commits.get(0).developer};")
-                append("${commitsList.commits.get(1).revision} by ${commitsList.commits.get(1).developer};")
-                append("...;")
-                val beforeLast = commitsList.commits.lastIndex - 1
-                append("${commitsList.commits.get(beforeLast).revision} by ${commitsList.commits.get(beforeLast).developer};")
-                append("${commitsList.commits.last().revision} by ${commitsList.commits.last().developer};")
-            } else {
-                commitsList.commits.forEach {
-                    append("${it.revision} by ${it.developer};")
+        register.getBuildInformation().then { buildInfo ->
+            register.sendTeamCityRequest(register.changesListUrl, true).then { changes ->
+                val commitsList = CommitsList(JsonTreeParser.parse(changes))
+                // Get artifact.
+                register.sendTeamCityRequest(register.teamCityArtifactsUrl).then { resultsContent ->
+                    launch {
+                        val reportData = JsonTreeParser.parse(resultsContent)
+                        val reports = if (reportData is JsonArray) {
+                            reportData.map { BenchmarksReport.create(it as JsonObject) }
+                        } else listOf(BenchmarksReport.create(reportData as JsonObject))
+                        val goldenResultPromise = getGoldenResults(goldenIndex)
+                        val goldenResults = goldenResultPromise.await()
+                        // Register build information.
+                        var buildInfoInstance = getConsistentBuildInfo(
+                                BuildInfo(buildInfo.buildNumber, buildInfo.startTime, buildInfo.finishTime,
+                                        commitsList, buildInfo.branch, reports[0].env.machine.os),
+                                reports
+                        )
+                        if (register.bundleSize != null) {
+                            // Add bundle size.
+                            val bundleSizeBenchmark = BenchmarkResult("KotlinNative",
+                                    BenchmarkResult.Status.PASSED, register.bundleSize.toDouble(),
+                                    BenchmarkResult.Metric.BUNDLE_SIZE, 0.0, 1, 0)
+                            val bundleSizeReport = BenchmarksReport(reports[0].env,
+                                    listOf(bundleSizeBenchmark), reports[0].compiler)
+                            bundleSizeReport.buildNumber = buildInfoInstance.buildNumber
+                            benchmarksDispatcher.insert(bundleSizeReport, reports[0].env.machine.os).then { _ ->
+                                println("[BUNDLE] Success insert ${buildInfoInstance.buildNumber}")
+                            }.catch { errorResponse ->
+                                println("Failed to insert data for build")
+                                println(errorResponse)
+                            }
+                        }
+                        val insertResults = reports.map {
+                            val benchmarksReport = SummaryBenchmarksReport(it).getBenchmarksReport()
+                                    .normalizeBenchmarksSet(goldenResults)
+                            benchmarksReport.buildNumber = buildInfoInstance.buildNumber
+                            // Save results in database.
+                            benchmarksDispatcher.insert(benchmarksReport, benchmarksReport.env.machine.os)
+                        }
+                        if (!buildExists(buildInfoInstance, buildInfoIndex)) {
+                            buildInfoIndex.insert(buildInfoInstance).then { _ ->
+                                println("Success insert build information for ${buildInfoInstance.buildNumber}")
+                            }.catch {
+                                response.sendStatus(400)
+                            }
+                        }
+                        Promise.all(insertResults.toTypedArray()).then { _ ->
+                            response.sendStatus(200)
+                        }.catch {
+                            response.sendStatus(400)
+                        }
+                    }
                 }
             }
         }
-
-        // Get summary file from Artifactory.
-        var buildsDescription = getBuildsInfoFromArtifactory(register.target)
-        // Add information about new build.
-        //var buildsDescription = "build, start time, finish time, branch, commits, type, failuresNumber, execution time, compile time, code size, bundle size\n"
-        buildsDescription += "${buildInfo.buildNumber}, ${buildInfo.startTime}, ${buildInfo.finishTime}, " +
-                "${buildInfo.branch}, $commitsDescription, ${register.buildType}, ${register.failuresNumber}, " +
-                "${register.executionTime}, ${register.compileTime}, ${register.codeSize}, " +
-                "${register.bundleSize ?: "-"}\n"
-
-        // Upload new version of file.
-        val uploadUrl = "$artifactoryUrl/$artifactoryBuildsDirectory/${register.target}/${buildsFileName}"
-        sendUploadRequest(uploadUrl, buildsDescription, extraHeaders = listOf(getArtifactoryHeader(register.artifactoryApiKey)))
-
-        LocalCache.clean(register.target)
-        LocalCache.fill(register.target)
-
-        // Send response.
-        response.sendStatus(200)
-    })
+    }
 
     // Register golden results to normalize on Artifactory.
     router.post("/registerGolden", { request, response ->
-        val goldenResultsInfo = JSON.parse<GoldenResultsInfo>(JSON.stringify(request.body))
-        val buildsDescription = StringBuilder(sendGetRequest("$artifactoryUrl/$artifactoryBuildsDirectory/$goldenResultsFileName"))
-        goldenResultsInfo.goldenResults.forEach {
-            buildsDescription.append("${it.benchmarkName}, ${it.metric}, ${it.value}\n")
+        val goldenResultsInfo: GoldenResultsInfo = JSON.parse<GoldenResultsInfo>(JSON.stringify(request.body))
+        val goldenReport = goldenResultsInfo.toBenchmarksReport()
+        goldenIndex.insert(goldenReport).then { _ ->
+            response.sendStatus(200)
+        }.catch {
+            response.sendStatus(400)
         }
-        // Upload new version of file.
-        val uploadUrl = "$artifactoryUrl/$artifactoryBuildsDirectory/$goldenResultsFileName"
-        sendUploadRequest(uploadUrl, buildsDescription.toString(),
-                extraHeaders = listOf(getArtifactoryHeader(goldenResultsInfo.apiKey)))
-        // Send response.
-        response.sendStatus(200)
     })
 
-    // Get list of builds.
-    router.get("/builds/:target/:type/:branch/:id", { request, response ->
-        val builds = LocalCache[request.params.target, request.params.id]
-        response.json(prepareBuildsResponse(builds, request.params.type, request.params.branch, request.params.id))
+    // Get builds description with additional information.
+    router.get("/buildsDesc/:target", { request, response ->
+        CachableResponseDispatcher.getResponse(request, response) { success, reject ->
+            val target = request.params.target.toString().replace('_', ' ')
+
+            var branch: String? = null
+            var type: String? = null
+            if (request.query != undefined) {
+                if (request.query.branch != undefined) {
+                    branch = request.query.branch
+                }
+                if (request.query.type != undefined) {
+                    type = request.query.type
+                }
+            }
+
+            getBuildsInfo(type, branch, target, buildInfoIndex).then { buildsInfo ->
+                val buildNumbers = buildsInfo.map { it.buildNumber }
+                // Get number of failed benchmarks for each build.
+                benchmarksDispatcher.getFailuresNumber(target, buildNumbers).then { failures ->
+                    success(orderedValues(buildsInfo, { it -> it.buildNumber }, branch == "master").map {
+                        Build(it.buildNumber, it.startTime, it.endTime, it.branch,
+                                it.commitsList.serializeFields(), failures[it.buildNumber] ?: 0)
+                    })
+                }.catch { errorResponse ->
+                    println("Error during getting failures numbers")
+                    println(errorResponse)
+                    reject()
+                }
+            }.catch {
+                reject()
+            }
+        }
     })
 
