http://bugs.winehq.org/show_bug.cgi?id=23193
--- Comment #15 from Frédéric Delanoy frederic.delanoy@gmail.com 2012-05-07 04:01:45 CDT --- I tested with 1.2.3 (couldn't quickly find the OP reported 1.2-rc1), and it was actually approximately 10 s *quicker* (± 20%)