In message <1271688543.1488.253.ca...@laptop> you wrote: > On Mon, 2010-04-19 at 07:34 +1000, Michael Neuling wrote: > > > Are there any numbers available on how much they gain? It might be worth > > > to stick in real numbers instead of this alleged 15%. > > > > I get some gain numbers but obviously the workloads makes a huge > > difference. From a scheduler perspective, I assume an > > average/representative gain is best rather than an optimistic or > > pessimistic one? > > Yeah, average would be best.
Ok. > > We'll have different gains for SMT2 and SMT4, so we could change the > > gain dynamically based on which SMT mode we are in. Does that seem like > > something we should add as an arch hook? > > That's the sort of thing you can use arch_scale_smt_power() for. But be > weary to not fall into the same trap I did with x86, where I confused > actual gain with capacity (When idle the actual gain is 0, but the > capacity is not). Oops, yes of course :-) <from before> > Hrmm, my brain seems muddled but I might have another solution, let me > ponder this for a bit.. Let me know if/when you come up this solution or if I can help. Mikey _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