-    router.get("/builds/:target/:type/:branch", { request, response ->
-        val builds = LocalCache[request.params.target]
-        response.json(prepareBuildsResponse(builds, request.params.type, request.params.branch))
+    // Get values of current metric.
+    router.get("/metricValue/:target/:metric", { request, response ->
+        CachableResponseDispatcher.getResponse(request, response) { success, reject ->
+            val metric = request.params.metric
+            val target = request.params.target.toString().replace('_', ' ')
+            var samples: List<String> = emptyList()
+            var aggregation = "geomean"
+            var normalize = false
+            var branch: String? = null
+            var type: String? = null
+            var excludeNames: List<String> = emptyList()
+
+            // Parse parameters from request if it exists.
+            if (request.query != undefined) {
+                if (request.query.samples != undefined) {
+                    samples = request.query.samples.toString().split(",").map { it.trim() }
+                }
+                if (request.query.agr != undefined) {
+                    aggregation = request.query.agr.toString()
+                }
+                if (request.query.normalize != undefined) {
+                    normalize = true
+                }
+                if (request.query.branch != undefined) {
+                    branch = request.query.branch
+                }
+                if (request.query.type != undefined) {
+                    type = request.query.type
+                }
+                if (request.query.exclude != undefined) {
+                    excludeNames = request.query.exclude.toString().split(",").map { it.trim() }
+                }
+            }
+
+            getBuildsNumbers(type, branch, target, buildInfoIndex).then { buildNumbers ->
+                if (aggregation == "geomean") {
+                    // Get geometric mean for samples.
+                    benchmarksDispatcher.getGeometricMean(metric, target, buildNumbers, normalize,
+                            excludeNames).then { geoMeansValues ->
+                        success(orderedValues(geoMeansValues, { it -> it.first }, branch == "master"))
+                    }.catch { errorResponse ->
+                        println("Error during getting geometric mean")
+                        println(errorResponse)
+                        reject()
+                    }
+                } else {
+                    benchmarksDispatcher.getSamples(metric, target, samples, buildNumbers, normalize).then { geoMeansValues ->
+                        success(orderedValues(geoMeansValues, { it -> it.first }, branch == "master"))
+                    }.catch {
+                        println("Error during getting samples")
+                        reject()
+                    }
+                }
+            }.catch {
+                println("Error during getting builds information")
+                reject()
+            }
+        }
     })
 
-    router.get("/branches/:target", { request, response ->
-        val builds = LocalCache[request.params.target]
-        response.json(builds.map { buildDescriptionToTokens(it)[3] }.distinct())
+    // Get branches for [target].
+    router.get("/branches", { request, response ->
+        CachableResponseDispatcher.getResponse(request, response) { success, reject ->
+            distinctValues("branch", buildInfoIndex).then { results ->
+                success(results)
+            }.catch { errorMessage ->
+                error(errorMessage.message ?: "Failed getting branches list.")
+                reject()
+            }
+        }
     })
 
+    // Get build numbers for [target].
     router.get("/buildsNumbers/:target", { request, response ->
-        val builds = LocalCache[request.params.target]
-        response.json(builds.map { buildDescriptionToTokens(it)[0] }.distinct())
+        CachableResponseDispatcher.getResponse(request, response) { success, reject ->
+            distinctValues("buildNumber", buildInfoIndex).then { results ->
+                success(results)
+            }.catch { errorMessage ->
+                println(errorMessage.message ?: "Failed getting branches list.")
+                reject()
+            }
+        }
     })
 
-    router.get("/clean", { _, response ->
-        LocalCache.clean()
-        response.sendStatus(200)
-    })
+    // Conert data and migrate it from Artifactory to DB.
+    router.get("/migrate/:target", { request, response ->
+        val target = urlParameterToBaseFormat(request.params.target)
+        val targetPathName = target.replace(" ", "")
+        var buildNumber: String? = null
+        if (request.query != undefined) {
+            if (request.query.buildNumber != undefined) {
+                buildNumber = request.query.buildNumber
+            }
+        }
+        getBuildsInfoFromArtifactory(targetPathName).then { buildInfo ->
+            launch {
+                val buildsDescription = buildInfo.lines().drop(1)
+                var shouldConvert = buildNumber?.let { false } ?: true
+                val goldenResultPromise = getGoldenResults(goldenIndex)
+                val goldenResults = goldenResultPromise.await()
+                val buildsSet = mutableSetOf<String>()
+                buildsDescription.forEach {
+                    if (!it.isEmpty()) {
+                        val currentBuildNumber = it.substringBefore(',')
+                        if (!"\\d+(\\.\\d+)+(-M\\d)?-\\w+-\\d+(\\.\\d+)?".toRegex().matches(currentBuildNumber)) {
+                            error("Build number $currentBuildNumber differs from expected format. File with data for " +
+                                    "target $target could be corrupted.")
+                        }
+                        if (!shouldConvert && buildNumber != null && buildNumber == currentBuildNumber) {
+                            shouldConvert = true
+                        }
+                        if (shouldConvert) {
+                            // Save data from Artifactory into database.
+                            val artifactoryUrlConnector = UrlNetworkConnector(artifactoryUrl)
+                            val fileName = "nativeReport.json"
+                            val accessFileUrl = "$targetPathName/$currentBuildNumber/$fileName"
+                            val extrenalFileName = if (target == "Linux") "externalReport.json" else "spaceFrameworkReport.json"
+                            val accessExternalFileUrl = "$targetPathName/$currentBuildNumber/$extrenalFileName"
+                            val infoParts = it.split(", ")
+                            if ((infoParts[3] == "master" || "eap" in currentBuildNumber || "release" in currentBuildNumber) &&
+                                    currentBuildNumber !in buildsSet) {
+                                try {
+                                    buildsSet.add(currentBuildNumber)
+                                    val jsonReport = artifactoryUrlConnector.sendRequest(RequestMethod.GET, accessFileUrl).await()
+                                    var reports = convert(jsonReport, currentBuildNumber, target)
+                                    val buildInfoRecord = BuildInfo(currentBuildNumber, infoParts[1], infoParts[2],
+                                            CommitsList.parse(infoParts[4]), infoParts[3], target)
 
