On Feb 27, 2013, at 17:37, Claudio Freire wrote: >> Detailed benchmark results: (32 bit, MMX/SSE code, -fno-tree-vectorize) >> samples user t kernel t real t >> CPU % >> Video decode : 85166 27.0846s 2.48361s 13.5333s >> 218.484% > > > Wait... 200%... what's your hardware like? > > If by any chance you have Hyper Threading enabled (which is quite > likely), then I bet that's what the penalty is coming from (there's
Ah, ok. I have a dual core, hyper-threaded i7 . Do you think there's an interest other than academic to deactivate hyper threading? R. _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
