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| author | Mark Shannon <mark@hotpy.org> | 2023-11-09 13:49:51 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-11-09 13:49:51 (GMT) |
| commit | 34a03e951b027902d993c7066ba8e6b7e92cb2a9 (patch) | |
| tree | 3a25738c13185ea521b0e8bad09e0ee2eda660a7 /Include | |
| parent | 25c49564880e6868e4c76602f9f1650f0bc71c75 (diff) | |
| download | cpython-34a03e951b027902d993c7066ba8e6b7e92cb2a9.zip cpython-34a03e951b027902d993c7066ba8e6b7e92cb2a9.tar.gz cpython-34a03e951b027902d993c7066ba8e6b7e92cb2a9.tar.bz2 | |
GH-111843: Tier 2 exponential backoff (GH-111850)
Diffstat (limited to 'Include')
| -rw-r--r-- | Include/cpython/optimizer.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Include/cpython/optimizer.h b/Include/cpython/optimizer.h index 2a5251b..adc2c1f 100644 --- a/Include/cpython/optimizer.h +++ b/Include/cpython/optimizer.h @@ -45,6 +45,8 @@ typedef int (*optimize_func)(_PyOptimizerObject* self, PyCodeObject *code, _Py_C typedef struct _PyOptimizerObject { PyObject_HEAD optimize_func optimize; + /* These thresholds are treated as signed so do not exceed INT16_MAX + * Use INT16_MAX to indicate that the optimizer should never be called */ uint16_t resume_threshold; uint16_t backedge_threshold; /* Data needed by the optimizer goes here, but is opaque to the VM */ @@ -76,6 +78,8 @@ PyAPI_FUNC(PyObject *)PyUnstable_Optimizer_NewCounter(void); PyAPI_FUNC(PyObject *)PyUnstable_Optimizer_NewUOpOptimizer(void); #define OPTIMIZER_BITS_IN_COUNTER 4 +/* Minimum of 16 additional executions before retry */ +#define MINIMUM_TIER2_BACKOFF 4 #ifdef __cplusplus } |