-    router.get("/fill", { _, response ->
-        LocalCache.fill()
-        response.sendStatus(200)
+                                    val externalJsonReport = artifactoryUrlConnector.sendOptionalRequest(RequestMethod.GET, accessExternalFileUrl).await()
+                                    buildInfoIndex.insert(buildInfoRecord).then { _ ->
+                                        externalJsonReport?.let {
+                                            var externalReports = convert(externalJsonReport, currentBuildNumber, target)
+                                            externalReports.forEach { externalReport ->
+                                                val extrenalAdditionalReport = SummaryBenchmarksReport(externalReport)
+                                                        .getBenchmarksReport().normalizeBenchmarksSet(goldenResults)
+                                                extrenalAdditionalReport.buildNumber = currentBuildNumber
+                                                benchmarksDispatcher.insert(extrenalAdditionalReport, target).then { _ ->
+                                                    println("[External] Success insert ${buildInfoRecord.buildNumber}")
+                                                }.catch { errorResponse ->
+                                                    println("Failed to insert data for build")
+                                                    println(errorResponse)
+                                                }
+                                            }
+                                        }
+
+                                        val bundleSize = if (infoParts[10] != "-") infoParts[10] else null
+                                        if (bundleSize != null) {
+                                            // Add bundle size.
+                                            val bundleSizeBenchmark = BenchmarkResult("KotlinNative",
+                                                    BenchmarkResult.Status.PASSED, bundleSize.toDouble(),
+                                                    BenchmarkResult.Metric.BUNDLE_SIZE, 0.0, 1, 0)
+                                            val bundleSizeReport = BenchmarksReport(reports[0].env,
+                                                    listOf(bundleSizeBenchmark), reports[0].compiler)
+                                            bundleSizeReport.buildNumber = currentBuildNumber
+                                            benchmarksDispatcher.insert(bundleSizeReport, target).then { _ ->
+                                                println("[BUNDLE] Success insert ${buildInfoRecord.buildNumber}")
+                                            }.catch { errorResponse ->
+                                                println("Failed to insert data for build")
+                                                println(errorResponse)
+                                            }
+                                        }
+
+                                        reports.forEach { report ->
+                                            val summaryReport = SummaryBenchmarksReport(report).getBenchmarksReport()
+                                                    .normalizeBenchmarksSet(goldenResults)
+                                            summaryReport.buildNumber = currentBuildNumber
+                                            // Save results in database.
+                                            benchmarksDispatcher.insert(summaryReport, target).then { _ ->
+                                                println("Success insert ${buildInfoRecord.buildNumber}")
+                                            }.catch { errorResponse ->
+                                                println("Failed to insert data for build")
+                                                println(errorResponse.message)
+                                            }
+                                        }
+
+
+                                    }.catch { errorResponse ->
+                                        println("Failed to insert data for build")
+                                        println(errorResponse)
+                                    }
+                                } catch (e: Exception) {
+                                    println(e)
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            response.sendStatus(200)
+        }.catch {
+            response.sendStatus(400)
+        }
     })
 
     router.get("/delete/:target", { request, response ->
-        val buildsToDelete: List<String> = request.query.builds.toString().split(",").map { it.trim() }
-        val result = LocalCache.delete(request.params.target, buildsToDelete, request.query.key)
-        if (result) {
-            response.sendStatus(200)
-        } else {
-            response.sendStatus(404)
+        val target = urlParameterToBaseFormat(request.params.target)
+        var buildNumber: String? = null
+        if (request.query != undefined) {
+            if (request.query.buildNumber != undefined) {
+                buildNumber = request.query.buildNumber
+            }
         }
+        benchmarksDispatcher.deleteBenchmarks(target, buildNumber).then {
+            deleteBuildInfo(target, buildInfoIndex, buildNumber).then {
+                response.sendStatus(200)
+            }.catch {
+                response.sendStatus(400)
+            }
+        }.catch {
+            response.sendStatus(400)
+        }
+    })
+
+    router.get("/report/:target/:buildNumber", { request, response ->
+        val target = urlParameterToBaseFormat(request.params.target)
+        val buildNumber = request.params.buildNumber.toString()
+        benchmarksDispatcher.getBenchmarksReports(buildNumber, target).then { reports ->
+            response.send(reports.joinToString(", ", "[", "]"))
+        }.catch {
+            response.sendStatus(400)
+        }
+    })
+
+    router.get("/clear", { _, response ->
+        CachableResponseDispatcher.clear()
+        response.sendStatus(200)
     })
 
     // Main page.
@@ -335,52 +556,20 @@ fun router() {
     return router
 }
 
-fun getAuth(user: String, password: String): String {
-    val buffer = js("Buffer").from(user + ":" + password)
-    val based64String = buffer.toString("base64")
-    return "Basic " + based64String
+fun getBuildsInfoFromArtifactory(target: String): Promise<String> {
+    val buildsFileName = "buildsSummary.csv"
+    val artifactoryBuildsDirectory = "builds"
+    return UrlNetworkConnector(artifactoryUrl).sendRequest(RequestMethod.GET,
+            "$artifactoryBuildsDirectory/$target/$buildsFileName")
 }
 
-fun sendGetRequest(url: String, user: String? = null, password: String? = null, jsonContentType: Boolean = false) : String {
-    val request = require("sync-request")
-    val headers = mutableListOf<Pair<String, String>>()
-    if (user != null && password != null) {
-        headers.add("Authorization" to getAuth(user, password))
-    }
-    if (jsonContentType) {
-        headers.add("Accept" to "application/json")
-    }
-    val response = request("GET", url,
-            json(
-                "headers" to json(*(headers.toTypedArray()))
-            )
-    )
-    if (response.statusCode != 200) {
-        error("Error during getting response from $url\n" +
-                "${response.getBody()}")
-    }
-
-    return response.getBody().toString()
-}
-
-fun sendUploadRequest(url: String, fileContent: String, user: String? = null, password: String? = null,
-                      extraHeaders: List<Pair<String, String>> = emptyList()) {
-    val request = require("sync-request")
-    val headers = mutableListOf<Pair<String, String>>("Content-type" to "text/plain")
-    if (user != null && password != null) {
-        headers.add("Authorization" to getAuth(user, password))
-    }
-    extraHeaders.forEach {
-        headers.add(it.first to it.second)
-    }
-    val response = request("PUT", url,
-            json(
-                    "headers" to json(*(headers.toTypedArray())),
-                    "body" to fileContent
-            )
-    )
-    if (response.statusCode != 201) {
-        error("Error during uploading to $url\n" +
-                "${response}")
-    }
+fun BenchmarksReport.normalizeBenchmarksSet(dataForNormalization: Map<String, List<BenchmarkResult>>): BenchmarksReport {
+    val resultBenchmarksList = benchmarks.map { benchmarksList ->
+        benchmarksList.value.map {
+            NormalizedMeanVarianceBenchmark(it.name, it.status, it.score, it.metric,
+                    it.runtimeInUs, it.repeat, it.warmup, (it as MeanVarianceBenchmark).variance,
+                    dataForNormalization[benchmarksList.key]?.get(0)?.score?.let { golden -> it.score / golden } ?: 0.0)
+        }
+    }.flatten()
+    return BenchmarksReport(env, resultBenchmarksList, compiler)
 }
\ No newline at end of file
diff --git a/tools/performance-server/src/main/kotlin/utils/AsyncUtils.kt b/tools/performance-server/src/main/kotlin/utils/AsyncUtils.kt
new file mode 100644
index 00000000000..d3c7d6353b3
--- /dev/null
+++ b/tools/performance-server/src/main/kotlin/utils/AsyncUtils.kt
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package org.jetbrains.utils
+
+import kotlin.coroutines.*
+import kotlin.js.Promise
+
+suspend fun <T> Promise<T>.await(): T = suspendCoroutine { cont ->
+    then({ cont.resume(it) }, { cont.resumeWithException(it) })
+}
+
+fun launch(context: CoroutineContext = EmptyCoroutineContext, block: suspend () -> Unit) =
+        block.startCoroutine(Continuation(context) { result ->
+            result.onFailure { exception ->
+                throw exception
+            }
+        })
\ No newline at end of file
diff --git a/tools/performance-server/ui/build.gradle b/tools/performance-server/ui/build.gradle
index cc94fb1fafd..e77c736428d 100644
--- a/tools/performance-server/ui/build.gradle
+++ b/tools/performance-server/ui/build.gradle
@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpackConfig
+
 buildscript {
     ext.rootBuildDirectory = file('../../..')
 
