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gh-148907: fix performance regression in PyType_GetModuleByDef on free-threading#148908

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kumaraditya303 merged 1 commit intopython:mainfrom
kumaraditya303:tls-regression
Apr 23, 2026
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gh-148907: fix performance regression in PyType_GetModuleByDef on free-threading#148908
kumaraditya303 merged 1 commit intopython:mainfrom
kumaraditya303:tls-regression

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@kumaraditya303 kumaraditya303 commented Apr 23, 2026 •
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On this PR:

❯ ./python.exe Tools/ftscalingbench/ftscalingbench.py --threads=10 thread_local_read
Running benchmarks with 10 threads
thread_local_read          4.7x faster

@bedevere-app bedevere-app Bot mentioned this pull request Apr 23, 2026
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@kumaraditya303 kumaraditya303 requested a review from encukou April 23, 2026 08:34
@kumaraditya303 kumaraditya303 merged commit 29917d5 into python:main Apr 23, 2026
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@kumaraditya303 kumaraditya303 deleted the tls-regression branch April 23, 2026 11:13
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@colesbury colesbury colesbury approved these changes

@markshannon markshannon Awaiting requested review from markshannon markshannon is a code owner

@encukou encukou Awaiting requested review from encukou

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@kumaraditya303 @colesbury