From c18ef6e2ac75a61f6b7d4568deb315b7c648c1a7 Mon Sep 17 00:00:00 2001
From: Alexander Udalov <Alexander.Udalov@jetbrains.com>
Date: Wed, 3 Jun 2015 15:04:48 +0300
Subject: [PATCH] Increase buffer size in preloader from 8K to 512K

Doesn't seem to improve performance, but cuts down lots of IO file read counts
---
 .../org/jetbrains/kotlin/preloading/ClassPreloadingUtils.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/preloader/src/org/jetbrains/kotlin/preloading/ClassPreloadingUtils.java b/compiler/preloader/src/org/jetbrains/kotlin/preloading/ClassPreloadingUtils.java
index dfbc800316c..3d15d170dbb 100644
--- a/compiler/preloader/src/org/jetbrains/kotlin/preloading/ClassPreloadingUtils.java
+++ b/compiler/preloader/src/org/jetbrains/kotlin/preloading/ClassPreloadingUtils.java
@@ -127,7 +127,7 @@ public class ClassPreloadingUtils {
             FileInputStream fileInputStream = new FileInputStream(jarFile);
             try {
                 byte[] buffer = new byte[10 * 1024];
-                ZipInputStream stream = new ZipInputStream(new BufferedInputStream(fileInputStream));
+                ZipInputStream stream = new ZipInputStream(new BufferedInputStream(fileInputStream, 1 << 19));
                 while (true) {
                     ZipEntry entry = stream.getNextEntry();
                     if (entry == null) break;