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bpo-45696: Deep-freeze selected modules (GH-29118)
This gains 10% or more in startup time for `python -c pass` on UNIX-ish systems. The Makefile.pre.in generating code builds on Eric's work for bpo-45020, but the .c file generator is new. Windows version TBD.
This commit is contained in:
Guido van Rossum
GitHub
parent
fc9b622819
commit
1cbaa505d0
16 changed files with 808 additions and 56 deletions
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@ -61,50 +61,80 @@
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#include "frozen_modules/frozen_only.h"
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/* End includes */
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#ifdef MS_WINDOWS
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/* Deepfreeze isn't supported on Windows yet. */
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#define GET_CODE(name) NULL
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#else
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#define GET_CODE(name) _Py_get_##name##_toplevel
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#endif
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/* Start extern declarations */
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extern PyObject *_Py_get_importlib__bootstrap_toplevel(void);
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extern PyObject *_Py_get_importlib__bootstrap_external_toplevel(void);
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extern PyObject *_Py_get_zipimport_toplevel(void);
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extern PyObject *_Py_get_abc_toplevel(void);
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extern PyObject *_Py_get_codecs_toplevel(void);
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extern PyObject *_Py_get_io_toplevel(void);
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extern PyObject *_Py_get__collections_abc_toplevel(void);
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extern PyObject *_Py_get__sitebuiltins_toplevel(void);
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extern PyObject *_Py_get_genericpath_toplevel(void);
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extern PyObject *_Py_get_ntpath_toplevel(void);
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extern PyObject *_Py_get_posixpath_toplevel(void);
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extern PyObject *_Py_get_posixpath_toplevel(void);
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extern PyObject *_Py_get_os_toplevel(void);
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extern PyObject *_Py_get_site_toplevel(void);
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extern PyObject *_Py_get_stat_toplevel(void);
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extern PyObject *_Py_get___hello___toplevel(void);
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extern PyObject *_Py_get___hello___toplevel(void);
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extern PyObject *_Py_get___hello___toplevel(void);
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extern PyObject *_Py_get___hello___toplevel(void);
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extern PyObject *_Py_get___phello___toplevel(void);
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extern PyObject *_Py_get___phello___toplevel(void);
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extern PyObject *_Py_get___phello___ham_toplevel(void);
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extern PyObject *_Py_get___phello___ham_toplevel(void);
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extern PyObject *_Py_get___phello___ham_eggs_toplevel(void);
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extern PyObject *_Py_get___phello___spam_toplevel(void);
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extern PyObject *_Py_get_frozen_only_toplevel(void);
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/* End extern declarations */
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/* Note that a negative size indicates a package. */
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static const struct _frozen bootstrap_modules[] = {
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{"_frozen_importlib", _Py_M__importlib__bootstrap,
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(int)sizeof(_Py_M__importlib__bootstrap)},
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{"_frozen_importlib_external", _Py_M__importlib__bootstrap_external,
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(int)sizeof(_Py_M__importlib__bootstrap_external)},
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{"zipimport", _Py_M__zipimport, (int)sizeof(_Py_M__zipimport)},
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{"_frozen_importlib", _Py_M__importlib__bootstrap, (int)sizeof(_Py_M__importlib__bootstrap), GET_CODE(importlib__bootstrap)},
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{"_frozen_importlib_external", _Py_M__importlib__bootstrap_external, (int)sizeof(_Py_M__importlib__bootstrap_external), GET_CODE(importlib__bootstrap_external)},
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{"zipimport", _Py_M__zipimport, (int)sizeof(_Py_M__zipimport), GET_CODE(zipimport)},
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{0, 0, 0} /* bootstrap sentinel */
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};
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static const struct _frozen stdlib_modules[] = {
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/* stdlib - startup, without site (python -S) */
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{"abc", _Py_M__abc, (int)sizeof(_Py_M__abc)},
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{"codecs", _Py_M__codecs, (int)sizeof(_Py_M__codecs)},
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{"io", _Py_M__io, (int)sizeof(_Py_M__io)},
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{"abc", _Py_M__abc, (int)sizeof(_Py_M__abc), GET_CODE(abc)},
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{"codecs", _Py_M__codecs, (int)sizeof(_Py_M__codecs), GET_CODE(codecs)},
