Why do almost all Python JIT compilers die?
Building a JIT is massive: ⚡ HotSpot: 1,000s of person-years ⚡ V8: ~50 full-time engineers
Laurence Tratt explains why dynamic languages make JITs a sinkhole - and how meta-tracing could change everything.
🔗 Watch now: https://www.infoq.com/presentations/yk-meta-tracing-jit-compiler/
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.
www.infoq.com
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