W dniu 20.12.2011 10:52, Ico pisze: > Hello, Hi, > I am able to reproduce this on multiple i686 boxes using various gcc versions > (4.4, 4.6). Compiling on x86_64 does not show this behaviour. > > Is anybody able to reproduce this issue, and how can this be explained ? I can reproduce such situation too. I can only guess this happens because on i686 default is mfpmath=387, on x86_64 default is mfpmath=sse. If you compile your code using "-O3 -mfpmath=sse -march=native <or something what else what have support for sse>" then booth times will be almost equal. Regards,