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{"io", _Py_M__io, (int)sizeof(_Py_M__io), GET_CODE(io)},
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/* stdlib - startup, with site */
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{"_collections_abc", _Py_M___collections_abc,
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(int)sizeof(_Py_M___collections_abc)},
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{"_sitebuiltins", _Py_M___sitebuiltins, (int)sizeof(_Py_M___sitebuiltins)},
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{"genericpath", _Py_M__genericpath, (int)sizeof(_Py_M__genericpath)},
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{"ntpath", _Py_M__ntpath, (int)sizeof(_Py_M__ntpath)},
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{"posixpath", _Py_M__posixpath, (int)sizeof(_Py_M__posixpath)},
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{"os.path", _Py_M__posixpath, (int)sizeof(_Py_M__posixpath)},
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{"os", _Py_M__os, (int)sizeof(_Py_M__os)},
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{"site", _Py_M__site, (int)sizeof(_Py_M__site)},
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{"stat", _Py_M__stat, (int)sizeof(_Py_M__stat)},
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{"_collections_abc", _Py_M___collections_abc, (int)sizeof(_Py_M___collections_abc), GET_CODE(_collections_abc)},
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{"_sitebuiltins", _Py_M___sitebuiltins, (int)sizeof(_Py_M___sitebuiltins), GET_CODE(_sitebuiltins)},
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{"genericpath", _Py_M__genericpath, (int)sizeof(_Py_M__genericpath), GET_CODE(genericpath)},
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{"ntpath", _Py_M__ntpath, (int)sizeof(_Py_M__ntpath), GET_CODE(ntpath)},
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{"posixpath", _Py_M__posixpath, (int)sizeof(_Py_M__posixpath), GET_CODE(posixpath)},
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{"os.path", _Py_M__posixpath, (int)sizeof(_Py_M__posixpath), GET_CODE(posixpath)},
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{"os", _Py_M__os, (int)sizeof(_Py_M__os), GET_CODE(os)},
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{"site", _Py_M__site, (int)sizeof(_Py_M__site), GET_CODE(site)},
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{"stat", _Py_M__stat, (int)sizeof(_Py_M__stat), GET_CODE(stat)},
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{0, 0, 0} /* stdlib sentinel */
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};
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static const struct _frozen test_modules[] = {
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{"__hello__", _Py_M____hello__, (int)sizeof(_Py_M____hello__)},
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{"__hello_alias__", _Py_M____hello__, (int)sizeof(_Py_M____hello__)},
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{"__phello_alias__", _Py_M____hello__, -(int)sizeof(_Py_M____hello__)},
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{"__phello_alias__.spam", _Py_M____hello__, (int)sizeof(_Py_M____hello__)},
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{"__phello__", _Py_M____phello__, -(int)sizeof(_Py_M____phello__)},
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{"__phello__.__init__", _Py_M____phello__, (int)sizeof(_Py_M____phello__)},
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{"__phello__.ham", _Py_M____phello___ham, -(int)sizeof(_Py_M____phello___ham)},
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{"__phello__.ham.__init__", _Py_M____phello___ham,
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(int)sizeof(_Py_M____phello___ham)},
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{"__phello__.ham.eggs", _Py_M____phello___ham_eggs,
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(int)sizeof(_Py_M____phello___ham_eggs)},
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{"__phello__.spam", _Py_M____phello___spam,
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(int)sizeof(_Py_M____phello___spam)},
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{"__hello_only__", _Py_M__frozen_only, (int)sizeof(_Py_M__frozen_only)},
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{"__hello__", _Py_M____hello__, (int)sizeof(_Py_M____hello__), GET_CODE(__hello__)},
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{"__hello_alias__", _Py_M____hello__, (int)sizeof(_Py_M____hello__), GET_CODE(__hello__)},
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{"__phello_alias__", _Py_M____hello__, -(int)sizeof(_Py_M____hello__), GET_CODE(__hello__)},
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{"__phello_alias__.spam", _Py_M____hello__, (int)sizeof(_Py_M____hello__), GET_CODE(__hello__)},
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{"__phello__", _Py_M____phello__, -(int)sizeof(_Py_M____phello__), GET_CODE(__phello__)},
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{"__phello__.__init__", _Py_M____phello__, (int)sizeof(_Py_M____phello__), GET_CODE(__phello__)},
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{"__phello__.ham", _Py_M____phello___ham, -(int)sizeof(_Py_M____phello___ham), GET_CODE(__phello___ham)},
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{"__phello__.ham.__init__", _Py_M____phello___ham, (int)sizeof(_Py_M____phello___ham), GET_CODE(__phello___ham)},
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{"__phello__.ham.eggs", _Py_M____phello___ham_eggs, (int)sizeof(_Py_M____phello___ham_eggs), GET_CODE(__phello___ham_eggs)},
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{"__phello__.spam", _Py_M____phello___spam, (int)sizeof(_Py_M____phello___spam), GET_CODE(__phello___spam)},
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{"__hello_only__", _Py_M__frozen_only, (int)sizeof(_Py_M__frozen_only), GET_CODE(frozen_only)},
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{0, 0, 0} /* test sentinel */
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};
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const struct _frozen *_PyImport_FrozenBootstrap = bootstrap_modules;
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