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Diffstat (limited to 'Include/internal/pycore_backoff.h')
| -rw-r--r-- | Include/internal/pycore_backoff.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Include/internal/pycore_backoff.h b/Include/internal/pycore_backoff.h index 942d8b107a7..454c8dde031 100644 --- a/Include/internal/pycore_backoff.h +++ b/Include/internal/pycore_backoff.h @@ -95,8 +95,10 @@ backoff_counter_triggers(_Py_BackoffCounter counter) return counter.value_and_backoff < UNREACHABLE_BACKOFF; } -/* Initial JUMP_BACKWARD counter. - * This determines when we create a trace for a loop. */ +// Initial JUMP_BACKWARD counter. +// Must be larger than ADAPTIVE_COOLDOWN_VALUE, otherwise when JIT code is +// 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 |