lkml.org 
[lkml]   [2007]   [Apr]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch] CFS scheduler, -v6
On Sat, Apr 28, 2007 at 08:53:27PM +0530, Srivatsa Vaddagiri wrote:
> With the patch below applied, I ran a "time -p make -s -j10 bzImage"
> test.

On a 4CPU (accounting HT) Intel Xeon 3.6GHz box

>
> 2.6.20 + cfs-v6 -> 186.45 (real)
> 2.6.20 + cfs-v6 + this_patch -> 184.55 (real)
>
> or about ~1% improvement in real wall-clock time. This was with the default
> sched_granularity_ns of 6000000. I suspect larger the value of
> sched_granularity_ns and the number of (SCHED_NORMAL) tasks in system, better
> the benefit from this caching.

--
Regards,
vatsa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-04-28 17:23    [W:0.115 / U:0.380 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site