GH-136410: Faster side exits by using a cold exit stub (GH-136411)
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This commit is contained in:
Mark Shannon 2025-08-01 16:26:07 +01:00 committed by GitHub
parent 718e0c89ba
commit e7b55f564d
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GPG key ID: B5690EEEBB952194
15 changed files with 387 additions and 267 deletions

View file

@ -359,7 +359,6 @@ _PyFrame_SetStackPointer(frame, stack_pointer)
do { \
OPT_STAT_INC(traces_executed); \
_PyExecutorObject *_executor = (EXECUTOR); \
tstate->current_executor = (PyObject *)_executor; \
jit_func jitted = _executor->jit_code; \
/* Keep the shim frame alive via the executor: */ \
Py_INCREF(_executor); \
@ -378,9 +377,8 @@ do { \
do { \
OPT_STAT_INC(traces_executed); \
_PyExecutorObject *_executor = (EXECUTOR); \
tstate->current_executor = (PyObject *)_executor; \
next_uop = _executor->trace; \
assert(next_uop->opcode == _START_EXECUTOR); \
assert(next_uop->opcode == _START_EXECUTOR || next_uop->opcode == _COLD_EXIT); \
goto enter_tier_two; \
} while (0)
#endif
@ -390,7 +388,6 @@ do { \
{ \
tstate->current_executor = NULL; \
next_instr = (TARGET); \
assert(tstate->current_executor == NULL); \
OPT_HIST(trace_uop_execution_counter, trace_run_length_hist); \
_PyFrame_SetStackPointer(frame, stack_pointer); \
stack_pointer = _PyFrame_GetStackPointer(frame); \