lkml.org 
[lkml]   [2019]   [Dec]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] sched/fair: Optimize select_idle_core
Hi Vincent,

> >
> > Collecting ticks on a Power 9 SMT 8 system around select_idle_core
> > while running schbench shows us that
> >
> > (units are in ticks, hence lesser is better)
> > Without patch
> > N Min Max Median Avg Stddev
> > x 130 151 1083 284 322.72308 144.41494
> >
> >
> > With patch
> > N Min Max Median Avg Stddev Improvement
> > x 164 88 610 201 225.79268 106.78943 30.03%
>
> Thanks for the figures. Might be good to include them in the commit message
>

Since I needed a debug/hack patch on top of upstream/my-patch to get these
numbers, I wasn't sure if this would be ideal to be included in a commit
message. But if you still think it's good to have, I can re-spin the patch
with these numbers included.

> Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org>
>

Thanks.

--
Thanks and Regards
Srikar Dronamraju

\
 
 \ /
  Last update: 2019-12-06 14:40    [W:0.054 / U:21.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site