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Mining JIT traces for missing optimizations with Z3

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Mining JIT traces for missing optimizations with Z3

Mining JIT traces for missing optimizations with Z3.
In my last post I’ve described how to use Z3 to find simple local peephole
optimization patterns
for the integer operations in PyPy’s JIT. An example is int_and(x, 0) →

  1. In this post I want to scal

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