http://bugs.winehq.org/show_bug.cgi?id=33318
--- Comment #4 from Stefan Dösinger stefan@codeweavers.com 2013-04-02 23:58:57 CDT --- There have been some ups and downs over the years, but I think the major performance regressions should be fixed.
I'm afraid I'll have to ask you to run a regression test over all those Wine versions.