lkml.org 
[lkml]   [2014]   [Jun]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 9/7] sched,numa: remove task_h_load from task_numa_compare
On Wed, Jun 25, 2014 at 01:39:27AM -0400, Rik van Riel wrote:
>
> Here it goes:
>
> When CONFIG_FAIR_GROUP_SCHED is enabled, the load that a task places
> on a CPU is determined by the group the task is in. The active groups
> on the source and destination CPU can be different, resulting in a
> different load contribution by the same task at its source and at its
> destination. As a result, the load needs to be calculated separately
> for each CPU, instead of estimated once with task_h_load.
>
> Getting this calculation right allows some workloads to converge,
> where previously the last thread could get stuck on another node,
> without being able to migrate to its final destination.
>

Thanks!

>
>
> - --
> All rights reversed
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1
> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
>
> iQEcBAEBAgAGBQJTqmCPAAoJEM553pKExN6D4/IH/1Ez7G3jAnYFpQYvH/wSm75V
> kbH+mouLAqeICjHRdXAr1SGuD8i85JeUeDU2+SymdhC+hwZXbvR/aQfX0/ok4kN7
> e7kJbaNS6Lrq3bDjm74aTpMKB+zK2OExqR1DQBXwynbUahAyx3+9uXNDYp35yZwo
> tt+h3Rdrmy2lTTpE0fuEjGc8ODrEJjeWyYAVxT/aQXnwgfXfp6BZ1SEXyRRmrxR0
> BunsgWTO7uBxGGEIZrrm/l7mdIrsi4oAN9C4RA7v6LMR6cUW9Fj5o6iva9X714wG
> txP4/AGowucS5VckN1RIaM8/pzMB3MVuAmCTX4PqWg1jf3eggcQpe5/4/bVYUqQ=
> =QgYM
> -----END PGP SIGNATURE-----

http://www.tummy.com/blogs/2008/09/05/enigmail-message-composition-and-mutt/
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2014-06-25 09:01    [W:0.038 / U:0.132 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site