On Wed, 13 Nov 2013 23:33:02 +0100 (CET) christian.heimes <python-check...@python.org> wrote: > > > +Small string optimization > +========================= > + > +Hash functions like SipHash24 have a costly initialization and finalization > +code that can dominate speed of the algorithm for very short strings. On the > +other hand Python calculates the hash value of short strings quite often. A > +simple and fast function for especially for hashing of small strings can make > +a measurably impact on performance. For example these measurements were taken > +during a run of Python's regression tests. Additional measurements of other > +code have shown a similar distribution.
Well, the text above talks about a "measurably (typo?) impact on performance", but you aren't giving any performance numbers, which doesn't help the reader of those lines. Regards Antoine. _______________________________________________ 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/archive%40mail-archive.com
