lkml.org 
[lkml]   [2014]   [Jul]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRE: [PATCH 0/2] cpufreq: ondemand: Eliminate the deadband effect
Date

On 2014.07.30 10:00 Stratos Karafotis wrote:

> This patchset changes slightly the calculation of target frequency to
> eliminate the deadband effect (explained in patch 2 changelog) that it
> seems to slow down the CPU in low and medium loads.
>
> Patch 1 introduces a new relation (RELATION_C) for the next frequency
> selection, which chooses the closest frequency to target.
>
> Patch 2 is the actual change to ondemand governor.

> You may find graphs with the 'deadband' effect and benchmark results:
> https://docs.google.com/spreadsheets/d/16kDBh5lyc6YvBnoS1hUa1t2O38z0xrWvaEj5XtJ8auw/edit#gid=2072493052

I did the same benchmark tests before (without) and after (with) this patch set on my i7-2600K system.
I added the results, which are similar to Stratos', under a new "benchmark" tab on the spreadsheet.

... Doug




\
 
 \ /
  Last update: 2014-07-12 18:41    [W:0.091 / U:0.504 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site