mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-09-26 18:29:57 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

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

Browse source 
* 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
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
102 changed files with 1218 additions and 183 deletions
Download patch file Download diff file Expand all files Collapse all files

8
Modules/_multiprocessing/clinic/semaphore.c.h generated
View file

@ -34,9 +34,11 @@ _multiprocessing_SemLock_acquire(PyObject *self, PyObject *const *args, Py_ssize
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
Py_hash_t ob_hash;
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_hash = -1,
.ob_item = { &_Py_ID(block), &_Py_ID(timeout), },
};
#undef NUM_KEYWORDS
@ -140,9 +142,11 @@ _multiprocessing_SemLock_acquire(PyObject *self, PyObject *const *args, Py_ssize
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
Py_hash_t ob_hash;
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_hash = -1,
.ob_item = { &_Py_ID(block), &_Py_ID(timeout), },
};
#undef NUM_KEYWORDS
@ -237,9 +241,11 @@ _multiprocessing_SemLock(PyTypeObject *type, PyObject *args, PyObject *kwargs)
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
Py_hash_t ob_hash;
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_hash = -1,
.ob_item = { &_Py_ID(kind), &_Py_ID(value), &_Py_ID(maxvalue), &_Py_ID(name), &_Py_ID(unlink), },
};
#undef NUM_KEYWORDS
@ -576,4 +582,4 @@ exit:
#ifndef _MULTIPROCESSING_SEMLOCK___EXIT___METHODDEF
#define _MULTIPROCESSING_SEMLOCK___EXIT___METHODDEF
#endif /* !defined(_MULTIPROCESSING_SEMLOCK___EXIT___METHODDEF) */
/*[clinic end generated code: output=dddd8e989525f565 input=a9049054013a1b77]*/
/*[clinic end generated code: output=d1e349d4ee3d4bbf input=a9049054013a1b77]*/