@@ -11,6 +13,12 @@ buildscript {
         maven {
             url kotlinCompilerRepo
         }
+        maven {
+            url "http://dl.bintray.com/kotlin/kotlin-eap"
+        }
+        maven {
+            url "http://dl.bintray.com/kotlin/kotlin-dev"
+        }
     }
 
     dependencies {
@@ -28,42 +36,40 @@ repositories {
     maven {
         url buildKotlinCompilerRepo
     }
+    maven {
+        url "http://dl.bintray.com/kotlin/kotlin-eap"
+    }
+    maven {
+        url "http://dl.bintray.com/kotlin/kotlin-dev"
+    }
 }
 
-apply plugin: 'kotlin2js'
+apply plugin: 'kotlin-multiplatform'
 
-dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib-js:$kotlinVersion"
-}
-
-compileKotlin2Js {
-    kotlinOptions.outputFile = "${projectDir}/js/main.js"
-    kotlinOptions.main = "call"
-}
-
-sourceSets {
-    main.kotlin.srcDirs += "src"
-    main.kotlin.srcDirs += "../../benchmarks/shared/src"
-    main.kotlin.srcDirs += "../shared/src"
-    main.output.resourcesDir = "build/js/resources"
-}
-
-task copyResources(type: Copy) {
-    from sourceSets.main.resources.srcDirs
-    into file(buildDir.path + "/js")
-}
-
-build.doLast {
-    configurations.compile.each { File file ->
-        copy {
-            includeEmptyDirs = false
-
-            from zipTree(file.absolutePath)
-            into "${projectDir}/lib/kotlin"
-            include { fileTreeElement ->
-                def path = fileTreeElement.path
-                path.endsWith(".js") && (path.startsWith("META-INF/resources/") || !path.startsWith("META-INF/"))
+kotlin {
+    js {
+        browser {
+            binaries.executable()
+            distribution {
+                directory = new File("$projectDir/js/")
             }
         }
     }
+
+    sourceSets {
+        commonMain {
+            dependencies {
+                implementation "org.jetbrains.kotlin:kotlin-stdlib-common:$kotlinVersion"
+            }
+            kotlin.srcDir '../../benchmarks/shared/src'
+        }
+        jsMain {
+            dependencies {
+                implementation "org.jetbrains.kotlin:kotlin-stdlib-js:$kotlinVersion"
+            }
+            kotlin.srcDir 'src/main/kotlin'
+            kotlin.srcDir '../shared/src/main/kotlin'
+            kotlin.srcDir '../src/main/kotlin-js'
+        }
+    }
 }
\ No newline at end of file
diff --git a/tools/performance-server/ui/css/style.css b/tools/performance-server/ui/css/style.css
index 952a6724da2..4e53a519c18 100644
--- a/tools/performance-server/ui/css/style.css
+++ b/tools/performance-server/ui/css/style.css
@@ -68,11 +68,6 @@
   border-color: darkcyan;
 }
 
-.ct-legend .ct-series-5:before {
-  background-color: #453d3f;
-  border-color: #453d3f;
-}
-
 .ct-series-b .ct-line,
 .ct-series-b .ct-point {
   /* Set the colour of this series line */
diff --git a/tools/performance-server/ui/index.ejs b/tools/performance-server/ui/index.ejs
index 6fe0205b0d3..b1c9181aee7 100644
--- a/tools/performance-server/ui/index.ejs
+++ b/tools/performance-server/ui/index.ejs
@@ -33,8 +33,8 @@
                 </div>
                 <select class="custom-select" id="inputGroupTarget">
                     <option value="Linux">Linux</option>
-                    <option value="MacOSX">Mac OS X</option>
-                    <option value="Windows10">Windows 10</option>
+                    <option value="Mac_OS_X">Mac OS X</option>
+                    <option value="Windows_10">Windows 10</option>
                 </select>
             </div>
         </div>
@@ -110,7 +110,6 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/chartist-plugin-legend/0.6.2/chartist-plugin-legend.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.devbridge-autocomplete/1.4.9/jquery.autocomplete.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/chartist-plugin-axistitle@0.0.4/dist/chartist-plugin-axistitle.min.js"></script>
-<script src="lib/kotlin/kotlin.js"></script>
-<script src="js/main.js"></script>
+<script src="js/ui.js"></script>
 </body>
 </html>
\ No newline at end of file
diff --git a/tools/performance-server/ui/src/main/kotlin/main.kt b/tools/performance-server/ui/src/main/kotlin/main.kt
index fcfb38143d0..5b917862322 100644
--- a/tools/performance-server/ui/src/main/kotlin/main.kt
+++ b/tools/performance-server/ui/src/main/kotlin/main.kt
@@ -1,23 +1,12 @@
 /*
- * Copyright 2010-2019 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
  */
 
 import kotlin.browser.*
-import org.w3c.xhr.*
+import org.w3c.fetch.*
 import org.jetbrains.report.json.*
-import org.jetbrains.build.Build
+import org.jetbrains.buildInfo.Build
 import kotlin.js.*
 import kotlin.math.ceil
 import org.w3c.dom.*
@@ -30,63 +19,40 @@ external class ChartistPlugins {
 
 external object Chartist {
     class Svg(form: String, parameters: dynamic, chartArea: String)
+
     val plugins: ChartistPlugins
     val Interpolation: dynamic
     fun Line(query: String, data: dynamic, options: dynamic): dynamic
 }
 
-fun sendGetRequest(url: String) : String {
-    val request = XMLHttpRequest()
+data class Commit(val revision: String, val developer: String)
 
