On 6 October 2017 at 12:31, Marek Olšák <mar...@gmail.com> wrote: > On Fri, Oct 6, 2017 at 4:10 AM, Connor Abbott <cwabbo...@gmail.com> wrote: >> On Thu, Oct 5, 2017 at 10:08 PM, Marek Olšák <mar...@gmail.com> wrote: >>> On Fri, Oct 6, 2017 at 3:50 AM, Connor Abbott <cwabbo...@gmail.com> wrote: >>>> Why? While it might technically be legal, always generating an unfused >>>> mul+add when the user explicitly requested fma() seems harsh... >>> >>> It's slow on some chips. It doesn't need any other reason. >>> >>> Marek >> >> Presumably, if the developer asked for fma, then they don't care how >> fast or slow it is... > > Feral asked for fma. They care. This debate is pointless. We just > won't use fma by default. Period.
They didn't ask for it with precise precision. I'm assuming if someone wants fma with precise precision we should give it to them. Like at least the fma manpage states. https://www.khronos.org/registry/OpenGL-Refpages/gl4/html/fma.xhtml Dave. _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
