| Date | Tue, 21 Oct 2014 19:25:27 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC][PATCH 0/6] Another go at speculative page faults |
| |
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.
|