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gh-131525: Cache the result of tuple_hash (#131529)

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* gh-131525: Cache the result of tuple_hash

* Fix debug builds

* Add blurb

* Fix formatting

* Pre-compute empty tuple singleton

* Mostly set the cache within tuple_alloc

* Fixes for TSAN

* Pre-compute empty tuple singleton

* Fix for 32-bit platforms

* Assert that op != NULL in _PyTuple_RESET_HASH_CACHE

* Use FT_ATOMIC_STORE_SSIZE_RELAXED macro

* Update Include/internal/pycore_tuple.h

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

* Fix alignment

* atomic load

* Update Objects/tupleobject.c

Co-authored-by: Chris Eibl <138194463+chris-eibl@users.noreply.github.com>

---------

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Chris Eibl <138194463+chris-eibl@users.noreply.github.com>
This commit is contained in:
Michael Droettboom 2025-03-27 09:57:06 -04:00 • committed by GitHub
parent cf5e438c02
commit 8614f86b71
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102 changed files with 1218 additions and 183 deletions
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4
Modules/_functoolsmodule.c
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@ -1008,9 +1008,7 @@ _functools_reduce_impl(PyObject *module, PyObject *func, PyObject *seq,
}
// bpo-42536: The GC may have untracked this args tuple. Since we're
// recycling it, make sure it's tracked again:
if (!_PyObject_GC_IS_TRACKED(args)) {
_PyObject_GC_TRACK(args);
}
_PyTuple_Recycle(args);
}
}