Gr?goire Favre wrote: > When libavcodec wasn't x86_64 asm optimized, I was getting about 20 fps > in 64 bits mode and 22 fps in 32 bits emulation, and now that's it's asm > optimised, I get about 60 fps, so yes I think it make an hudge > difference :-) Impressive! And thats not just because x86-64 implies SSE2 and other nifty optimizations? eg. is the x86-32 build already SSE2 optimized? Video processing usually doesn't use integer numbers beyond 4 billion, and 64-bit data processing was introduced by Pentium-MMX in 1997 too... Cheers, Udo
