<story><title>Lanai, the mystery CPU architecture in LLVM</title><url>https://q3k.org/lanai.html</url></story><parent_chain></parent_chain><comment><author>drewg123</author><text>I worked for Myricom 2001-&amp;gt;2013, and Google 2013-&amp;gt;2015.    And, wow, I wish I could comment on this thread..  :)&lt;p&gt;EDIT: Scott&amp;#x27;s Medium blog post linked from this article is fascinating: &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;medium.com&amp;#x2F;swlh&amp;#x2F;myricom-an-hpc-story-and-lessons-learned-from-the-fall-of-an-industry-darling-35017e6373d8&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;medium.com&amp;#x2F;swlh&amp;#x2F;myricom-an-hpc-story-and-lessons-lea...&lt;/a&gt;</text></comment>
<story><title>Lanai, the mystery CPU architecture in LLVM</title><url>https://q3k.org/lanai.html</url></story><parent_chain></parent_chain><comment><author>CalChris</author><text>&amp;gt; The world&amp;#x27;s best instruction mnemonic: PUNT, to switch between user and system contexts.&lt;p&gt;That&amp;#x27;s pretty good but I still prefer PowerPC&amp;#x27;s EIEIO.&lt;p&gt;&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.ibm.com&amp;#x2F;docs&amp;#x2F;en&amp;#x2F;aix&amp;#x2F;7.2?topic=set-eieio-enforce-in-order-execution-io-instruction&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.ibm.com&amp;#x2F;docs&amp;#x2F;en&amp;#x2F;aix&amp;#x2F;7.2?topic=set-eieio-enforce-...&lt;/a&gt;</text></comment>