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GH-129709: Clean up tier two (GH-129710)

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Brandt Bucher 2025-02-07 09:52:49 -08:00 • committed by GitHub
parent fbaa6c8ff0
commit 70e387c990
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GPG key ID: B5690EEEBB952194
12 changed files with 97 additions and 348 deletions
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40
Python/bytecodes.c
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@ -3526,6 +3526,7 @@ dummy_func(
}
op(_MAYBE_EXPAND_METHOD, (callable[1], self_or_null[1], args[oparg] -- func[1], maybe_self[1], args[oparg])) {
(void)args;
if (PyStackRef_TYPE(callable[0]) == &PyMethod_Type && PyStackRef_IsNull(self_or_null[0])) {
PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable[0]);
PyObject *self = ((PyMethodObject *)callable_o)->im_self;
@ -3892,6 +3893,7 @@ dummy_func(
_CHECK_PERIODIC;
op(_CHECK_AND_ALLOCATE_OBJECT, (type_version/2, callable[1], null[1], args[oparg] -- init[1], self[1], args[oparg])) {
(void)args;
PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable[0]);
DEOPT_IF(!PyStackRef_IsNull(null[0]));
DEOPT_IF(!PyType_Check(callable_o));
@ -4119,7 +4121,7 @@ dummy_func(
PyObject *res_o = PyLong_FromSsize_t(len_i);
assert((res_o != NULL) ^ (_PyErr_Occurred(tstate) != NULL));
if (res_o == NULL) {
GOTO_ERROR(error);
ERROR_NO_POP();
}
PyStackRef_CLOSE(arg_stackref);
DEAD(args);
@ -4364,6 +4366,7 @@ dummy_func(
}
op(_MAYBE_EXPAND_METHOD_KW, (callable[1], self_or_null[1], args[oparg], kwnames_in -- func[1], maybe_self[1], args[oparg], kwnames_out)) {
(void)args;
if (PyStackRef_TYPE(callable[0]) == &PyMethod_Type && PyStackRef_IsNull(self_or_null[0])) {
PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable[0]);
PyObject *self = ((PyMethodObject *)callable_o)->im_self;
@ -5022,7 +5025,7 @@ dummy_func(
if (frame->lltrace >= 2) {
printf("SIDE EXIT: [UOp ");
_PyUOpPrint(&next_uop[-1]);
printf(", exit %u, temp %d, target %d -> %s]\n",
printf(", exit %lu, temp %d, target %d -> %s]\n",
exit - current_executor->exits, exit->temperature.value_and_backoff,
(int)(target - _PyFrame_GetBytecode(frame)),
_PyOpcode_OpName[target->op.code]);
@ -5032,11 +5035,11 @@ dummy_func(
exit->temperature = initial_temperature_backoff_counter();
Py_CLEAR(exit->executor);
}
tstate->previous_executor = (PyObject *)current_executor;
if (exit->executor == NULL) {
_Py_BackoffCounter temperature = exit->temperature;
if (!backoff_counter_triggers(temperature)) {
exit->temperature = advance_backoff_counter(temperature);
tstate->previous_executor = (PyObject *)current_executor;
GOTO_TIER_ONE(target);
}
_PyExecutorObject *executor;
@ -5049,20 +5052,13 @@ dummy_func(
int optimized = _PyOptimizer_Optimize(frame, target, &executor, chain_depth);
if (optimized <= 0) {
exit->temperature = restart_backoff_counter(temperature);
if (optimized < 0) {
GOTO_UNWIND();
}
tstate->previous_executor = (PyObject *)current_executor;
GOTO_TIER_ONE(target);
}
else {
exit->temperature = initial_temperature_backoff_counter();
GOTO_TIER_ONE(optimized < 0 ? NULL : target);
}
exit->temperature = initial_temperature_backoff_counter();
}
exit->executor = executor;
}
Py_INCREF(exit->executor);
tstate->previous_executor = (PyObject *)current_executor;
GOTO_TIER_TWO(exit->executor);
}
@ -5130,7 +5126,7 @@ dummy_func(
if (frame->lltrace >= 2) {
printf("DYNAMIC EXIT: [UOp ");
_PyUOpPrint(&next_uop[-1]);
printf(", exit %u, temp %d, target %d -> %s]\n",
printf(", exit %lu, temp %d, target %d -> %s]\n",
exit - current_executor->exits, exit->temperature.value_and_backoff,
(int)(target - _PyFrame_GetBytecode(frame)),
_PyOpcode_OpName[target->op.code]);
@ -5150,21 +5146,15 @@ dummy_func(
int optimized = _PyOptimizer_Optimize(frame, target, &executor, 0);
if (optimized <= 0) {
exit->temperature = restart_backoff_counter(exit->temperature);
if (optimized < 0) {
GOTO_UNWIND();
}
GOTO_TIER_ONE(target);
}
else {
exit->temperature = initial_temperature_backoff_counter();
GOTO_TIER_ONE(optimized < 0 ? NULL : target);
}
exit->temperature = initial_temperature_backoff_counter();
}
GOTO_TIER_TWO(executor);
}
tier2 op(_START_EXECUTOR, (executor/4 --)) {
Py_DECREF(tstate->previous_executor);
tstate->previous_executor = NULL;
Py_CLEAR(tstate->previous_executor);
#ifndef _Py_JIT
current_executor = (_PyExecutorObject*)executor;
#endif
@ -5190,14 +5180,16 @@ dummy_func(
}
tier2 op(_DEOPT, (--)) {
EXIT_TO_TIER1();
tstate->previous_executor = (PyObject *)current_executor;
GOTO_TIER_ONE(_PyFrame_GetBytecode(frame) + CURRENT_TARGET());
}
tier2 op(_ERROR_POP_N, (target/2 --)) {
tstate->previous_executor = (PyObject *)current_executor;
assert(oparg == 0);
frame->instr_ptr = _PyFrame_GetBytecode(frame) + target;
SYNC_SP();
GOTO_UNWIND();
GOTO_TIER_ONE(NULL);
}
/* Progress is guaranteed if we DEOPT on the eval breaker, because