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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
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
102 changed files with 1218 additions and 183 deletions
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22
Modules/clinic/_opcode.c.h generated
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@ -31,9 +31,11 @@ _opcode_stack_effect(PyObject *module, PyObject *const *args, Py_ssize_t nargs,
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(jump), },
};
#undef NUM_KEYWORDS
@ -109,9 +111,11 @@ _opcode_is_valid(PyObject *module, 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(opcode), },
};
#undef NUM_KEYWORDS
@ -173,9 +177,11 @@ _opcode_has_arg(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObj
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(opcode), },
};
#undef NUM_KEYWORDS
@ -237,9 +243,11 @@ _opcode_has_const(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyO
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(opcode), },
};
#undef NUM_KEYWORDS
@ -301,9 +309,11 @@ _opcode_has_name(PyObject *module, 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(opcode), },
};
#undef NUM_KEYWORDS
@ -365,9 +375,11 @@ _opcode_has_jump(PyObject *module, 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(opcode), },
};
#undef NUM_KEYWORDS
@ -434,9 +446,11 @@ _opcode_has_free(PyObject *module, 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(opcode), },
};
#undef NUM_KEYWORDS
@ -498,9 +512,11 @@ _opcode_has_local(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyO
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(opcode), },
};
#undef NUM_KEYWORDS
@ -562,9 +578,11 @@ _opcode_has_exc(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObj
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(opcode), },
};
#undef NUM_KEYWORDS
@ -718,9 +736,11 @@ _opcode_get_executor(PyObject *module, PyObject *const *args, Py_ssize_t nargs,
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(code), &_Py_ID(offset), },
};
#undef NUM_KEYWORDS
@ -756,4 +776,4 @@ _opcode_get_executor(PyObject *module, PyObject *const *args, Py_ssize_t nargs,
exit:
return return_value;
}
/*[clinic end generated code: output=2e0c39286d0253e7 input=a9049054013a1b77]*/
/*[clinic end generated code: output=a11f02989c3175d7 input=a9049054013a1b77]*/