[Bug 17200] A demoscene sound only demo (invisible.exe) consumes a way too many CPU cycles

wine-bugs at winehq.org wine-bugs at winehq.org
Wed Jun 16 05:29:01 CDT 2010


--- Comment #6 from Artem S. Tashkinov <t.artem at mailcity.com>  2010-06-16 05:28:59 ---
Created an attachment (id=28881)
 --> (http://bugs.winehq.org/attachment.cgi?id=28881)
ssemath library under zlib license

If cosf and sinf functions are to be blamed, then GCC option -ffast-math should
have helped but here in my case I see zero difference between msvcrt library
compiled with usual CFlags and -ffast-math option.

Probably Wine developers could have used SSE2 implementation of some functions
(namely sin, cos, log and exp) which is available here
http://gruntthepeon.free.fr/ssemath/ under zlib license.

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