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bpo-46564: Optimize super().meth() calls via adaptive superinstructions #30992

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bpo-46564: Optimize super().meth() calls via adaptive superinstructions #30992

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3b12d1b
Near zero-cost super().meth() calls
Fidget-Spinner Jan 28, 2022
5b7a98d
remove py_stats
Fidget-Spinner Jan 28, 2022
efb0ae3
Add vladima to co-authors
Fidget-Spinner Jan 28, 2022
e037a56
Merge remote-tracking branch 'upstream/main' into zero_cost_super
Fidget-Spinner Jan 28, 2022
9d64819
fix merge errors
Fidget-Spinner Jan 28, 2022
ac19aa1
Update test_frozenmain.h
Fidget-Spinner Jan 28, 2022
1f9bb6c
fix formatting, correct specialization
Fidget-Spinner Jan 28, 2022
f4cd3f9
work with new call convention
Fidget-Spinner Jan 28, 2022
19880a9
partially address review: fix tests, add asserts, add cache modificat…
Fidget-Spinner Jan 29, 2022
696a0e8
fix refleak
Fidget-Spinner Jan 29, 2022
01202ee
Merge remote-tracking branch 'upstream/main' into zero_cost_super
Fidget-Spinner Feb 1, 2022
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fix refleak
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@Fidget-Spinner
Fidget-Spinner committed Jan 29, 2022
commit 696a0e8c3591ba276c6cc102573010aa228939ed
3 changes: 2 additions & 1 deletion Python/specialize.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1421,12 +1421,13 @@ specialize_class_call(
SPECIALIZATION_FAIL(CALL, SPEC_FAIL_OTHER);
return -1;
}
Py_DECREF(meth);
if (!meth_found) {
SPECIALIZATION_FAIL(CALL, SPEC_FAIL_NOT_DESCRIPTOR);
return -1;
}
cache->adaptive.version = su_type->tp_version_tag;
cache1->obj = meth;
cache1->obj = meth; /* borrowed */
lm_adaptive->version = Py_TYPE(su_obj)->tp_version_tag;
*instr = _Py_MAKECODEUNIT(nargs == 0 ? CALL_NO_KW_SUPER_0__LOAD_METHOD_CACHED
: CALL_NO_KW_SUPER_2__LOAD_METHOD_CACHED, _Py_OPARG(*instr));
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