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bpo-46841: Quicken code in-place (GH-31888)

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* Moves the bytecode to the end of the corresponding PyCodeObject, and quickens it in-place.

* Removes the almost-always-unused co_varnames, co_freevars, and co_cellvars member caches

* _PyOpcode_Deopt is a new mapping from all opcodes to their un-quickened forms.

* _PyOpcode_InlineCacheEntries is renamed to _PyOpcode_Caches

* _Py_IncrementCountAndMaybeQuicken is renamed to _PyCode_Warmup

* _Py_Quicken is renamed to _PyCode_Quicken

* _co_quickened is renamed to _co_code_adaptive (and is now a read-only memoryview).

* Do not emit unused nonzero opargs anymore in the compiler.
This commit is contained in:
Brandt Bucher 2022-03-21 04:11:17 -07:00 • committed by GitHub
parent 08eb754d84
commit 2bde6827ea
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
18 changed files with 832 additions and 688 deletions
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10
Objects/clinic/codeobject.c.h generated
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@ -203,12 +203,12 @@ code_replace(PyCodeObject *self, PyObject *const *args, Py_ssize_t nargs, PyObje
int co_stacksize = self->co_stacksize;
int co_flags = self->co_flags;
int co_firstlineno = self->co_firstlineno;
PyBytesObject *co_code = (PyBytesObject *)self->co_code;
PyBytesObject *co_code = NULL;
PyObject *co_consts = self->co_consts;
PyObject *co_names = self->co_names;
PyObject *co_varnames = self->co_varnames;
PyObject *co_freevars = self->co_freevars;
PyObject *co_cellvars = self->co_cellvars;
PyObject *co_varnames = NULL;
PyObject *co_freevars = NULL;
PyObject *co_cellvars = NULL;
PyObject *co_filename = self->co_filename;
PyObject *co_name = self->co_name;
PyObject *co_qualname = self->co_qualname;
@ -456,4 +456,4 @@ code__varname_from_oparg(PyCodeObject *self, PyObject *const *args, Py_ssize_t n
exit:
return return_value;
}
/*[clinic end generated code: output=9e8c4a19474ec520 input=a9049054013a1b77]*/
/*[clinic end generated code: output=b1b83a70ffc5b7cd input=a9049054013a1b77]*/