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From: Rik van Riel <riel@redhat.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org, jhladky@redhat.com,
	mgorman@suse.de, peterz@infradead.org
Subject: Re: [PATCH 1/4] sched,numa: override part of migrate_degrades_locality when idle balancing
Date: Sat, 24 Jun 2017 19:45:54 -0400	[thread overview]
Message-ID: <1498347954.13083.40.camel@redhat.com> (raw)
In-Reply-To: <20170624065830.tuyznoakmzoekvdh@gmail.com>

On Sat, 2017-06-24 at 08:58 +0200, Ingo Molnar wrote:
> * riel@redhat.com <riel@redhat.com> wrote:
> 
> > From: Rik van Riel <riel@redhat.com>
> > 
> > Several tests in the NAS benchmark seem to run a lot slower with
> > NUMA balancing enabled, than with NUMA balancing disabled. The
> > slower run time corresponds with increased idle time.
> > 
> > Overriding the final test of migrate_degrades_locality (but still
> > doing the other NUMA tests first) seems to improve performance
> > of those benchmarks.
> > 
> > Reported-by: Jirka Hladky <jhladky@redhat.com>
> > Signed-off-by: Rik van Riel <riel@surriel.com>
> > Signed-off-by: Rik van Riel <riel@redhat.com>
> 
> Note, I removed the first SOB from the commit, assuming that you only
> meant to 
> include the second one?

Thank you. It looks like I used the wrong email address
in the SOB I wrote in the patch, and git added the second
one automatically. The second one is indeed the one I want.

  reply	other threads:[~2017-06-24 23:45 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-23 16:55 [PATCH 0/4] NUMA improvements with task wakeup and load balancing riel
2017-06-23 16:55 ` [PATCH 1/4] sched,numa: override part of migrate_degrades_locality when idle balancing riel
2017-06-24  6:58   ` Ingo Molnar
2017-06-24 23:45     ` Rik van Riel [this message]
2017-06-24  7:22   ` [tip:sched/core] sched/numa: Override part of migrate_degrades_locality() " tip-bot for Rik van Riel
2017-06-23 16:55 ` [PATCH 2/4] sched: simplify wake_affine for single socket case riel
2017-06-24  7:22   ` [tip:sched/core] sched/fair: Simplify wake_affine() for the " tip-bot for Rik van Riel
2017-06-23 16:55 ` [PATCH 3/4] sched,numa: implement numa node level wake_affine riel
2017-06-24  7:23   ` [tip:sched/core] sched/numa: Implement NUMA node level wake_affine() tip-bot for Rik van Riel
2017-06-26 14:43   ` [PATCH 3/4] sched,numa: implement numa node level wake_affine Peter Zijlstra
2017-06-23 16:55 ` [PATCH 4/4] sched,fair: remove effective_load riel
2017-06-24  7:23   ` [tip:sched/core] sched/fair: Remove effective_load() tip-bot for Rik van Riel
2017-06-26 14:44   ` [PATCH 4/4] sched,fair: remove effective_load Peter Zijlstra
2017-06-26 14:46     ` Peter Zijlstra
2017-06-26 14:55       ` Rik van Riel
2017-06-26 15:04         ` Peter Zijlstra
2017-06-26 15:20           ` Rik van Riel
2017-06-26 16:12             ` Peter Zijlstra
2017-06-26 19:34               ` Rik van Riel
2017-06-27  5:39                 ` Peter Zijlstra
2017-06-27 14:55                   ` Rik van Riel
2017-08-01 12:19                     ` [PATCH] sched/fair: Fix wake_affine() for !NUMA_BALANCING Peter Zijlstra
2017-08-01 19:26                       ` Josef Bacik
2017-08-01 21:43                         ` Peter Zijlstra
2017-08-24 22:29                           ` Chris Wilson
2017-08-25 15:46                           ` Chris Wilson
2017-06-27 18:27               ` [PATCH 4/4] sched,fair: remove effective_load Rik van Riel

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