8000 GH-100240: Generic freelist, applied to ints by iritkatriel · Pull Request #101453 · python/cpython · GitHub
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GH-100240: Generic freelist, applied to ints #101453

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GH-100240: Generic freelist, applied to ints #101453

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e953c57
freelist for ints
iritkatriel Jan 30, 2023
cf99ee4
moved things around a little
iritkatriel Jan 31, 2023
8a6e6a3
remove WITH_FREELISTS in longobject.c
iritkatriel Jan 31, 2023
fe65f49
FreeToFull leaves the list empty
iritkatriel Jan 31, 2023
a33061f
reuse _PyFreeList_Clear
iritkatriel Feb 3, 2023
6b312e0
fix free bug and remove ifdef in a few places
iritkatriel Feb 3, 2023
1d81198
use _PyLong_Free in specialized bytecodes
iritkatriel Feb 3, 2023
5609e30
use _PyLong_Free in _Py_DECREF_INT
iritkatriel Feb 3, 2023
b8b1879
stats for generic freelist
iritkatriel Feb 5, 2023
460d12c
print new stats
iritkatriel Feb 6, 2023
2e2a861
fix index mapping
iritkatriel Feb 6, 2023
42ee27f
tweak the stats
iritkatriel Feb 7, 2023
a9e76ad
shift instead of div
iritkatriel Feb 8, 2023
1134727
Merge remote-tracking branch 'upstream/main' into int-freelist
iritkatriel Feb 8, 2023
78592b9
int --> Py_ssize_t
iritkatriel Feb 8, 2023
044743e
disable the freelist after clearing it in interpreter_clear
iritkatriel Feb 8, 2023
827b81b
add _PyFreeList_Disable
iritkatriel Feb 9, 2023
51c6c3c
rename INDEX --> SIZE_CLASS
iritkatriel Feb 10, 2023
cfb886d
stats per size class
iritkatriel Feb 10, 2023
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@iritkatriel
iritkatriel committed Feb 6, 2023
commit 460d12c746b468b251cf9678c56de22b171859eb
4 changes: 4 additions & 0 deletions Python/specialize.c
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Original file line number Diff line number Diff line change
Expand Up @@ -174,6 +174,10 @@ print_object_stats(FILE *out, ObjectStats *stats)
{
fprintf(out, "Object allocations from freelist: %" PRIu64 "\n", stats->from_freelist);
fprintf(out, "Object frees to freelist: %" PRIu64 "\n", stats->to_freelist);
fprintf(out, "Object allocations from generic freelist: %" PRIu64 "\n", stats->from_generic_freelist);
fprintf(out, "Object frees to generic freelist: %" PRIu64 "\n", stats->to_generic_freelist);
fprintf(out, "Object allocations when generic freelist is empty: %" PRIu64 "\n", stats->generic_freelist_empty);
fprintf(out, "Object frees when generic freelist is full: %" PRIu64 "\n", stats->generic_freelist_full);
fprintf(out, "Object allocations: %" PRIu64 "\n", stats->allocations);
fprintf(out, "Object allocations to 512 bytes: %" PRIu64 "\n", stats->allocations512);
fprintf(out, "Object allocations to 4 kbytes: %" PRIu64 "\n", stats->allocations4k);
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