10000 gh-114682: Improve performance of module state access in `_decimal` by neonene · Pull Request #115401 · python/cpython · GitHub
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gh-114682: Improve performance of module state access in _decimal #115401

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gh-114682: Improve performance of module state access in _decimal #115401

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a1b7853
Fix ieee_context()
neonene Feb 13, 2024
9f8e493
carry module state by Decimal/Context objects
neonene Feb 17, 2024
c829ce6
Do not carry module state by Decimal
neonene Feb 17, 2024
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Do not carry module state by Decimal
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@neonene
neonene committed Feb 17, 2024
commit c829ce6dcf92b7b70f29588cd0d532ffbce3286c
69 changes: 31 additions & 38 deletions Modules/_decimal/_decimal.c
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Original file line number Diff line number Diff line change
Expand Up @@ -187,7 +187,6 @@ typedef struct {
Py_hash_t hash;
mpd_t dec;
mpd_uint_t data[_Py_DEC_MINALLOC];
decimal_state *mstate;
} PyDecObject;

typedef struct {
Expand Down Expand Up @@ -223,14 +222,6 @@ typedef struct {
#define CTX(v) (&((PyDecContextObject *)v)->ctx)
#define CtxCaps(v) (((PyDecContextObject *)v)->capitals)

static inline decimal_state *
dec_get_module_state(PyObject *v) {
decimal_state *state = ((PyDecObject *)v)->mstate;
assert(state != NULL);
assert(PyDec_Check(state, v));
return state;
}

static inline decimal_state *
ctx_get_module_state(PyObject *v) {
decimal_state *state = ((PyDecContextObject *)v)->mstate;
Expand Down Expand Up @@ -2060,7 +2051,6 @@ PyDecType_New(decimal_state *state, PyTypeObject *type)
}

dec->hash = -1;
dec->mstate = state;

MPD(dec)->flags = MPD_STATIC|MPD_STATIC_DATA;
MPD(dec)->exp = 0;
Expand Down Expand Up @@ -3304,7 +3294,7 @@ dec_str(PyObject *dec)
mpd_ssize_t size;
char *cp;

decimal_state *state = dec_get_module_state(dec);
decimal_state *state = get_module_state_by_def(Py_TYPE(dec));
CURRENT_CONTEXT(state, context);
size = mpd_to_sci_size(&cp, MPD(dec), CtxCaps(context));
if (size < 0) {
Expand All @@ -3323,7 +3313,7 @@ dec_repr(PyObject *dec)
{
PyObject *res, *context;
char *cp;
decimal_state *state = dec_get_module_state(dec);
decimal_state *state = get_module_state_by_def(Py_TYPE(dec));
CURRENT_CONTEXT(state, context);
cp = mpd_to_sci(MPD(dec), CtxCaps(context));
if (cp == NULL) {
Expand Down Expand Up @@ -3472,7 +3462,7 @@ dec_format(PyObject *dec, PyObject *args)
Py_ssize_t size;


decimal_state *state = dec_get_module_state(dec);
decimal_state *state = get_module_state_by_def(Py_TYPE(dec));
CURRENT_CONTEXT(state, context);
if (!PyArg_ParseTuple(args, "O|O", &fmtarg, &override)) {
return NULL;
Expand Down Expand Up @@ -3690,7 +3680,7 @@ dec_as_integer_ratio(PyObject *self, PyObject *args UNUSED)
return NULL;
}

decimal_state *state = dec_get_module_state(self);
decimal_state *state = get_module_state_by_def(Py_TYPE(self));
CURRENT_CONTEXT(state, context);

tmp = dec_alloc(state);
Expand Down Expand Up @@ -3783,7 +3773,7 @@ PyDec_ToIntegralValue(PyObject *dec, PyObject *args, PyObject *kwds)
&rounding, &context)) {
return NULL;
}
decimal_state *state = dec_get_module_state(dec);
decimal_state *state = get_module_state_by_def(Py_TYPE(dec));
CONTEXT_CHECK_VA(state, context);

workctx = *CTX(context);
Expand Down Expand Up @@ -3825,7 +3815,7 @@ PyDec_ToIntegralExact(PyObject *dec, PyObject *args, PyObject *kwds)
&rounding, &context)) {
return NULL;
}
decimal_state *state = dec_get_module_state(dec);
decimal_state *state = get_module_state_by_def(Py_TYPE(dec));
CONTEXT_CHECK_VA(state, context);

workctx = *CTX(context);
Expand Down Expand Up @@ -3893,7 +3883,7 @@ PyDec_Round(PyObject *dec, PyObject *args)
uint32_t status = 0;
PyObject *context;

decimal_state *state = dec_get_module_state(dec);
decimal_state *state = get_module_state_by_def(Py_TYPE(dec));
CURRENT_CONTEXT(state, context);
if (!PyArg_ParseTuple(args, "|O", &x)) {
return NULL;
Expand Down Expand Up @@ -4015,7 +4005,7 @@ PyDec_AsTuple(PyObject *dec, PyObject *dummy UNUSED)
}
}

decimal_state *state = dec_get_module_state(dec);
decimal_state *state = get_module_state_by_def(Py_TYPE(dec));
result = PyObject_CallFunctionObjArgs((PyObject *)state->DecimalTuple,
sign, coeff, expt, NULL);

