[U] Update channel content
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<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="zh-cn">
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<id>https://aza.moe/life</id>
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<title>小桂桂的回忆录 📒</title>
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<updated>2024-12-13T10:11:06.584009+00:00</updated>
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<updated>2024-12-13T12:12:14.709789+00:00</updated>
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<link href="https://aza.moe/life" rel="alternate"/>
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<generator uri="https://lkiesow.github.io/python-feedgen" version="0.9.0">python-feedgen</generator>
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<logo>https://aza.moe/meru_256px.png</logo>
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"id": 4754,
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"date": "2024-12-13T04:18:02",
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"text": "之前看到了 Asuna 转发的这张 gif,对比每个语言的运行速度... 我就在想,python 慢也不可能这么慢吧?我日常用 python 也没有感觉到它有这么慢啊\n\n然后看了一下他们<a href=\"https://github.com/bddicken/languages/blob/main/loops/py/code.py\">测试用的代码</a>,居然手写了两个循环,总共循环 1e9 次... 那当然慢了,一般人也不会这样写 python 吧 \n(╯‵□′)╯︵┻━┻\n\n直接加一个 numba JIT 就从 75 秒降到了 2.3 秒,再把循环改成 numpy + numba 就降到了 0.8 秒,再改成 pytorch 矩阵操作直接优化到了 0.16 秒,比 rust 还快甚至代码还更短 <i class=\"custom-emoji\" emoji-src=\"emoji/6170075684434610033.webm\">⌨</i>",
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"views": 63,
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"views": 69,
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"forwards": 1,
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"media_group_id": 13872507862081621,
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"files": [
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@@ -12,7 +12,7 @@
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<link>https://aza.moe/life</link>
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</image>
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<language>zh-cn</language>
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<lastBuildDate>Fri, 13 Dec 2024 10:11:06 +0000</lastBuildDate>
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<lastBuildDate>Fri, 13 Dec 2024 12:12:14 +0000</lastBuildDate>
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<item>
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<title>小桂桂的回忆录 📒 #4754</title>
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<link>https://aza.moe/life?post=4754</link>
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