By: none (none.delete@this.none.com), September 29, 2015 10:31 pm
Room: Moderated Discussions
Tim McCaffrey (timcaffrey.delete@this.aol.com) on September 29, 2015 12:18 pm wrote:
[...]
> They cut the performance of MMX instructions in half (compared to Broadwell). They suggest
> that you use AVX2 instead, except MMX is probably used mostly by 32 bit programs, and I don't
> think AVX2 is available in 32 bit mode. Not that I think this is a big deal, just interesting.
But AVX2 ins't available on all Skylake CPU, Pentium still don't have it. AVX has been
first available on Sandy Bridge since early 2011, and has yet to find its way into all of
Intel CPU, stupid segmentation IMHO.
[...]
> They cut the performance of MMX instructions in half (compared to Broadwell). They suggest
> that you use AVX2 instead, except MMX is probably used mostly by 32 bit programs, and I don't
> think AVX2 is available in 32 bit mode. Not that I think this is a big deal, just interesting.
But AVX2 ins't available on all Skylake CPU, Pentium still don't have it. AVX has been
first available on Sandy Bridge since early 2011, and has yet to find its way into all of
Intel CPU, stupid segmentation IMHO.
