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gh-111968: Use per-thread freelists for generator in free-threading (gh-114189)

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Donghee Na 2024-01-19 03:15:00 +09:00 • committed by GitHub
parent 2d3f6b56c5
commit 7fa511ba57
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9 changed files with 48 additions and 74 deletions
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17
Include/internal/pycore_freelist.h
View file

@ -19,12 +19,14 @@ extern "C" {
# define PyList_MAXFREELIST 80
# define PyFloat_MAXFREELIST 100
# define PyContext_MAXFREELIST 255
# define _PyAsyncGen_MAXFREELIST 80
#else
# define PyTuple_NFREELISTS 0
# define PyTuple_MAXFREELIST 0
# define PyList_MAXFREELIST 0
# define PyFloat_MAXFREELIST 0
# define PyContext_MAXFREELIST 0
# define _PyAsyncGen_MAXFREELIST 0
#endif
struct _Py_list_state {
@ -77,12 +79,27 @@ struct _Py_context_state {
#endif
};
struct _Py_async_gen_state {
#ifdef WITH_FREELISTS
/* Freelists boost performance 6-10%; they also reduce memory
fragmentation, as _PyAsyncGenWrappedValue and PyAsyncGenASend
are short-living objects that are instantiated for every
__anext__() call. */
struct _PyAsyncGenWrappedValue* value_freelist[_PyAsyncGen_MAXFREELIST];
int value_numfree;
struct PyAsyncGenASend* asend_freelist[_PyAsyncGen_MAXFREELIST];
int asend_numfree;
#endif
};
typedef struct _Py_freelist_state {
struct _Py_float_state float_state;
struct _Py_tuple_state tuple_state;
struct _Py_list_state list_state;
struct _Py_slice_state slice_state;
struct _Py_context_state context_state;
struct _Py_async_gen_state async_gen_state;
} _PyFreeListState;
#ifdef __cplusplus

2
Include/internal/pycore_gc.h
View file

@ -251,7 +251,7 @@ extern void _PyFloat_ClearFreeList(_PyFreeListState *state, int is_finalization)
extern void _PyList_ClearFreeList(_PyFreeListState *state, int is_finalization);
extern void _PySlice_ClearCache(_PyFreeListState *state);
extern void _PyDict_ClearFreeList(PyInterpreterState *interp);
extern void _PyAsyncGen_ClearFreeLists(PyInterpreterState *interp);
extern void _PyAsyncGen_ClearFreeLists(_PyFreeListState *state, int is_finalization);
extern void _PyContext_ClearFreeList(_PyFreeListState *state, int is_finalization);
extern void _Py_ScheduleGC(PyInterpreterState *interp);
extern void _Py_RunGC(PyThreadState *tstate);

31
Include/internal/pycore_genobject.h
View file

@ -8,6 +8,8 @@ extern "C" {
# error "this header requires Py_BUILD_CORE define"
#endif
#include "pycore_freelist.h"
extern PyObject *_PyGen_yf(PyGenObject *);
extern void _PyGen_Finalize(PyObject *self);
@ -26,34 +28,7 @@ extern PyTypeObject _PyAsyncGenAThrow_Type;
/* runtime lifecycle */
extern void _PyAsyncGen_Fini(PyInterpreterState *);
/* other API */
#ifndef WITH_FREELISTS
// without freelists
# define _PyAsyncGen_MAXFREELIST 0
#endif
#ifndef _PyAsyncGen_MAXFREELIST
# define _PyAsyncGen_MAXFREELIST 80
#endif
struct _Py_async_gen_state {
#if _PyAsyncGen_MAXFREELIST > 0
/* Freelists boost performance 6-10%; they also reduce memory
fragmentation, as _PyAsyncGenWrappedValue and PyAsyncGenASend
are short-living objects that are instantiated for every
__anext__() call. */
struct _PyAsyncGenWrappedValue* value_freelist[_PyAsyncGen_MAXFREELIST];
int value_numfree;
struct PyAsyncGenASend* asend_freelist[_PyAsyncGen_MAXFREELIST];
int asend_numfree;
#endif
};
extern void _PyAsyncGen_Fini(_PyFreeListState *);
#ifdef __cplusplus
}

1
Include/internal/pycore_interp.h
View file

@ -190,7 +190,6 @@ struct _is {
struct _Py_tuple_state tuple;
struct _Py_dict_state dict_state;
struct _Py_async_gen_state async_gen;
struct _Py_exc_state exc_state;
struct ast_state ast;