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URL: http://github.com/python/cpython/pull/148730/files

l" rel="stylesheet" href="https://github.githubassets.com/assets/code-d879d5822ad7d2fb.css" /> gh-148571: [JIT] Preserve family-head recorder layouts for specialized opcode families by cocolato · Pull Request #148730 · python/cpython · GitHub
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gh-148571: [JIT] Preserve family-head recorder layouts for specialized opcode families #148730

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gh-148571: [JIT] Preserve family-head recorder layouts for specialized opcode families #148730

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ffa4177
support family-head recorder
cocolato Apr 18, 2026
13c0603
Merge branch 'main' into jit_record_family
cocolato Apr 18, 2026
dcda8e7
regen cases
cocolato Apr 18, 2026
e76e002
📜🤖 Added by blurb_it.
blurb-it[bot] Apr 18, 2026
1004eff
fix GET_ITER
cocolato Apr 18, 2026
33093df
add record slots map
cocolato Apr 19, 2026
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32 changes: 16 additions & 16 deletions Include/internal/pycore_opcode_metadata.h
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8 changes: 8 additions & 0 deletions Include/internal/pycore_optimizer.h
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Original file line number Diff line number Diff line change
Expand Up @@ -489,7 +489,15 @@ typedef struct {
uint8_t count;
uint8_t indices[MAX_RECORDED_VALUES];
} _PyOpcodeRecordEntry;

typedef struct {
uint8_t count;
uint8_t needs_family_transform;
uint8_t slots[MAX_RECORDED_VALUES];
} _PyOpcodeRecordSlotMap;

PyAPI_DATA(const _PyOpcodeRecordEntry) _PyOpcode_RecordEntries[256];
PyAPI_DATA(const _PyOpcodeRecordSlotMap) _PyOpcode_RecordSlotMaps[256];
#endif

#ifdef __cplusplus
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