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GH-123516: Improve JIT memory consumption by invalidating cold executors (GH-124443)

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Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
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Savannah Ostrowski 2024-09-26 17:35:42 -07:00 • committed by GitHub
parent 23e812b84a
commit 65f1237098
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14 changed files with 129 additions and 39 deletions
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14
Include/internal/pycore_optimizer.h
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@ -29,9 +29,10 @@ typedef struct {
typedef struct {
uint8_t opcode;
uint8_t oparg;
uint16_t valid:1;
uint16_t linked:1;
uint16_t chain_depth:14; // Must be big engough for MAX_CHAIN_DEPTH - 1.
uint8_t valid:1;
uint8_t linked:1;
uint8_t chain_depth:6; // Must be big enough for MAX_CHAIN_DEPTH - 1.
bool warm;
int index; // Index of ENTER_EXECUTOR (if code isn't NULL, below).
_PyBloomFilter bloom;
_PyExecutorLinkListNode links;
@ -123,11 +124,18 @@ PyAPI_FUNC(PyObject *) _PyOptimizer_NewUOpOptimizer(void);
#ifdef _Py_TIER2
PyAPI_FUNC(void) _Py_Executors_InvalidateDependency(PyInterpreterState *interp, void *obj, int is_invalidation);
PyAPI_FUNC(void) _Py_Executors_InvalidateAll(PyInterpreterState *interp, int is_invalidation);
PyAPI_FUNC(void) _Py_Executors_InvalidateCold(PyInterpreterState *interp);
#else
# define _Py_Executors_InvalidateDependency(A, B, C) ((void)0)
# define _Py_Executors_InvalidateAll(A, B) ((void)0)
# define _Py_Executors_InvalidateCold(A) ((void)0)
#endif
// Used as the threshold to trigger executor invalidation when
// trace_run_counter is greater than this value.
#define JIT_CLEANUP_THRESHOLD 100000
// This is the length of the trace we project initially.
#define UOP_MAX_TRACE_LENGTH 800