8000 GH-131798: Optimize cached class attributes and methods in the JIT by brandtbucher · Pull Request #134403 · python/cpython · GitHub
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GH-131798: Optimize cached class attributes and methods in the JIT #134403

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Merged
merged 10 commits into from
May 22, 2025
Merged

GH-131798: Optimize cached class attributes and methods in the JIT #134403

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54dedf6
Optimize (and peephole away) cached attributes
brandtbucher May 21, 2025
b7d8c03
blurb add
brandtbucher May 21, 2025
844299c
Add a test for _LOAD_ATTR_METHOD_LAZY_DICT
brandtbucher May 21, 2025
c83acf9
fixup
brandtbucher May 21, 2025
bb5e18e
Add link back
brandtbucher May 21, 2025
0e20c44
fixup
brandtbucher May 21, 2025
d490347
Revert the _LOAD_SMALL_INT stuff.
brandtbucher May 21, 2025
58017a8
Add tests
brandtbucher May 21, 2025
1d2f546
make regen-cases
brandtbucher May 21, 2025
0202451
Catch up with main
brandtbucher May 22, 2025
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fixup
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@brandtbucher
brandtbucher committed May 21, 2025
commit c83acf9be913688de4be82928c180c0526aacc72
4 changes: 2 additions & 2 deletions Include/internal/pycore_backoff.h
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Expand Up @@ -97,8 +97,8 @@ backoff_counter_triggers(_Py_BackoffCounter counter)

// Initial JUMP_BACKWARD counter.
// Must be larger than ADAPTIVE_COOLDOWN_VALUE, otherwise when JIT code is
// invalidated up we may construct a new trace before the Tier 1 code has
// properly re-specialized.
// invalidated we may construct a new trace before the bytecode has properly
// re-specialized:
#define JUMP_BACKWARD_INITIAL_VALUE 4095
#define JUMP_BACKWARD_INITIAL_BACKOFF 12
static inline _Py_BackoffCounter
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