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bpo-40521: Make dtoa bigint free list per-interpreter (GH-24821)

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junyixie 2021-03-13 21:25:14 +08:00 • committed by GitHub
parent d0a445490e
commit 5bd1059184
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 39 additions and 17 deletions
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16
Include/internal/pycore_dtoa.h
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@ -1,4 +1,6 @@
#ifndef PY_NO_SHORT_FLOAT_REPR
#ifndef Py_INTERNAL_DTOA_H
#define Py_INTERNAL_DTOA_H
#ifdef __cplusplus
extern "C" {
#endif
@ -17,7 +19,21 @@ PyAPI_FUNC(void) _Py_dg_freedtoa(char *s);
PyAPI_FUNC(double) _Py_dg_stdnan(int sign);
PyAPI_FUNC(double) _Py_dg_infinity(int sign);
#define _PyDtoa_Kmax 7
typedef uint32_t _PyDtoa_ULong;
typedef int32_t _PyDtoa_Long;
typedef uint64_t _PyDtoa_ULLong;
struct
_PyDtoa_Bigint {
struct _PyDtoa_Bigint *next;
int k, maxwds, sign, wds;
_PyDtoa_ULong x[1];
};
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_DTOA_H */
#endif /* !PY_NO_SHORT_FLOAT_REPR */

4
Include/internal/pycore_interp.h
View file

@ -13,6 +13,7 @@ extern "C" {
#include "pycore_gil.h" // struct _gil_runtime_state
#include "pycore_gc.h" // struct _gc_runtime_state
#include "pycore_warnings.h" // struct _warnings_runtime_state
#include "pycore_dtoa.h"
struct _pending_calls {
PyThread_type_lock lock;
@ -321,6 +322,9 @@ struct _is {
struct ast_state ast;
struct type_cache type_cache;
#ifndef PY_NO_SHORT_FLOAT_REPR
struct _PyDtoa_Bigint *dtoa_freelist[_PyDtoa_Kmax + 1];
#endif
};
extern void _PyInterpreterState_ClearModules(PyInterpreterState *interp);