GH-113464: Generate a more efficient JIT by brandtbucher · Pull Request #118512 · python/cpython · GitHub

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brandtbucher:justin-refactor

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Pull requests 2.6k

Security and quality 0

lot of complex logic in our hot inner loop

This breaks up the JIT into smaller functions, reduces a lot of branching in hot inner loops, and generally makes the C code cleaner (and probably faster).

JIT Compilation #113464

Replace stencils with dedicated writer functions

Generate patching logic

uint64_t -> uintptr_t

uintptr_t -> uint64_t

Restore AArch64 pair folding

Add missing relocations

Use a single array of structs

Move C initializer formation to StencilGroup

Add comment on why data is first

awaiting core review

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Clarify which patch functions are relaxing (and what that means)

Exaplain why GOT is commented out

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: Generate a more efficient JIT (