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authorMichael Droettboom <mdboom@gmail.com>2025-03-27 13:57:06 (GMT)
committerGitHub <noreply@github.com>2025-03-27 13:57:06 (GMT)
commit8614f86b7163b1c39798b481902dbb511292a537 (patch)
tree2bf6a46b432df3d6bf01a4176f3a614a01c48566 /Modules/clinic/_struct.c.h
parentcf5e438c0297954c4411c1c3ae4ba67a48b134ea (diff)
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gh-131525: Cache the result of tuple_hash (#131529)
* 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>
Diffstat (limited to 'Modules/clinic/_struct.c.h')
-rw-r--r--Modules/clinic/_struct.c.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/Modules/clinic/_struct.c.h b/Modules/clinic/_struct.c.h
index 0e50395..e4eaadb 100644
--- a/Modules/clinic/_struct.c.h
+++ b/Modules/clinic/_struct.c.h
@@ -33,9 +33,11 @@ Struct___init__(PyObject *self, 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(format), },
};
#undef NUM_KEYWORDS
@@ -136,9 +138,11 @@ Struct_unpack_from(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyOb
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(buffer), &_Py_ID(offset), },
};
#undef NUM_KEYWORDS
@@ -347,9 +351,11 @@ unpack_from(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject
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(buffer), &_Py_ID(offset), },
};
#undef NUM_KEYWORDS
@@ -452,4 +458,4 @@ exit:
return return_value;
}
-/*[clinic end generated code: output=c7c051850b7ad427 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=caa7f36443e91cb9 input=a9049054013a1b77]*/