STINNER Victor added the comment: Changes on the pickle module don't look like an interesting optimization. It even looks slower.
$ python perf.py -b fastpickle,fastunpickle,pickle,pickle_dict,pickle_list,slowpickle,slowunpickle,unpickle ../default/python.orig ../default/python.calloc ... Report on Linux selma 3.13.9-200.fc20.x86_64 #1 SMP Fri Apr 4 12:13:05 UTC 2014 x86_64 x86_64 Total CPU cores: 4 ### fastpickle ### Min: 0.364510 -> 0.374144: 1.03x slower Avg: 0.367882 -> 0.377714: 1.03x slower Significant (t=-11.54) Stddev: 0.00493 -> 0.00347: 1.4209x smaller The following not significant results are hidden, use -v to show them: fastunpickle, pickle_dict, pickle_list. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue21233> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com