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Title: gh-149335: Avoid JIT trace buffer asserts with overhead above `FITNESS_INITIAL` by cocolato · Pull Request #149633 · python/cpython · GitHub

Open Graph Title: gh-149335: Avoid JIT trace buffer asserts with overhead above `FITNESS_INITIAL` by cocolato · Pull Request #149633 · python/cpython

X Title: gh-149335: Avoid JIT trace buffer asserts with overhead above `FITNESS_INITIAL` by cocolato · Pull Request #149633 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: The trace buffer now reserves a small fixed overhead above FITNESS_INITIAL for entry and loop-closing uops. Issue: JIT can trigger assert(uop_buffer_remaining_space(trace) > space_needed); for...

X Description: The trace buffer now reserves a small fixed overhead above FITNESS_INITIAL for entry and loop-closing uops. Issue: JIT can trigger assert(uop_buffer_remaining_space(trace) > space_needed);...

Opengraph URL: https://github.com/python/cpython/pull/149633

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exit early in case of a buffer overflowhttps://github.com/python/cpython/pull/149633/commits/ae82f72d2ca809b7c54a39c01b4dfc680ab48963
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Merge branch 'main' into fix-gh-149335https://github.com/python/cpython/pull/149633/commits/b8635b3a125bbd566ef388b21f9ddbbb769111e8
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increase the uop buffer sizehttps://github.com/python/cpython/pull/149633/commits/a1f7da0453a2eb08280dd1e90907b1e95ebfa3d7
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