Messages in this thread | | | Date | Wed, 22 Oct 2014 14:35:23 +0200 | From | Ingo Molnar <> | Subject | Re: [RFC][PATCH 0/6] Another go at speculative page faults |
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* 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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