Title: bpo-45116 Fix another performance regression on Windows by neonene · Pull Request #28630 · python/cpython · GitHub
Open Graph Title: bpo-45116 Fix another performance regression on Windows by neonene · Pull Request #28630 · python/cpython
X Title: bpo-45116 Fix another performance regression on Windows by neonene · Pull Request #28630 · python/cpython
Description: Currently, MSVC tends to share the same code blocks in a too big function. In the ceval-loop, NEXTOPARG() or DISPATCH() macros are unexpectedly shared and joined with (long) jump instructions, which disturb PGO profiling. With this PR, MSVC seems to generate expected codes for #25244. https://bugs.python.org/issue45116
Open Graph Description: Currently, MSVC tends to share the same code blocks in a too big function. In the ceval-loop, NEXTOPARG() or DISPATCH() macros are unexpectedly shared and joined with (long) jump instructions, whic...
X Description: Currently, MSVC tends to share the same code blocks in a too big function. In the ceval-loop, NEXTOPARG() or DISPATCH() macros are unexpectedly shared and joined with (long) jump instructions, whic...
Opengraph URL: https://github.com/python/cpython/pull/28630
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