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SubjectRe: [RFC][PATCH 0/6] Another go at speculative page faults

* Peter Zijlstra <peterz@infradead.org> wrote:

> On Tue, Oct 21, 2014 at 06:23:40PM +0200, Ingo Molnar wrote:
> >
> > * Peter Zijlstra <peterz@infradead.org> wrote:
> >
> > > My Ivy Bridge EP (2*10*2) has a ~58% improvement in pagefault throughput:
> > >
> > > PRE:
> > > 149,441,555 page-faults ( +- 1.25% )
> > >
> > > POST:
> > > 236,442,626 page-faults ( +- 0.08% )
> >
> > > My Ivy Bridge EX (4*15*2) has a ~78% improvement in pagefault throughput:
> > >
> > > PRE:
> > > 105,789,078 page-faults ( +- 2.24% )
> > >
> > > POST:
> > > 187,751,767 page-faults ( +- 2.24% )
> >
> > I guess the 'PRE' and 'POST' numbers should be flipped around?
>
> Nope, its the number of page-faults serviced in a fixed amount of time
> (60 seconds), therefore higher is better.

Ah, okay!

Thanks,

Ingo


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