On 07/09/15 13:42, Peter Zijlstra wrote:
> On Mon, Aug 31, 2015 at 11:24:49AM +0200, Peter Zijlstra wrote:
>
>> A quick run here gives:
>>
>> IVB-EP (2*20*2):
>
> As noted by someone; that should be 2*10*2, for a total of 40 cpus in
> this machine.
>
>>
>> perf stat --null --repeat 10 -- perf be
On Mon, Sep 07, 2015 at 02:42:20PM +0200, Peter Zijlstra wrote:
> I'm of a mind to apply these patches; with two patches on top, which
> I'll post shortly.
---
Subject: sched: Optimize __update_load_avg()
From: Peter Zijlstra
Date: Mon Sep 7 15:09:15 CEST 2015
Prior to this patch; the line:
On Mon, Sep 07, 2015 at 02:42:20PM +0200, Peter Zijlstra wrote:
> I'm of a mind to apply these patches; with two patches on top, which
> I'll post shortly.
---
Subject: sched: Rename scale()
From: Peter Zijlstra
Date: Mon Sep 7 15:05:42 CEST 2015
Rename scale() to cap_scale() to better reflect i
On Mon, Aug 31, 2015 at 11:24:49AM +0200, Peter Zijlstra wrote:
> A quick run here gives:
>
> IVB-EP (2*20*2):
As noted by someone; that should be 2*10*2, for a total of 40 cpus in
this machine.
>
> perf stat --null --repeat 10 -- perf bench sched messaging -g 50 -l 5000
>
> Before:
On 08/31/2015 11:24 AM, Peter Zijlstra wrote:
On Fri, Aug 14, 2015 at 05:23:08PM +0100, Morten Rasmussen wrote:
Target: ARM TC2 A7-only (x3)
Test: hackbench -g 25 --threads -l 1
Before After
315.545 313.408 -0.68%
Target: Intel(R) Core(TM) i5 CPU M 520 @ 2.40GHz
Test: hackbench -g 25 --th
On Fri, Aug 14, 2015 at 05:23:08PM +0100, Morten Rasmussen wrote:
> Target: ARM TC2 A7-only (x3)
> Test: hackbench -g 25 --threads -l 1
>
> BeforeAfter
> 315.545 313.408 -0.68%
>
> Target: Intel(R) Core(TM) i5 CPU M 520 @ 2.40GHz
> Test: hackbench -g 25 --threads -l 1000 (avg of
On Mon, Aug 17, 2015 at 12:29:51PM +0100, Morten Rasmussen wrote:
> On Sun, Aug 16, 2015 at 10:46:05PM +0200, Peter Zijlstra wrote:
> > On Fri, Aug 14, 2015 at 05:23:08PM +0100, Morten Rasmussen wrote:
> > > Target: ARM TC2 A7-only (x3)
> > > Test: hackbench -g 25 --threads -l 1
> > >
> > > Be
On Sun, Aug 16, 2015 at 10:46:05PM +0200, Peter Zijlstra wrote:
> On Fri, Aug 14, 2015 at 05:23:08PM +0100, Morten Rasmussen wrote:
> > Target: ARM TC2 A7-only (x3)
> > Test: hackbench -g 25 --threads -l 1
> >
> > Before After
> > 315.545 313.408 -0.68%
> >
> > Target: Intel(R) Core(
On Fri, Aug 14, 2015 at 05:23:08PM +0100, Morten Rasmussen wrote:
> Target: ARM TC2 A7-only (x3)
> Test: hackbench -g 25 --threads -l 1
>
> BeforeAfter
> 315.545 313.408 -0.68%
>
> Target: Intel(R) Core(TM) i5 CPU M 520 @ 2.40GHz
> Test: hackbench -g 25 --threads -l 1000 (avg of
Per-entity load-tracking currently only compensates for frequency scaling for
utilization tracking. This patch set extends this compensation to load as well,
and adds compute capacity (different microarchitectures and/or max
frequency/P-state) invariance to utilization. The former prevents suboptim
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