| Date | Tue, 21 Oct 2014 20:09:48 +0300 | From | "Kirill A. Shutemov" <> | Subject | Re: [RFC][PATCH 0/6] Another go at speculative page faults |
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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?
I think it's faults per second.
It would be interesting to see if the patchset affects non-condended case. Like a one-threaded workload.
-- Kirill A. Shutemov
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