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      <title>Presentation: Automatically Retrofitting JIT Compilers</title>
      <link>https://www.infoq.com/presentations/yk-meta-tracing-jit-compiler/?utm_campaign=infoq_content&amp;utm_source=infoq&amp;utm_medium=feed&amp;utm_term=Dynamic+Languages-presentations</link>
      <description>&lt;img src="https://res.infoq.com/presentations/yk-meta-tracing-jit-compiler/en/mediumimage/medium-1784107493357.jpeg"/&gt;&lt;p&gt;Laurence Tratt discusses yk, an open-source meta-tracing JIT compiler framework. He shares how to automatically speed up C-based language interpreters like Lua and MicroPython with minimal, non-invasive code changes. He explains the inner workings of tracing loops, optimizing compiled traces using developer hints, and managing complex deoptimization back to the interpreter.&lt;/p&gt; &lt;i&gt;By Laurence Tratt&lt;/i&gt;</description>
      <category>LLVM</category>
      <category>Virtual Machines</category>
      <category>Lua</category>
      <category>Java</category>
      <category>JIT</category>
      <category>QCon London 2026</category>
      <category>Performance</category>
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      <category>presentation</category>
      <pubDate>Wed, 05 Aug 2026 11:00:00 GMT</pubDate>
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      <dc:creator>Laurence Tratt</dc:creator>
      <dc:date>2026-08-05T11:00:00Z</dc:date>
      <dc:identifier>/presentations/yk-meta-tracing-jit-compiler/en</dc:identifier>
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