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gh-141504: Factor out tracing and optimization heuristics into a single object (gh-143381)

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Donghee Na 2026-01-04 00:22:14 +09:00 • committed by GitHub
parent 3c56f9e2cc
commit 12283f6373
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7 changed files with 67 additions and 14 deletions
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9
Python/optimizer.c
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@ -113,7 +113,7 @@ insert_executor(PyCodeObject *code, _Py_CODEUNIT *instr, int index, _PyExecutorO
}
static _PyExecutorObject *
make_executor_from_uops(_PyUOpInstruction *buffer, int length, const _PyBloomFilter *dependencies, int chain_depth);
make_executor_from_uops(_PyThreadStateImpl *tstate, _PyUOpInstruction *buffer, int length, const _PyBloomFilter *dependencies);
static int
uop_optimize(_PyInterpreterFrame *frame, PyThreadState *tstate,
@ -1328,7 +1328,7 @@ sanity_check(_PyExecutorObject *executor)
* and not a NOP.
*/
static _PyExecutorObject *
make_executor_from_uops(_PyUOpInstruction *buffer, int length, const _PyBloomFilter *dependencies, int chain_depth)
make_executor_from_uops(_PyThreadStateImpl *tstate, _PyUOpInstruction *buffer, int length, const _PyBloomFilter *dependencies)
{
int exit_count = count_exits(buffer, length);
_PyExecutorObject *executor = allocate_executor(exit_count, length);
@ -1337,12 +1337,13 @@ make_executor_from_uops(_PyUOpInstruction *buffer, int length, const _PyBloomFil
}
/* Initialize exits */
int chain_depth = tstate->jit_tracer_state.initial_state.chain_depth;
_PyExecutorObject *cold = _PyExecutor_GetColdExecutor();
_PyExecutorObject *cold_dynamic = _PyExecutor_GetColdDynamicExecutor();
cold->vm_data.chain_depth = chain_depth;
for (int i = 0; i < exit_count; i++) {
executor->exits[i].index = i;
executor->exits[i].temperature = initial_temperature_backoff_counter();
executor->exits[i].temperature = initial_temperature_backoff_counter(&tstate->policy);
}
int next_exit = exit_count-1;
_PyUOpInstruction *dest = (_PyUOpInstruction *)&executor->trace[length];
@ -1510,7 +1511,7 @@ uop_optimize(
length = prepare_for_execution(buffer, length);
assert(length <= UOP_MAX_TRACE_LENGTH);
_PyExecutorObject *executor = make_executor_from_uops(
buffer, length, dependencies, _tstate->jit_tracer_state.initial_state.chain_depth);
_tstate, buffer, length, dependencies);
if (executor == NULL) {
return -1;
}