-    request.open("GET", url, false)
-    request.send()
-    if (request.status == 200.toShort()) {
-        return request.responseText
+fun sendGetRequest(url: String) = window.fetch(url, RequestInit("GET")).then { response ->
+    if (!response.ok)
+        error("Error during getting response from $url\n" +
+                "${response}")
+    else
+        response.text()
+}.then { text -> text }
+
+// Get groups of builds for different zoom values.
+fun getBuildsGroup(builds: List<Build?>) = buildsNumberToShow?.let {
+    val buildsGroups = builds.chunked(buildsNumberToShow!!)
+    val expectedGroup = buildsGroups.size - 1 + stageToShow
+    val index = when {
+        expectedGroup < 0 -> 0
+        expectedGroup >= buildsGroups.size -> buildsGroups.size - 1
+        else -> expectedGroup
     }
-    error("Request to $url has status ${request.status}")
-}
-
-// Parse description with values for metrics.
-fun <T : Any> separateValues(values: String, valuesContainer: MutableMap<String, MutableList<T?>>, convert: (String) -> T = { it as T }) {
-    val existingSamples = mutableListOf<String>()
-    val splittedValues = values.split(";")
-    val insertedList = valuesContainer.values.firstOrNull()?.let { MutableList<T?>(it.size) { null } } ?: mutableListOf<T?>()
-    splittedValues.forEach { it ->
-        val valueParts = it.split("-", limit = 2)
-        if (valueParts.size != 2) {
-            error("Wrong format of value $it.")
-        }
-        val (sampleName, value) = valueParts
-        existingSamples.add(sampleName)
-        val currentList = mutableListOf<T?>()
-        currentList.addAll(insertedList)
-        valuesContainer.getOrPut(sampleName) { currentList }.add(convert(value))
-    }
-    // Check if there are other keys that are absent in current record.
-    val missedSamples = valuesContainer.keys - existingSamples
-    missedSamples.forEach {
-        valuesContainer[it]!!.add(null)
-    }
-}
-
-fun getBuildsGroup(builds: List<Build>) = buildsNumberToShow?.let {
-        val buildsGroups = builds.chunked(buildsNumberToShow!!)
-        val expectedGroup = buildsGroups.size - 1 + stageToShow
-        val index = when {
-            expectedGroup < 0 -> 0
-            expectedGroup >= buildsGroups.size -> buildsGroups.size - 1
-            else -> expectedGroup
-        }
-        buildsGroups[index]
-    } ?: builds
-
+    buildsGroups[index]
+} ?: builds
 
+// Get data for chart in needed format.
 fun getChartData(labels: List<String>, valuesList: Collection<List<*>>, stageToShow: Int = 0,
                  buildsNumber: Int? = null, classNames: Array<String>? = null): dynamic {
-    val chartData: dynamic = object{}
+    val chartData: dynamic = object {}
     // Show only some part of data.
     val (labelsData, valuesData) = buildsNumber?.let {
-        println("Divide on ${labels.size / buildsNumber}")
         val labelsGroups = labels.chunked(buildsNumber)
         val valuesListGroups = valuesList.map { it.chunked(buildsNumber) }
         val expectedGroup = labelsGroups.size - 1 + stageToShow
@@ -95,11 +61,11 @@ fun getChartData(labels: List<String>, valuesList: Collection<List<*>>, stageToS
             expectedGroup >= labelsGroups.size -> labelsGroups.size - 1
             else -> expectedGroup
         }
-        Pair(labelsGroups[index], valuesListGroups.map {it[index]})
+        Pair(labelsGroups[index], valuesListGroups.map { it[index] })
     } ?: Pair(labels, valuesList)
     chartData["labels"] = labelsData.toTypedArray()
     chartData["series"] = valuesData.mapIndexed { index, it ->
-        val series: dynamic = object{}
+        val series: dynamic = object {}
         series["data"] = it.toTypedArray()
         classNames?.let { series["className"] = classNames[index] }
         series
@@ -107,32 +73,33 @@ fun getChartData(labels: List<String>, valuesList: Collection<List<*>>, stageToS
     return chartData
 }
 
+// Create object with options of chart.
 fun getChartOptions(samples: Array<String>, yTitle: String, classNames: Array<String>? = null): dynamic {
-    val chartOptions: dynamic = object{}
+    val chartOptions: dynamic = object {}
     chartOptions["fullWidth"] = true
-    val paddingObject: dynamic = object{}
+    val paddingObject: dynamic = object {}
     paddingObject["right"] = 40
     chartOptions["chartPadding"] = paddingObject
-    val axisXObject: dynamic = object{}
+    val axisXObject: dynamic = object {}
     axisXObject["offset"] = 40
     axisXObject["labelInterpolationFnc"] = { value, index, labels ->
         val labelsCount = 30
         val skipNumber = ceil((labels.length as Int).toDouble() / labelsCount).toInt()
         if (skipNumber > 1) {
-            if (index % skipNumber  == 0) value else null
+            if (index % skipNumber == 0) value else null
         } else {
             value
         }
     }
     chartOptions["axisX"] = axisXObject
-    val axisYObject: dynamic = object{}
+    val axisYObject: dynamic = object {}
     axisYObject["offset"] = 90
     chartOptions["axisY"] = axisYObject
-    val legendObject: dynamic = object{}
+    val legendObject: dynamic = object {}
     legendObject["legendNames"] = samples
-    classNames?.let { legendObject["classNames"] = classNames }
-    val titleObject: dynamic = object{}
-    val axisYTitle: dynamic = object{}
+    classNames?.let { legendObject["classNames"] = classNames.sliceArray(0 until samples.size) }
+    val titleObject: dynamic = object {}
+    val axisYTitle: dynamic = object {}
     axisYTitle["axisTitle"] = yTitle
     axisYTitle["axisClass"] = "ct-axis-title"
     val titleOffset: dynamic = {}
@@ -153,7 +120,8 @@ fun redirect(url: String) {
     window.location.href = url
 }
 