Expand All @@ -4042,7 +4032,7 @@ nm_##MPDFUNC(PyObject *self) \
PyObject *context; \
uint32_t status = 0; \
\
decimal_state *state = dec_get_module_state(self); \
decimal_state *state = get_module_state_by_def(Py_TYPE(self)); \
CURRENT_CONTEXT(state, context); \
if ((result = dec_alloc(state)) == NULL) { \
return NULL; \
Expand Down Expand Up @@ -4108,7 +4098,7 @@ dec_##MPDFUNC(PyObject *self, PyObject *args, PyObject *kwds) \
&context)) { \
return NULL; \
} \
decimal_state *state = dec_get_module_state(self); \
decimal_state *state = get_module_state_by_def(Py_TYPE(self)); \
CONTEXT_CHECK_VA(state, context); \
\
return MPDFUNC(MPD(self), CTX(context)) ? incr_true() : incr_false(); \
Expand All @@ -4128,7 +4118,8 @@ dec_##MPDFUNC(PyObject *self, PyObject *args, PyObject *kwds) \
&context)) { \
return NULL; \
} \
decimal_state *state = dec_get_module_state(self); \
decimal_state *state = \
get_module_state_by_def(Py_TYPE(self)); \
CONTEXT_CHECK_VA(state, context); \
\
if ((result = dec_alloc(state)) == NULL) { \
Expand Down Expand Up @@ -4160,7 +4151,8 @@ dec_##MPDFUNC(PyObject *self, PyObject *args, PyObject *kwds) \
&other, &context)) { \
return NULL; \
} \
decimal_state *state = dec_get_module_state(self); \
decimal_state *state = \
get_module_state_by_def(Py_TYPE(self)); \
CONTEXT_CHECK_VA(state, context); \
CONVERT_BINOP_RAISE(&a, &b, self, other, context); \
\
Expand Down Expand Up @@ -4198,7 +4190,8 @@ dec_##MPDFUNC(PyObject *self, PyObject *args, PyObject *kwds) \
&other, &context)) { \
return NULL; \
} \
decimal_state *state = dec_get_module_state(self); \
decimal_state *state = \
get_module_state_by_def(Py_TYPE(self)); \
CONTEXT_CHECK_VA(state, context); \
CONVERT_BINOP_RAISE(&a, &b, self, other, context); \
\
Expand Down Expand Up @@ -4231,7 +4224,7 @@ dec_##MPDFUNC(PyObject *self, PyObject *args, PyObject *kwds) \
&other, &third, &context)) { \
return NULL; \
} \
decimal_state *state = dec_get_module_state(self); \
decimal_state *state = get_module_state_by_def(Py_TYPE(self)); \
CONTEXT_CHECK_VA(state, context); \
CONVERT_TERNOP_RAISE(&a, &b, &c, self, other, third, context); \
\
Expand Down Expand Up @@ -4274,7 +4267,7 @@ static PyObject *
nm_dec_as_long(PyObject *dec)
{
PyObject *context;
decimal_state *state = dec_get_module_state(dec);
decimal_state *state = get_module_state_by_def(Py_TYPE(dec));
CURRENT_CONTEXT(state, context);
return dec_as_long(dec, context, MPD_ROUND_DOWN);
}
Expand Down Expand Up @@ -4460,7 +4453,7 @@ _dec_mpd_radix(decimal_state *state)
static PyObject *
dec_mpd_radix(PyObject *self, PyObject *dummy UNUSED)
{
decimal_state *state = dec_get_module_state(self);
decimal_state *state = get_module_state_by_def(Py_TYPE(self));
return _dec_mpd_radix(state);
}

