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Tier 2 cleanups and tweaks (#115534)

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* Rename `_testinternalcapi.get_{uop,counter}_optimizer` to `new_*_optimizer`
* Use `_PyUOpName()` instead of` _PyOpcode_uop_name[]`
* Add `target` to executor iterator items -- `list(ex)` now returns `(opcode, oparg, target, operand)` quadruples
* Add executor methods `get_opcode()` and `get_oparg()` to get `vmdata.opcode`, `vmdata.oparg`
* Define a helper for printing uops, and unify various places where they are printed
* Add a hack to summarize_stats.py to fix legacy uop names (e.g. `POP_TOP` -> `_POP_TOP`)
* Define helpers in `test_opt.py` for accessing the set or list of opnames of an executor
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Guido van Rossum 2024-02-20 12:24:35 -08:00 • committed by GitHub
parent 520403ed4c
commit 142502ea8d
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8 changed files with 206 additions and 124 deletions
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12
Python/specialize.c
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@ -17,6 +17,7 @@
#include <stdlib.h> // rand()
extern const char *_PyUOpName(int index);
/* For guidance on adding or extending families of instructions see
* ./adaptive.md
@ -246,17 +247,12 @@ print_optimization_stats(FILE *out, OptimizationStats *stats)
stats->optimizer_failure_reason_no_memory);
const char* const* names;
for (int i = 0; i < 512; i++) {
if (i < 256) {
names = _PyOpcode_OpName;
} else {
names = _PyOpcode_uop_name;
}
for (int i = 0; i <= MAX_UOP_ID; i++) {
if (stats->opcode[i].execution_count) {
fprintf(out, "uops[%s].execution_count : %" PRIu64 "\n", names[i], stats->opcode[i].execution_count);
fprintf(out, "uops[%s].execution_count : %" PRIu64 "\n", _PyUOpName(i), stats->opcode[i].execution_count);
}
if (stats->opcode[i].miss) {
fprintf(out, "uops[%s].specialization.miss : %" PRIu64 "\n", names[i], stats->opcode[i].miss);
fprintf(out, "uops[%s].specialization.miss : %" PRIu64 "\n", _PyUOpName(i), stats->opcode[i].miss);
}
}