-fun customizeChart(chart: dynamic, chartContainer: String, jquerySelector: dynamic, builds: List<Build>,
+// Set customizations rules for chart.
+fun customizeChart(chart: dynamic, chartContainer: String, jquerySelector: dynamic, builds: List<Build?>,
                    parameters: Map<String, String>) {
     chart.on("draw", { data ->
         var element = data.element
@@ -161,59 +129,74 @@ fun customizeChart(chart: dynamic, chartContainer: String, jquerySelector: dynam
             val buildsGroup = getBuildsGroup(builds)
             val pointSize = 12
             val currentBuild = buildsGroup.get(data.index)
-            // Higlight builds with failures.
-            if (currentBuild.failuresNumber > 0) {
-                val svgParameters: dynamic = object{}
-                svgParameters["d"] = arrayOf("M", data.x, data.y - pointSize,
-                        "L", data.x - pointSize, data.y + pointSize/2,
-                        "L", data.x + pointSize, data.y + pointSize/2, "z").joinToString(" ")
-                svgParameters["style"] = "fill:rgb(255,0,0);stroke-width:0"
-                val triangle = Chartist.Svg("path", svgParameters, chartContainer)
-                element = data.element.replace(triangle)
-            } else if (currentBuild.buildNumber == parameters["build"]) {
-                // Higlight choosen build.
-                val svgParameters: dynamic = object{}
-                svgParameters["x"] = data.x - pointSize/2
-                svgParameters["y"] = data.y - pointSize/2
-                svgParameters["height"] = pointSize
-                svgParameters["width"] = pointSize
-                svgParameters["style"] = "fill:rgb(0,0,255);stroke-width:0"
-                val rectangle = Chartist.Svg("rect", svgParameters, "ct-point")
-                element = data.element.replace(rectangle)
-            }
-            // Add tooltips.
-            val linkToDetailedInfo = "https://kotlin-native-performance.labs.jb.gg/?report=artifactory:" +
-                    "${currentBuild.buildNumber}:${parameters["target"]}:nativeReport.json" +
-                    "${if (data.index - 1 >= 0)
-                        "&compareTo=artifactory:${buildsGroup.get(data.index - 1).buildNumber}:${parameters["target"]}:nativeReport.json"
-                    else ""}"
-            val information = buildString {
-                append("<a href=\"$linkToDetailedInfo\">${currentBuild.buildNumber}</a><br>")
-                append("Value: ${data.value.y.toFixed(4)}<br>")
+            currentBuild?.let { currentBuild ->
+                // Higlight builds with failures.
                 if (currentBuild.failuresNumber > 0) {
-                    append("failures: ${currentBuild.failuresNumber}<br>")
+                    val svgParameters: dynamic = object {}
+                    svgParameters["d"] = arrayOf("M", data.x, data.y - pointSize,
+                            "L", data.x - pointSize, data.y + pointSize / 2,
+                            "L", data.x + pointSize, data.y + pointSize / 2, "z").joinToString(" ")
+                    svgParameters["style"] = "fill:rgb(255,0,0);stroke-width:0"
+                    val triangle = Chartist.Svg("path", svgParameters, chartContainer)
+                    element = data.element.replace(triangle)
+                } else if (currentBuild.buildNumber == parameters["build"]) {
+                    // Higlight choosen build.
+                    val svgParameters: dynamic = object {}
+                    svgParameters["x"] = data.x - pointSize / 2
+                    svgParameters["y"] = data.y - pointSize / 2
+                    svgParameters["height"] = pointSize
+                    svgParameters["width"] = pointSize
+                    svgParameters["style"] = "fill:rgb(0,0,255);stroke-width:0"
+                    val rectangle = Chartist.Svg("rect", svgParameters, "ct-point")
+                    element = data.element.replace(rectangle)
                 }
-                append("branch: ${currentBuild.branch}<br>")
-                append("date: ${currentBuild.date}<br>")
-                append("time: ${currentBuild.formattedStartTime}-${currentBuild.formattedFinishTime}<br>")
-                append("Commits:<br>")
-                val commitsList = currentBuild.commits.split(";")
-                commitsList.forEach {
-                    if (!it.isEmpty())
-                        append("${it.substringBefore("by").substring(0, 7)} by ${it.substringAfter("by ")}<br>")
+                // Add tooltips.
+                var shift = 1
+                var previousBuild: Build? = null
+                while (previousBuild == null && data.index - shift >= 0) {
+                    previousBuild = buildsGroup.get(data.index - shift)
+                    shift++
                 }
-
+                val linkToDetailedInfo = "https://kotlin-native-performance.labs.jb.gg/?report=" +
+                        "${currentBuild.buildNumber}:${parameters["target"]}" +
+                        "${previousBuild?.let {
+                            "&compareTo=${previousBuild.buildNumber}:${parameters["target"]}"
+                        } ?: ""}"
+                val information = buildString {
+                    append("<a href=\"$linkToDetailedInfo\">${currentBuild.buildNumber}</a><br>")
+                    append("Value: ${data.value.y.toFixed(4)}<br>")
+                    if (currentBuild.failuresNumber > 0) {
+                        append("failures: ${currentBuild.failuresNumber}<br>")
+                    }
+                    append("branch: ${currentBuild.branch}<br>")
+                    append("date: ${currentBuild.date}<br>")
+                    append("time: ${currentBuild.formattedStartTime}-${currentBuild.formattedFinishTime}<br>")
+                    append("Commits:<br>")
+                    val commitsList = (JsonTreeParser.parse("{${currentBuild.commits}}") as JsonObject).getArray("commits").map {
+                        Commit(
+                                (it as JsonObject).getPrimitive("revision").content,
+                                (it as JsonObject).getPrimitive("developer").content
+                        )
+                    }
+                    val commits = if (commitsList.size > 3) commitsList.slice(0..2) else commitsList
+                    commits.forEach {
+                        append("${it.revision.substring(0, 7)} by ${it.developer}<br>")
+                    }
+                    if (commitsList.size > 3) {
+                        append("...")
+                    }
+                }
+                element._node.setAttribute("title", information)
+                element._node.setAttribute("data-chart-tooltip", chartContainer)
+                element._node.addEventListener("click", {
+                    redirect(linkToDetailedInfo)
+                })
             }
-            element._node.setAttribute("title", information)
-            element._node.setAttribute("data-chart-tooltip", chartContainer)
-            element._node.addEventListener("click", {
-                redirect(linkToDetailedInfo)
-            })
         }
     })
     chart.on("created", {
         val currentChart = jquerySelector
-        val parameters: dynamic = object{}
+        val parameters: dynamic = object {}
         parameters["selector"] = "[data-chart-tooltip=\"$chartContainer\"]"
         parameters["container"] = "#$chartContainer"
         parameters["html"] = true
@@ -225,6 +208,12 @@ var stageToShow = 0
 
 var buildsNumberToShow: Int? = null
 
+fun waitForElements(elements: Iterable<Any?>, action: () -> Unit) {
+    if (elements.filterNotNull().size == elements.count())
+        action()
+    else window.setTimeout(waitForElements(elements, action), 500)
+}
+
 fun main(args: Array<String>) {
     val serverUrl = "https://kotlin-native-perf-summary.labs.jb.gg"
     buildsNumberToShow = null
@@ -243,45 +232,52 @@ fun main(args: Array<String>) {
         }
     }
 
-    // Get builds.
-    val buildsUrl = buildString {
-        append("$serverUrl/builds")
-        append("/${parameters["target"]}")
-        append("/${parameters["type"]}")
-        append("/${parameters["branch"]}")
-        append("/${parameters["build"]}")
+    // Get branches.
+    val branchesUrl = "$serverUrl/branches"
+    sendGetRequest(branchesUrl).then { response ->
+        val branches: Array<String> = JSON.parse(response)
+        // Add release branches to selector.
+        branches.filter { it != "master" }.forEach {
+            if ("v(\\d|\\.)+(-M\\d)?-fixes".toRegex().matches(it)) {
+                val option = Option(it, it)
+                js("$('#inputGroupBranch')").append(js("$(option)"))
+            }
+        }
+        document.querySelector("#inputGroupBranch [value=\"${parameters["branch"]}\"]")?.setAttribute("selected", "true")
     }
-    val response = sendGetRequest(buildsUrl)
 
-    val data = JsonTreeParser.parse(response)
-    if (data !is JsonArray) {
-        error("Response is expected to be an array.")
-    }
-    val builds = data.jsonArray.map { Build.create(it as JsonObject) }
-            .sortedWith(compareBy ( { it.buildNumber.substringBefore(".").toInt() }, { it.buildNumber.substringAfter(".").substringBefore("-").toDouble() }, { it.buildNumber.substringAfterLast("-").toInt() }))
 
