[issue17563] Excessive resizing of dicts when used as a cache

2013-05-17 Thread Raymond Hettinger
Changes by Raymond Hettinger : -- resolution: -> fixed status: open -> closed ___ Python tracker ___ ___ Python-bugs-list mailing lis

[issue17563] Excessive resizing of dicts when used as a cache

2013-05-17 Thread Roundup Robot
Roundup Robot added the comment: New changeset cd2457463eeb by Raymond Hettinger in branch '3.3': Issue #17563: Fix dict resize performance regression. http://hg.python.org/cpython/rev/cd2457463eeb -- nosy: +python-dev ___ Python tracker

[issue17563] Excessive resizing of dicts when used as a cache

2013-03-28 Thread Eric Snow
Changes by Eric Snow : -- nosy: +eric.snow ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.o

[issue17563] Excessive resizing of dicts when used as a cache

2013-03-27 Thread Raymond Hettinger
Changes by Raymond Hettinger : -- assignee: -> rhettinger nosy: +rhettinger ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue17563] Excessive resizing of dicts when used as a cache

2013-03-27 Thread STINNER Victor
Changes by STINNER Victor : -- nosy: +haypo ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.

[issue17563] Excessive resizing of dicts when used as a cache

2013-03-27 Thread Mark Shannon
New submission from Mark Shannon: If a dict is used a cache, e.g. in functools.lru_cache, the reduced resize factor in 3.3 can cause excessive resizing. This can lead to a significant performance regression. When the the number of deletions and insertions is roughly in balance the reduced head