lkml.org 
[lkml]   [2016]   [May]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC][PATCH 0/7] sched: select_idle_siblings rewrite
On Wed, May 25, 2016 at 06:24:49PM +0200, Peter Zijlstra wrote:
>On Wed, May 25, 2016 at 10:51:20AM -0400, Chris Mason wrote:
>> On Mon, May 09, 2016 at 12:48:07PM +0200, Peter Zijlstra wrote:
>> > Hai,
>> >
>> > here be a semi coherent patch series for the recent select_idle_siblings()
>> > tinkering. Happy benchmarking..
>>
>> This took a while, mostly because my original schbench showed your
>> patches were just as fast as our internal patch, but our production
>> benchmark showed a 5-10% regression. My theory was just that schbench
>> wasn't fine grained enough, and the load would stop before the
>> regression kicked in.
>
>Just to be sure; regression as per your production kernel, not vs.
>mainline, right?

Sorry yes, that's correct.

-chris

\
 
 \ /
  Last update: 2016-05-25 19:41    [W:2.238 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site