-    val branchesUrl = "$serverUrl/branches/${parameters["target"]}"
-
-    val branches: Array<String> = JSON.parse(sendGetRequest(branchesUrl))
-    val releaseBranches = branches.filter { "^v\\d+(\\.\\d+)+(-M\\d)?-fixes$".toRegex().find(it) != null }
-
-    // Fill autocomplete list.
+    // Fill autocomplete list with build numbers.
     val buildsNumbersUrl = "$serverUrl/buildsNumbers/${parameters["target"]}"
-    val buildsNumbers: Array<String> = JSON.parse(sendGetRequest(buildsNumbersUrl))
-
-    // Add release branches to selector.
-    releaseBranches.forEach {
-        val option = Option(it, it)
-        js("$('#inputGroupBranch')").append(js("$(option)"))
+    sendGetRequest(buildsNumbersUrl).then { response ->
+        val buildsNumbers: Array<String> = JSON.parse(response)
+        val autocompleteParameters: dynamic = object {}
+        autocompleteParameters["lookup"] = buildsNumbers
+        autocompleteParameters["onSelect"] = { suggestion ->
+            if (suggestion.value != parameters["build"]) {
+                val newLink = "http://${window.location.host}/?target=${parameters["target"]}&type=${parameters["type"]}" +
+                        "${if ((suggestion.value as String).isEmpty()) "" else "&build=${suggestion.value}"}"
+                window.location.href = newLink
+            }
+        }
+        js("$( \"#highligted_build\" )").autocomplete(autocompleteParameters)
+        js("$('#highligted_build')").change({ value ->
+            val newValue = js("$(this).val()").toString()
+            if (newValue.isEmpty() || newValue in buildsNumbers) {
+                val newLink = "http://${window.location.host}/?target=${parameters["target"]}&type=${parameters["type"]}" +
+                        "${if (newValue.isEmpty()) "" else "&build=$newValue"}"
+                window.location.href = newLink
+            }
+        })
     }
 
     // Change inputs values connected with parameters and add events listeners.
     document.querySelector("#inputGroupTarget [value=\"${parameters["target"]}\"]")?.setAttribute("selected", "true")
     document.querySelector("#inputGroupBuildType [value=\"${parameters["type"]}\"]")?.setAttribute("selected", "true")
-    document.querySelector("#inputGroupBranch [value=\"${parameters["branch"]}\"]")?.setAttribute("selected", "true")
     (document.getElementById("highligted_build") as HTMLInputElement).value = parameters["build"]!!
 
     // Add onChange events for fields.
+    // Don't use AJAX to have opportunity to share results with simple links.
     js("$('#inputGroupTarget')").change({
         val newValue = js("$(this).val()")
         if (newValue != parameters["target"]) {
@@ -307,69 +303,160 @@ fun main(args: Array<String>) {
         }
     })
 
-    val autocompleteParameters: dynamic = object{}
-    autocompleteParameters["lookup"] = buildsNumbers
-    autocompleteParameters["onSelect"] = { suggestion ->
-        if (suggestion.value != parameters["build"]) {
-            val newLink = "http://${window.location.host}/?target=${parameters["target"]}&type=${parameters["type"]}" +
-                    "${if ((suggestion.value as String).isEmpty()) "" else "&build=${suggestion.value}"}"
-            window.location.href = newLink
-        }
-    }
-    js("$( \"#highligted_build\" )").autocomplete(autocompleteParameters)
-    js("$('#highligted_build')").change({ value ->
-        val newValue = js("$(this).val()").toString()
-        if (newValue.isEmpty() || newValue in builds.map {it.buildNumber}) {
-            val newLink = "http://${window.location.host}/?target=${parameters["target"]}&type=${parameters["type"]}" +
-                    "${if (newValue.isEmpty()) "" else "&build=$newValue"}"
-            window.location.href = newLink
-        }
-    })
-
+    val platformSpecificBenchs = if (parameters["target"] == "Mac_OS_X") ",FrameworkBenchmarksAnalyzer,circlet_iosX64" else
+        if (parameters["target"] == "Linux") ",kotlinx.coroutines" else ""
 
     // Collect information for charts library.
-    val labels = mutableListOf<String>()
-    val executionTime = mutableMapOf<String, MutableList<Double?>>()
-    val compileTime = mutableMapOf<String, MutableList<Double?>>()
-    val codeSize = mutableMapOf<String, MutableList<Double?>>()
-    val bundleSize = mutableListOf<Int?>()
+    val valuesToShow = mapOf("EXECUTION_TIME" to arrayOf(mapOf(
+            "normalize" to "true"
+            )),
+            "COMPILE_TIME" to arrayOf(mapOf(
+                    "samples" to "HelloWorld,Videoplayer$platformSpecificBenchs",
+                    "agr" to "samples"
+            )),
+            "CODE_SIZE" to arrayOf(mapOf(
+                    "normalize" to "true",
+                    "exclude" to if (parameters["target"] == "Linux")
+                        "kotlinx.coroutines"
+                    else if (parameters["target"] == "Mac_OS_X")
+                        "circlet_iosX64"
+                    else ""
+            ), mapOf(
+                    "normalize" to "true",
+                    "agr" to "samples",
+                    "samples" to platformSpecificBenchs.removePrefix(",")
+            )),
+            "BUNDLE_SIZE" to arrayOf(mapOf("samples" to "KotlinNative",
+                    "agr" to "samples"))
+    )
 
-    builds.forEach {
-        // Choose labels on x axis.
-        if (parameters["type"] == "day") {
-            labels.add(it.date)
-        } else {
-            labels.add(it.buildNumber)
-        }
-        separateValues(it.executionTime, executionTime) { value -> value.toDouble() }
-        separateValues(it.compileTime, compileTime) { value -> value.toDouble() / 1000 }
-        separateValues(it.codeSize, codeSize) { value -> value.toDouble() }
-        bundleSize.add(it.bundleSize?.toInt()?. let { it / 1024 / 1024 })
-    }
+    var execData = listOf<String>() to listOf<List<Double?>>()
+    var compileData = listOf<String>() to listOf<List<Double?>>()
+    var codeSizeData = listOf<String>() to listOf<List<Double?>>()
+    var bundleSizeData = listOf<String>() to listOf<List<Int?>>()
 
     val sizeClassNames = arrayOf("ct-series-e", "ct-series-f", "ct-series-g")
 
     // Draw charts.
-    val execChart = Chartist.Line("#exec_chart", getChartData(labels, executionTime.values, stageToShow, buildsNumberToShow),
-            getChartOptions(executionTime.keys.toTypedArray(), "Normalized time"))
-    val compileChart = Chartist.Line("#compile_chart", getChartData(labels, compileTime.values, stageToShow, buildsNumberToShow),
-            getChartOptions(compileTime.keys.toTypedArray(), "Time, milliseconds"))
-    val codeSizeChart = Chartist.Line("#codesize_chart", getChartData(labels, codeSize.values, stageToShow, buildsNumberToShow, sizeClassNames),
-            getChartOptions(codeSize.keys.toTypedArray(), "Normalized size", arrayOf("ct-series-4", "ct-series-5", "ct-series-6")))
-    val bundleSizeChart = Chartist.Line("#bundlesize_chart", getChartData(labels, listOf(bundleSize), stageToShow, buildsNumberToShow, sizeClassNames),
-            getChartOptions(arrayOf("Bundle size"), "Size, MB", arrayOf("ct-series-4")))
+    var execChart: dynamic = null
+    var compileChart: dynamic = null
+    var codeSizeChart: dynamic = null
+    var bundleSizeChart: dynamic = null
 
-    // Tooltips and higlights.
-    customizeChart(execChart, "exec_chart", js("$(\"#exec_chart\")"), builds, parameters)
-    customizeChart(compileChart, "compile_chart", js("$(\"#compile_chart\")"), builds, parameters)
-    customizeChart(codeSizeChart, "codesize_chart", js("$(\"#codesize_chart\")"), builds, parameters)
-    customizeChart(bundleSizeChart, "bundlesize_chart", js("$(\"#bundlesize_chart\")"), builds, parameters)
+    val descriptionUrl = "$serverUrl/buildsDesc/${parameters["target"]}?type=${parameters["type"]}" +
+            "${if (parameters["branch"] != "all") "&branch=${parameters["branch"]}" else ""}"
 
