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bpo-45963: Make space for the InterpreterFrame of a generator in that generator. (GH-29891)

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* Make generator, coroutine and async gen structs all the same size.

* Store interpreter frame in generator (and coroutine). Reduces the number of allocations neeeded for a generator from two to one.
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Mark Shannon 2021-12-06 10:13:49 +00:00 • committed by GitHub
parent f34d181fa1
commit 299483c95d
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7 changed files with 128 additions and 145 deletions
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Include/internal/pycore_frame.h
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@ -74,7 +74,7 @@ static inline void _PyFrame_StackPush(InterpreterFrame *f, PyObject *value) {
#define FRAME_SPECIALS_SIZE ((sizeof(InterpreterFrame)-1)/sizeof(PyObject *))
InterpreterFrame *_PyFrame_Copy(InterpreterFrame *frame);
void _PyFrame_Copy(InterpreterFrame *src, InterpreterFrame *dest);
static inline void
_PyFrame_InitializeSpecials(