Callum Lerwick <seg@xxxxxxxxxx> wrote: [...] > Not quite "three times" faster, but 3.26% faster with i686. A major > addition to the i686 architecture was cmov, and gcc is actually very > aggressive about eliminating branching using cmovs, increasing > performance on modern deeply pipelined processors by eliminating > pipeline stalls. [...] > I suggest all key performance critical packages be made available in > both i386 and i686 versions. glibc and openssl already do this. Off the > top of my head, this would include Mesa, I know for a fact the majority > of Second Life runtime is actually consumed by T&L inside Mesa/DRI. From > what I understand, even Intel's latest chipsets lack hardware T&L. Makes > sense, it helps sell more multi-core Intel processors, and probably > helps consolidate power management. Twice the size for 3% improvement in extremely CPU-intensive tasks, and no gain whatsoever in load time, etc? That will translate to < 1% improvement overall. Lost in the noise, anyway. Not worth it in my book. -- Dr. Horst H. von Brand User #22616 counter.li.org Departamento de Informatica Fono: +56 32 2654431 Universidad Tecnica Federico Santa Maria +56 32 2654239 Casilla 110-V, Valparaiso, Chile Fax: +56 32 2797513 -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
