gh-144319: obtain SeLockMemoryPrivilege on Windows#144928
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chris-eibl wants to merge 1 commit intopython:mainfrom
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gh-144319: obtain SeLockMemoryPrivilege on Windows#144928chris-eibl wants to merge 1 commit intopython:mainfrom
chris-eibl wants to merge 1 commit intopython:mainfrom
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can be used on Windows
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Skipping news because that's already covered by @pablogsal 's previous PRs. |
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Obtain SeLockMemoryPrivilege on startup on Windows to be able to use large pages when requested by setting the environment variable
PYTHON_PYMALLOC_HUGEPAGES.I've decided to fail if that doesn't succeed instead of silently switching to normal 4K pages and updated the documentation.
Using
bench_obmalloc.pyfrom the issue I getfor an AMD64 VS2026 release build (no PGO) on my PC (Haswell i5-4570, Windows 10).
📚 Documentation preview 📚: https://cpython-previews--144928.org.readthedocs.build/