+    val metricUrl = "$serverUrl/metricValue/${parameters["target"]}/"
+
+    // Send requests to get all needed metric values.
+    valuesToShow.map { (metric, arrayOfSettings) ->
+        val resultValues = arrayOfSettings.map { settings ->
+            val getParameters = with(StringBuilder()) {
+                if (settings.isNotEmpty()) {
+                    append("?")
+                }
+                var prefix = ""
+                settings.forEach { (key, value) ->
+                    if (value.isNotEmpty()) {
+                        append("$prefix$key=$value")
+                        prefix = "&"
+                    }
+                }
+                toString()
+            }
+            val branchParameter = if (parameters["branch"] != "all")
+                (if (getParameters.isEmpty()) "?" else "&") + "branch=${parameters["branch"]}"
+            else ""
+
+            val url = "$metricUrl$metric$getParameters$branchParameter${
+            if (parameters["type"] != "all")
+                (if (getParameters.isEmpty() && branchParameter.isEmpty()) "?" else "&") + "type=${parameters["type"]}"
+            else ""
+            }"
+            sendGetRequest(url)
+        }.toTypedArray()
+
+        // Get metrics values for charts.
+        Promise.all(resultValues).then { responses ->
+            val valuesList = responses.map { response ->
+                val results = (JsonTreeParser.parse(response) as JsonArray).map {
+                    (it as JsonObject).getPrimitive("first").content to
+                            it.getArray("second").map { (it as JsonPrimitive).doubleOrNull }
+                }
+
+                val labels = results.map { it.first }
+                val values = results[0]?.second?.size?.let { (0..it - 1).map { i -> results.map { it.second[i] } } }
+                        ?: emptyList()
+                labels to values
+            }
+            val labels = valuesList[0].first
+            val values = valuesList.map { it.second }.reduce { acc, valuesPart -> acc + valuesPart }
+
+            when (metric) {
+                // Update chart with gotten data.
+                "COMPILE_TIME" -> {
+                    compileData = labels to values.map { it.map { it?.let { it / 1000 } } }
+                    compileChart = Chartist.Line("#compile_chart",
+                            getChartData(labels, compileData.second, stageToShow, buildsNumberToShow),
+                            getChartOptions(valuesToShow["COMPILE_TIME"]!![0]!!["samples"]!!.split(',').toTypedArray(),
+                                    "Time, milliseconds"))
+                }
+                "EXECUTION_TIME" -> {
+                    execData = labels to values
+                    execChart = Chartist.Line("#exec_chart",
+                            getChartData(labels, execData.second, stageToShow, buildsNumberToShow),
+                            getChartOptions(arrayOf("Geometric Mean"), "Normalized time"))
+                }
+                "CODE_SIZE" -> {
+                    codeSizeData = labels to values
+                    codeSizeChart = Chartist.Line("#codesize_chart",
+                            getChartData(labels, codeSizeData.second,
+                                    stageToShow, buildsNumberToShow, sizeClassNames),
+                            getChartOptions(arrayOf("Geometric Mean") + platformSpecificBenchs.split(',')
+                                    .filter { it.isNotEmpty() },
+                                    "Normalized size",
+                                    arrayOf("ct-series-4", "ct-series-5", "ct-series-6")))
+                }
+                "BUNDLE_SIZE" -> {
+                    bundleSizeData = labels to values.map { it.map { it?.let { it.toInt() / 1024 / 1024 } } }
+                    bundleSizeChart = Chartist.Line("#bundlesize_chart",
+                            getChartData(labels,
+                                    bundleSizeData.second, stageToShow,
+                                    buildsNumberToShow, sizeClassNames),
+                            getChartOptions(arrayOf("Bundle size"), "Size, MB", arrayOf("ct-series-4")))
+                }
+                else -> error("No chart for metric $metric")
+            }
+            true
+        }
+    }
+
+    // Update all charts with using same data.
     val updateAllCharts: () -> Unit = {
-        execChart.update(getChartData(labels, executionTime.values, stageToShow, buildsNumberToShow))
-        compileChart.update(getChartData(labels, compileTime.values, stageToShow, buildsNumberToShow))
-        codeSizeChart.update(getChartData(labels, codeSize.values, stageToShow, buildsNumberToShow, sizeClassNames))
-        bundleSizeChart.update(getChartData(labels, listOf(bundleSize), stageToShow, buildsNumberToShow, sizeClassNames))
+        execChart.update(getChartData(execData.first, execData.second, stageToShow, buildsNumberToShow))
+        compileChart.update(getChartData(compileData.first, compileData.second, stageToShow, buildsNumberToShow))
+        codeSizeChart.update(getChartData(codeSizeData.first, codeSizeData.second, stageToShow, buildsNumberToShow, sizeClassNames))
+        bundleSizeChart.update(getChartData(bundleSizeData.first, bundleSizeData.second, stageToShow, buildsNumberToShow, sizeClassNames))
+    }
+
+    // Get builds description.
+    sendGetRequest(descriptionUrl).then { response ->
+        val buildsInfo = response as String
+        val data = JsonTreeParser.parse(buildsInfo)
+        if (data !is JsonArray) {
+            error("Response is expected to be an array.")
+        }
+        val builds = data.jsonArray.map {
+            val element = it as JsonElement
+            if (element.isNull) null else Build.create(element as JsonObject)
+        }
+        waitForElements(listOf(execChart, compileChart, codeSizeChart, bundleSizeChart)) {
+            customizeChart(execChart, "exec_chart", js("$(\"#exec_chart\")"), builds, parameters)
+            customizeChart(compileChart, "compile_chart", js("$(\"#compile_chart\")"), builds, parameters)
+            customizeChart(codeSizeChart, "codesize_chart", js("$(\"#codesize_chart\")"), builds, parameters)
+            customizeChart(bundleSizeChart, "bundlesize_chart", js("$(\"#bundlesize_chart\")"), builds, parameters)
+            updateAllCharts()
+        }
     }
 
     js("$('#plusBtn')").click({
@@ -379,14 +466,13 @@ fun main(args: Array<String>) {
             } else {
                 it
             }
-        } ?: labels.size / zoomRatio
-        println(buildsNumberToShow)
+        } ?: execData.first.size / zoomRatio
         updateAllCharts()
     })
 
     js("$('#minusBtn')").click({
         buildsNumberToShow = buildsNumberToShow?.let {
-            if (it * zoomRatio <= labels.size) {
+            if (it * zoomRatio <= execData.first.size) {
                 it * zoomRatio
             } else {
                 null
@@ -397,11 +483,11 @@ fun main(args: Array<String>) {
 
     js("$('#prevBtn')").click({
         buildsNumberToShow?.let {
-            val bottomBorder = -labels.size / (buildsNumberToShow as Int)
+            val bottomBorder = -execData.first.size / (buildsNumberToShow as Int)
             if (stageToShow - 1 > bottomBorder) {
                 stageToShow--
             }
-        } ?: run { stageToShow = 0}
+        } ?: run { stageToShow = 0 }
         updateAllCharts()
     })