On Sat, 2009-03-14 at 14:49 +0100, Segher Boessenkool wrote: > > Another option might be simply to say that if an app has used FP, > > VMX or > > VSX -once-, then it's likely to do it again and just keep re-enabling > > it :-) > > > > I'm serious here, do we know that many cases where these things are > > used > > seldomly once in a while ? > > For FP, I believe many apps use it only sporadically. But for VMX > and VSX, > yeah, it might well be optimal to keep it enabled all the time. Someone > should do some profiling...
We can do some VMX testing on existing POWER6 machines. The VSX instruction set hasn't been fully implemented in GCC yet so we'll need to wait a bit for that. Does anyone have an idea for a good VMX/Altivec benchmark? Ryan _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
