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    <title>Coding on _ov4 Press</title>
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    <description>Recent content in Coding on _ov4 Press</description>
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    <lastBuildDate>Wed, 22 Jul 2026 06:10:48 +0800</lastBuildDate>
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      <title>CSAPP Cache Lab</title>
      <link>https://ov4.org/posts/2026/07/22/csapp-cache-lab/</link>
      <pubDate>Wed, 22 Jul 2026 06:10:48 +0800</pubDate>
      <guid>https://ov4.org/posts/2026/07/22/csapp-cache-lab/</guid>
      <description>&lt;p&gt;Repo: &lt;a href=&#34;https://github.com/ovfor4/CSAPP/tree/main/cachelab-handout&#34;&gt;ovfor4/CSAPP/cachelab-handout&lt;/a&gt;&lt;/p&gt;
&lt;h2 id=&#34;part-b&#34;&gt;Part B&lt;/h2&gt;
&lt;p&gt;NB:&lt;/p&gt;
&lt;blockquote&gt;
&lt;p&gt;Your code only needs to
be correct for these three cases and you can optimize it specifically for these three cases. In particular, it is
perfectly OK for your function to explicitly check for the input sizes and implement separate code optimized
for each case.&lt;/p&gt;&lt;/blockquote&gt;
&lt;p&gt;I haven&amp;rsquo;t found any general solution to this yet, because 32x32 or 64x64 aren&amp;rsquo;t normal matrices, conversely, deliberately designed.&lt;/p&gt;
&lt;p&gt;General idea (I don&amp;rsquo;t think it&amp;rsquo;s cheating):&lt;/p&gt;</description>
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