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#linux616

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Thorsten Leemhuis (acct. 1/4)<p>A document describes techniques that are useful for debugging suspend and resume issues with modern <a href="https://hachyderm.io/tags/AMD" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AMD</span></a> processors was merged for <a href="https://hachyderm.io/tags/Linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Linux</span></a> 6.16: <a href="https://git.kernel.org/torvalds/c/cafb22242bfb7fad10fde6f9b99853fc924e691a" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">git.kernel.org/torvalds/c/cafb</span><span class="invisible">22242bfb7fad10fde6f9b99853fc924e691a</span></a></p><p>Rendered version: <a href="https://origin.kernel.org/doc/html/next/arch/x86/amd-debugging.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">origin.kernel.org/doc/html/nex</span><span class="invisible">t/arch/x86/amd-debugging.html</span></a></p><p><a href="https://hachyderm.io/tags/kernel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>kernel</span></a> <a href="https://hachyderm.io/tags/LinuxKernel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LinuxKernel</span></a> <a href="https://hachyderm.io/tags/Ryzen" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Ryzen</span></a> <a href="https://hachyderm.io/tags/Epyc" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Epyc</span></a> <a href="https://hachyderm.io/tags/Linux616" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Linux616</span></a></p>
Thorsten Leemhuis (acct. 1/4)<p>A option to optimize the code for the local CPU was merged for <a href="https://hachyderm.io/tags/Linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Linux</span></a> 6.16:</p><p><a href="https://git.kernel.org/torvalds/c/ea1dcca1de129dfdf145338a868648bc0e24717c" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">git.kernel.org/torvalds/c/ea1d</span><span class="invisible">cca1de129dfdf145338a868648bc0e24717c</span></a></p><p>To quote: '"Add a 'native' option that allows users to build an optimized kernel for their local machine (i.e. the machine which is used to build the kernel) by passing '-march=native' to CFLAGS.</p><p>The idea comes from Linus' reply to Arnd's initial proposal:</p><p> <a href="https://lore.kernel.org/all/CAHk-=wji1sV93yKbc==Z7OSSHBiDE=LAdG_d5Y-zPBrnSs0k2A@mail.gmail.com/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">lore.kernel.org/all/CAHk-=wji1</span><span class="invisible">sV93yKbc==Z7OSSHBiDE=LAdG_d5Y-zPBrnSs0k2A@mail.gmail.com/</span></a></p><p>Here are some numbers comparing 'generic' to 'native' on a Skylake dual-core laptop (generic --&gt; native) […] <br>There is little difference both in terms of size and of performance, however<br>the native build comes out on top ever so slightly [3 % in some cases]."'</p><p>Note, the author tried in on a different machine later, and there it made no real difference: </p><p> <a href="https://lore.kernel.org/all/b67fad41-3849-446e-8982-1485f42e61eb@mailbox.org/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">lore.kernel.org/all/b67fad41-3</span><span class="invisible">849-446e-8982-1485f42e61eb@mailbox.org/</span></a></p><p><a href="https://hachyderm.io/tags/kernel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>kernel</span></a> <a href="https://hachyderm.io/tags/LinuxKernel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LinuxKernel</span></a> <a href="https://hachyderm.io/tags/Linux616" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Linux616</span></a></p>
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