Expand All @@ -4470,7 +4463,7 @@ dec_mpd_qcopy_abs(PyObject *self, PyObject *dummy UNUSED)
PyObject *result;
uint32_t status = 0;

decimal_state *state = dec_get_module_state(self);
decimal_state *state = get_module_state_by_def(Py_TYPE(self));
if ((result = dec_alloc(state)) == NULL) {
return NULL;
}
Expand All @@ -4491,7 +4484,7 @@ dec_mpd_qcopy_negate(PyObject *self, PyObject *dummy UNUSED)
PyObject *result;
uint32_t status = 0;

decimal_state *state = dec_get_module_state(self);
decimal_state *state = get_module_state_by_def(Py_TYPE(self));
if ((result = dec_alloc(state)) == NULL) {
return NULL;
}
Expand Down Expand Up @@ -4521,7 +4514,7 @@ dec_mpd_class(PyObject *self, PyObject *args, PyObject *kwds)
&context)) {
return NULL;
}
decimal_state *state = dec_get_module_state(self);
decimal_state *state = get_module_state_by_def(Py_TYPE(self));
CONTEXT_CHECK_VA(state, context);

cp = mpd_class(MPD(self), CTX(context));
Expand All @@ -4541,7 +4534,7 @@ dec_mpd_to_eng(PyObject *self, PyObject *args, PyObject *kwds)
&context)) {
return NULL;
}
decimal_state *state = dec_get_module_state(self);
decimal_state *state = get_module_state_by_def(Py_TYPE(self));
CONTEXT_CHECK_VA(state, context);

size = mpd_to_eng_size(&s, MPD(self), CtxCaps(context));
Expand Down Expand Up @@ -4574,7 +4567,7 @@ dec_mpd_qcopy_sign(PyObject *self, PyObject *args, PyObject *kwds)
&other, &context)) {
return NULL;
}
decimal_state *state = dec_get_module_state(self);
decimal_state *state = get_module_state_by_def(Py_TYPE(self));
CONTEXT_CHECK_VA(state, context);
CONVERT_BINOP_RAISE(&a, &b, self, other, context);

Expand Down Expand Up @@ -4609,7 +4602,7 @@ dec_mpd_same_quantum(PyObject *self, PyObject *args, PyObject *kwds)
&other, &context)) {
return NULL;
}
decimal_state *state = dec_get_module_state(self);
decimal_state *state = get_module_state_by_def(Py_TYPE(self));
CONTEXT_CHECK_VA(state, context);
CONVERT_BINOP_RAISE(&a, &b, self, other, context);

Expand Down Expand Up @@ -4644,7 +4637,7 @@ dec_mpd_qquantize(PyObject *v, PyObject *args, PyObject *kwds)
&w, &rounding, &context)) {
return NULL;
}
decimal_state *state = dec_get_module_state(v);
decimal_state *state = get_module_state_by_def(Py_TYPE(v));
CONTEXT_CHECK_VA(state, context);

workctx = *CTX(context);
Expand Down Expand Up @@ -4689,7 +4682,7 @@ dec_richcompare(PyObject *v, PyObject *w, int op)
int a_issnan, b_issnan;
int r;

decimal_state *state = dec_get_module_state(v);
decimal_state *state = get_module_state_by_def(Py_TYPE(v));
assert(PyDec_Check(state, v));

CURRENT_CONTEXT(state, context);
Expand Down Expand Up @@ -4743,7 +4736,7 @@ dec_ceil(PyObject *self, PyObject *dummy UNUSED)
{
PyObject *context;

decimal_state *state = dec_get_module_state(self);
decimal_state *state = get_module_state_by_def(Py_TYPE(self));
CURRENT_CONTEXT(state, context);
return dec_as_long(self, context, MPD_ROUND_CEILING);
}
Expand Down Expand Up @@ -4782,7 +4775,7 @@ dec_floor(PyObject *self, PyObject *dummy UNUSED)
{
PyObject *context;

decimal_state *state = dec_get_module_state(self);
decimal_state *state = get_module_state_by_def(Py_TYPE(self));
CURRENT_CONTEXT(state, context);
return dec_as_long(self, context, MPD_ROUND_FLOOR);
}
Expand Down Expand Up @@ -4947,7 +4940,7 @@ dec_trunc(PyObject *self, PyObject *dummy UNUSED)
{
PyObject *context;

decimal_state *state = dec_get_module_state(self);
decimal_state *state = get_module_state_by_def(Py_TYPE(self));
CURRENT_CONTEXT(state, context);
return dec_as_long(self, context, MPD_ROUND_DOWN);
}
Expand All @@ -4964,7 +4957,7 @@ dec_imag(PyObject *self UNUSED, void *closure UNUSED)
{
PyObject *result;

decimal_state *state = dec_get_module_state(self);
decimal_state *state = get_module_state_by_def(Py_TYPE(self));
result = dec_alloc(state);
if (result == NULL) {
return NULL;
Expand Down
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