gh-127958: Trace from RESUME in the JIT (GH-145905) · python/cpython@3d0824a · GitHub
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gh-127958: Trace from RESUME in the JIT (GH-145905)
1 parent 81ef1b7 commit 3d0824a

34 files changed

Lines changed: 909 additions & 591 deletions

‎Include/internal/pycore_backoff.h‎

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‎Include/internal/pycore_code.h‎

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@@ -323,6 +323,7 @@ PyAPI_FUNC(void) _Py_Specialize_ToBool(_PyStackRef value, _Py_CODEUNIT *instr);
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PyAPI_FUNC(void) _Py_Specialize_ContainsOp(_PyStackRef value, _Py_CODEUNIT *instr);
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PyAPI_FUNC(void) _Py_GatherStats_GetIter(_PyStackRef iterable);
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PyAPI_FUNC(void) _Py_Specialize_CallFunctionEx(_PyStackRef func_st, _Py_CODEUNIT *instr);
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PyAPI_FUNC(void) _Py_Specialize_Resume(_Py_CODEUNIT *instr, PyThreadState *tstate, _PyInterpreterFrame *frame);
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// Utility functions for reading/writing 32/64-bit values in the inline caches.
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// Great care should be taken to ensure that these functions remain correct and

‎Include/internal/pycore_interp_structs.h‎

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@@ -414,6 +414,9 @@ typedef struct _PyOptimizationConfig {
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uint16_t jump_backward_initial_value;
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uint16_t jump_backward_initial_backoff;
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uint16_t resume_initial_value;
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uint16_t resume_initial_backoff;
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// JIT optimization thresholds
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uint16_t side_exit_initial_value;
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uint16_t side_exit_initial_backoff;

‎Include/internal/pycore_magic_number.h‎

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@@ -292,6 +292,7 @@ Known values:
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Python 3.15a4 3659 (Add CALL_FUNCTION_EX specialization)
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Python 3.15a4 3660 (Change generator preamble code)
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Python 3.15a4 3661 (Lazy imports IMPORT_NAME opcode changes)
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Python 3.15a6 3662 (Add counter to RESUME)
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Python 3.16 will start with 3700
@@ -305,7 +306,7 @@ PC/launcher.c must also be updated.
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*/
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#define PYC_MAGIC_NUMBER 3661
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#define PYC_MAGIC_NUMBER 3662
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/* This is equivalent to converting PYC_MAGIC_NUMBER to 2 bytes
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(little-endian) and then appending b'\r\n'. */
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#define PYC_MAGIC_NUMBER_TOKEN \

‎Include/internal/pycore_opcode_metadata.h‎

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‎Include/internal/pycore_optimizer.h‎

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@@ -361,6 +361,8 @@ _PyJit_TryInitializeTracing(PyThreadState *tstate, _PyInterpreterFrame *frame,
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int oparg, _PyExecutorObject *current_executor);
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PyAPI_FUNC(void) _PyJit_FinalizeTracing(PyThreadState *tstate, int err);
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PyAPI_FUNC(bool) _PyJit_EnterExecutorShouldStopTracing(int og_opcode);
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void _PyPrintExecutor(_PyExecutorObject *executor, const _PyUOpInstruction *marker);
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void _PyJit_TracerFree(_PyThreadStateImpl *_tstate);
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‎Include/internal/pycore_uop.h‎

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