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authorMichael Droettboom <mdboom@gmail.com>2025-03-27 09:57:06 -0400
committerGitHub <noreply@github.com>2025-03-27 09:57:06 -0400
commit8614f86b7163b1c39798b481902dbb511292a537 (patch)
tree2bf6a46b432df3d6bf01a4176f3a614a01c48566 /Python/clinic/traceback.c.h
parentcf5e438c0297954c4411c1c3ae4ba67a48b134ea (diff)
downloadcpython-8614f86b7163b1c39798b481902dbb511292a537.tar.gz
cpython-8614f86b7163b1c39798b481902dbb511292a537.zip
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 'Python/clinic/traceback.c.h')
-rw-r--r--Python/clinic/traceback.c.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/Python/clinic/traceback.c.h b/Python/clinic/traceback.c.h
index 5eb31a18946..deae2efa3eb 100644
--- a/Python/clinic/traceback.c.h
+++ b/Python/clinic/traceback.c.h
@@ -29,9 +29,11 @@ tb_new(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(tb_next), &_Py_ID(tb_frame), &_Py_ID(tb_lasti), &_Py_ID(tb_lineno), },
};
#undef NUM_KEYWORDS
@@ -130,4 +132,4 @@ traceback_tb_next_set(PyObject *self, PyObject *value, void *Py_UNUSED(context))
return return_value;
}
-/*[clinic end generated code: output=ca43786e235e38f4 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=5361141395da963e input=a9049054013a1b77]*/