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GH-112354: Initial implementation of warm up on exits and trace-stitching (GH-114142)

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Mark Shannon 2024-02-20 09:39:55 +00:00 • committed by GitHub
parent acda1757bc
commit 7b21403ccd
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GPG key ID: B5690EEEBB952194
29 changed files with 744 additions and 198 deletions
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30
Tools/jit/template.c
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@ -38,6 +38,20 @@
goto LABEL ## _tier_two; \
} while (0)
#undef GOTO_TIER_TWO
#define GOTO_TIER_TWO(EXECUTOR) \
do { \
__attribute__((musttail)) \
return ((jit_func)((EXECUTOR)->jit_code))(frame, stack_pointer, tstate); \
} while (0)
#undef GOTO_TIER_ONE
#define GOTO_TIER_ONE(TARGET) \
do { \
_PyFrame_SetStackPointer(frame, stack_pointer); \
return TARGET; \
} while (0)
#undef LOAD_IP
#define LOAD_IP(UNUSED) \
do { \
@ -59,7 +73,6 @@ _JIT_ENTRY(_PyInterpreterFrame *frame, PyObject **stack_pointer, PyThreadState *
PATCH_VALUE(_PyExecutorObject *, current_executor, _JIT_EXECUTOR)
int oparg;
int opcode = _JIT_OPCODE;
_PyUOpInstruction *next_uop;
// Other stuff we need handy:
PATCH_VALUE(uint16_t, _oparg, _JIT_OPARG)
PATCH_VALUE(uint64_t, _operand, _JIT_OPERAND)
@ -90,9 +103,16 @@ pop_2_error_tier_two:
pop_1_error_tier_two:
STACK_SHRINK(1);
error_tier_two:
_PyFrame_SetStackPointer(frame, stack_pointer);
return NULL;
tstate->previous_executor = (PyObject *)current_executor;
GOTO_TIER_ONE(NULL);
deoptimize:
_PyFrame_SetStackPointer(frame, stack_pointer);
return _PyCode_CODE(_PyFrame_GetCode(frame)) + _target;
tstate->previous_executor = (PyObject *)current_executor;
GOTO_TIER_ONE(_PyCode_CODE(_PyFrame_GetCode(frame)) + _target);
side_exit:
{
_PyExitData *exit = &current_executor->exits[_target];
Py_INCREF(exit->executor);
tstate->previous_executor = (PyObject *)current_executor;
GOTO_TIER_TWO(exit->executor);
}
}