I am not sure, but soon, I will be a great fan of your work, once I get to work on this!
Thank your for inspiring me to work on these stuff! Best regards, Annapoornima On Fri, Dec 9, 2016 at 11:33 PM, Victor Stinner <victor.stin...@gmail.com> wrote: > 2016-12-09 18:46 GMT+01:00 Victor Stinner <victor.stin...@gmail.com>: > > Last days, I patched functions of PyObject_CallFunction() family to > > use internally fast calls. > > (...) > > http://bugs.python.org/issue28915 > > Oh, I forgot to mention the performance results of these changes. > Python slots are now a little bit faster. Extract of the issue: > http://bugs.python.org/issue28915#msg282748 > > Microbenchmark on a simple class with an __int__() method, call int(o): > int(o): Median +- std dev: [ref] 239 ns +- 13 ns -> [patch] 219 ns +- > 14 ns: 1.10x faster (-9%) > > Microbenchmark on a simple class with an __getitem__() method, call o[100]: > o[100]: Median +- std dev: [ref] 211 ns +- 11 ns -> [patch] 172 ns +- > 11 ns: 1.23x faster (-19%) > > > Comparison between Python 2.7, 3.5, 3.7 and 3.7+patch, 3.5 is used as > the reference: > > int(o) > ====== > > Median +- std dev: [3.5] 271 ns +- 15 ns -> [3.7] 239 ns +- 13 ns: > 1.13x faster (-12%) > Median +- std dev: [3.5] 271 ns +- 15 ns -> [patch] 219 ns +- 14 ns: > 1.24x faster (-19%) > Median +- std dev: [3.5] 271 ns +- 15 ns -> [2.7] 401 ns +- 21 ns: > 1.48x slower (+48%) > > o[100] > ====== > > Median +- std dev: [3.5] 206 ns +- 5 ns -> [3.7] 211 ns +- 11 ns: > 1.02x slower (+2%) > Not significant! > Median +- std dev: [3.5] 206 ns +- 5 ns -> [patch] 172 ns +- 11 ns: > 1.20x faster (-17%) > Median +- std dev: [3.5] 206 ns +- 5 ns -> [2.7] 254 ns +- 15 ns: > 1.23x slower (+23%) > > Victor > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: https://mail.python.org/mailman/options/python-dev/ > annakoppad%40gmail.com >
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