8000 gh-87729: add LOAD_SUPER_ATTR instruction for faster super() by carljm · Pull Request #103497 · python/cpython · GitHub
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gh-87729: add LOAD_SUPER_ATTR instruction for faster super() #103497

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Merged
merged 23 commits into from
Apr 24, 2023
Merged

gh-87729: add LOAD_SUPER_ATTR instruction for faster super() #103497

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0a0ebe2
gh-87729: add instruction for faster zero-arg super()
carljm Apr 10, 2023
f14a3bf
add news entry
carljm Apr 13, 2023
5625e73
document LOAD_ZERO_SUPER_ATTR
carljm Apr 13, 2023
0775efe
fix gdb test_wrapper_call
carljm Apr 13, 2023
f229b5b
optimize 2-arg super also
carljm Apr 13, 2023
626999d
fix incompatible assignment
carljm Apr 13, 2023
9384106
Merge branch 'main' into superopt
carljm Apr 13, 2023
92c943b
fix bad first arg
carljm Apr 13, 2023
775ed0f
Apply suggestions from code review
carljm Apr 14, 2023
2077f1a
don't unnecessarily re-find args in error case
carljm Apr 14, 2023
64da49f
Merge branch 'main' into superopt
carljm Apr 14, 2023
4759ad9
update generated cases
carljm Apr 14, 2023
94399c2
fix incompatible types
carljm Apr 14, 2023
5136459
Merge branch 'main' into superopt
carljm Apr 17, 2023
82945b2
review comments
carljm Apr 17, 2023
3a3cb74
update generated cases with new comment
carljm Apr 17, 2023
e4466a7
simplify oparg & 2 handling
carljm Apr 19, 2023
5c0a21c
Merge branch 'main' into superopt
carljm Apr 19, 2023
f161268
cleanup and clarification
carljm Apr 20, 2023
df442c0
move __class__ special case out of the fast path
carljm Apr 20, 2023
19b8025
Merge branch 'main' into superopt
carljm Apr 24, 2023
0de5bc6
Merge branch 'main' into superopt
carljm Apr 24, 2023
dbe1665
Merge branch 'main' into superopt
carljm Apr 24, 2023
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@carljm
carljm committed Apr 17, 2023
commit 82945b28261c6e7ce9cf703ba67271f73d88b6a7
2 changes: 1 addition & 1 deletion Misc/NEWS.d/next/Core and Builtins/2023-04-12-20-22-03.gh-issue-87729.99A7UO.rst
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@@ -1 +1 @@
Speed up ``super().meth()`` calls.
Add :opcode:`LOAD_SUPER_ATTR` to speed up ``super().meth()`` and ``super().attr`` calls.
1 change: 1 addition & 0 deletions Python/bytecodes.c
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Expand Up @@ -1565,6 +1565,7 @@ dummy_func(
Py_DECREF(self);
ERROR_IF(true, error);
}
// Works with CALL, pushes two values: either `meth | self` or `NULL | meth`.
if (meth_found) {
res2 = res;
res = self; // transfer ownership
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