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

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This speeds up `super()` (by around 85%, for a simple one-level
`super().meth()` microbenchmark) by avoiding allocation of a new
single-use `super()` object on each use.
This commit is contained in:
Carl Meyer 2023-04-24 16:22:14 -06:00 • committed by GitHub
parent 22bed58e53
commit 0dc8b50d33
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 783 additions and 408 deletions
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8
Python/opcode_targets.h generated
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@ -140,9 +140,9 @@ static void *opcode_targets[256] = {
&&TARGET_STORE_DEREF,
&&TARGET_DELETE_DEREF,
&&TARGET_JUMP_BACKWARD,
&&TARGET_STORE_FAST__STORE_FAST,
&&TARGET_LOAD_SUPER_ATTR,
&&TARGET_CALL_FUNCTION_EX,
&&TARGET_STORE_SUBSCR_DICT,
&&TARGET_STORE_FAST__STORE_FAST,
&&TARGET_EXTENDED_ARG,
&&TARGET_LIST_APPEND,
&&TARGET_SET_ADD,
@ -152,15 +152,15 @@ static void *opcode_targets[256] = {
&&TARGET_YIELD_VALUE,
&&TARGET_RESUME,
&&TARGET_MATCH_CLASS,
&&TARGET_STORE_SUBSCR_DICT,
&&TARGET_STORE_SUBSCR_LIST_INT,
&&TARGET_UNPACK_SEQUENCE_LIST,
&&TARGET_FORMAT_VALUE,
&&TARGET_BUILD_CONST_KEY_MAP,
&&TARGET_BUILD_STRING,
&&TARGET_UNPACK_SEQUENCE_LIST,
&&TARGET_UNPACK_SEQUENCE_TUPLE,
&&TARGET_UNPACK_SEQUENCE_TWO_TUPLE,
&&TARGET_SEND_GEN,
&&_unknown_opcode,
&&TARGET_LIST_EXTEND,
&&TARGET_SET_UPDATE,
&&TARGET_DICT_MERGE,