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GH-126795: Increase the JIT threshold from 16 to 4096 #126816

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Merged
merged 8 commits into from
Nov 18, 2024
Merged

GH-126795: Increase the JIT threshold from 16 to 4096 #126816

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afd78b4
Crank the warmup up to 4096
brandtbucher Nov 14, 2024
a1474b4
Rework test_opt to remove assumptions about TIER2_THRESHOLD
brandtbucher Nov 14, 2024
5dd5806
blurb add
brandtbucher Nov 14, 2024
2e7a174
Touch file for JIT CI
brandtbucher Nov 14, 2024
a3aee0b
Clean up some comments and unused values
brandtbucher Nov 15, 2024
e2eec5e
Brag a bit
brandtbucher Nov 15, 2024
a034966
Un-touch jit.c
brandtbucher Nov 15, 2024
614513d
typo
brandtbucher Nov 16, 2024
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7 changes: 3 additions & 4 deletions Include/internal/pycore_backoff.h
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Original file line number Diff line number Diff line change
Expand Up @@ -102,10 +102,9 @@ backoff_counter_triggers(_Py_BackoffCounter counter)
}

/* Initial JUMP_BACKWARD counter.
* This determines when we create a trace for a loop.
* Backoff sequence 16, 32, 64, 128, 256, 512, 1024, 2048, 4096. */
#define JUMP_BACKWARD_INITIAL_VALUE 15
#define JUMP_BACKWARD_INITIAL_BACKOFF 4
* This determines when we create a trace for a loop. */
#define JUMP_BACKWARD_INITIAL_VALUE 4095
#define JUMP_BACKWARD_INITIAL_BACKOFF 12
static inline _Py_BackoffCounter
initial_jump_backoff_counter(void)
{
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