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bpo-26219: per opcode cache for LOAD_GLOBAL (GH-12884)

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This patch implements per opcode cache mechanism, and use it in
only LOAD_GLOBAL opcode.

Based on Yury's opcache3.patch in bpo-26219.
This commit is contained in:
Inada Naoki 2019-06-03 21:30:58 +09:00 • committed by GitHub
parent 29ec422810
commit 91234a1636
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GPG key ID: 4AEE18F83AFDEB23
13 changed files with 285 additions and 16 deletions
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27
Include/internal/pycore_code.h Normal file
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@ -0,0 +1,27 @@
#ifndef Py_INTERNAL_CODE_H
#define Py_INTERNAL_CODE_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
PyObject *ptr; /* Cached pointer (borrowed reference) */
uint64_t globals_ver; /* ma_version of global dict */
uint64_t builtins_ver; /* ma_version of builtin dict */
} _PyOpcache_LoadGlobal;
struct _PyOpcache {
union {
_PyOpcache_LoadGlobal lg;
} u;
char optimized;
};
/* Private API */
int _PyCode_InitOpcache(PyCodeObject *co);
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_CODE_H */