mirror of https://github.com/python/cpython
985eba53f5
-DCALL_PROFILE: Count the number of function calls executed. When this symbol is defined, the ceval mainloop and helper functions count the number of function calls made. It keeps detailed statistics about what kind of object was called and whether the call hit any of the special fast paths in the code. Optimization: When we take the fast_function() path, which seems to be taken for most function calls, and there is minimal frame setup to do, avoid call PyEval_EvalCodeEx(). The eval code ex function does a lot of work to handle keywords args and star args, free variables, generators, etc. The inlined version simply allocates the frame and copies the arguments values into the frame. The optimization gets a little help from compile.c which adds a CO_NOFREE flag to code objects that don't have free variables or cell variables. This change allows fast_function() to get into the fast path with fewer tests. I measure a couple of percent speedup in pystone with this change, but there's surely more that can be done. |
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| .. | ||
| RPM | ||
| ACKS | ||
| AIX-NOTES | ||
| BeOS-NOTES | ||
| BeOS-setup.py | ||
| HISTORY | ||
| NEWS | ||
| NEWS.help | ||
| PURIFY.README | ||
| Porting | ||
| README | ||
| RFD | ||
| SpecialBuilds.txt | ||
| cheatsheet | ||
| find_recursionlimit.py | ||
| gdbinit | ||
| indent.pro | ||
| pymemcompat.h | ||
| python-mode.el | ||
| python.man | ||
| setuid-prog.c | ||
| vgrindefs | ||
README
Python Misc subdirectory ======================== This directory contains files that wouldn't fit in elsewhere. Some documents are only of historic importance. Files found here ---------------- ACKS Acknowledgements AIX-NOTES Notes for building Python on AIX BeOS-NOTES Notes for building on BeOS BeOS-setup.py setup.py replacement for BeOS, see BeOS-NOTES cheatsheet Quick summary of Python by Ken Manheimer find_recursionlimit.py Script to find a value for sys.maxrecursionlimit gdbinit Handy stuff to put in your .gdbinit file, if you use gdb HISTORY News from previous releases -- oldest last HPUX-NOTES Notes about dynamic loading under HP-UX indent.pro GNU indent profile approximating my C style NEWS News for this release (for some meaning of "this") Porting Mini-FAQ on porting to new platforms PURIFY.README Information for Purify users python.man UNIX man page for the python interpreter python-mode.el Emacs mode for editing Python programs README The file you're reading now RFD Request For Discussion about a Python newsgroup RPM (Old) tools to build RPMs SpecialBuilds.txt Describes extra symbols you can set for debug builds setuid-prog.c C helper program for set-uid Python scripts vgrindefs Python configuration for vgrind (a generic pretty printer)