From: Rik van Riel <riel@surriel.com>
To: Mel Gorman <mgorman@techsingularity.net>,
Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>,
Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
Jirka Hladky <jhladky@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Linux-MM <linux-mm@kvack.org>
Subject: Re: [PATCH 2/2] mm, numa: Migrate pages to local nodes quicker early in the lifetime of a task
Date: Mon, 01 Oct 2018 11:41:24 -0400 [thread overview]
Message-ID: <211a65a21d69ed8d358f3638d02c3f6ee63d3426.camel@surriel.com> (raw)
In-Reply-To: <20181001100525.29789-3-mgorman@techsingularity.net>
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On Mon, 2018-10-01 at 11:05 +0100, Mel Gorman wrote:
> With this patch applied, STREAM performance is the same as 4.17 even
> though
> processes are not spread cross-node prematurely. Other workloads
> showed
> a mix of minor gains and losses. This is somewhat expected most
> workloads
> are not very sensitive to the starting conditions of a process.
>
> 4.19.0-rc5 4.19.0-
> rc5 4.17.0
> numab-v1r1 fastmigrate-
> v1r1 vanilla
> MB/sec copy 43298.52 ( 0.00%) 47335.46
> ( 9.32%) 47219.24 ( 9.06%)
> MB/sec scale 30115.06 ( 0.00%) 32568.12
> ( 8.15%) 32527.56 ( 8.01%)
> MB/sec add 32825.12 ( 0.00%) 36078.94
> ( 9.91%) 35928.02 ( 9.45%)
> MB/sec triad 32549.52 ( 0.00%) 35935.94
> ( 10.40%) 35969.88 ( 10.51%)
>
> Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Reviewed-by: Rik van Riel <riel@surriel.com>
--
All Rights Reversed.
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next prev parent reply other threads:[~2018-10-01 15:41 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-01 10:05 [PATCH 0/2] Faster migration for automatic NUMA balancing Mel Gorman
2018-10-01 10:05 ` [PATCH 1/2] mm, numa: Remove rate-limiting of automatic numa balancing migration Mel Gorman
2018-10-01 15:39 ` Rik van Riel
2018-10-02 10:17 ` [tip:sched/urgent] mm, sched/numa: Remove rate-limiting of automatic NUMA " tip-bot for Mel Gorman
2018-10-02 11:54 ` [PATCH 1/2] mm, numa: Remove rate-limiting of automatic numa " Srikar Dronamraju
2018-10-01 10:05 ` [PATCH 2/2] mm, numa: Migrate pages to local nodes quicker early in the lifetime of a task Mel Gorman
2018-10-01 15:41 ` Rik van Riel [this message]
2018-10-02 10:17 ` [tip:sched/urgent] sched/numa: " tip-bot for Mel Gorman
2018-10-02 12:41 ` [PATCH 2/2] mm, numa: " Srikar Dronamraju
2018-10-02 13:54 ` Mel Gorman
2018-10-02 17:30 ` Srikar Dronamraju
2018-10-02 18:22 ` Mel Gorman
2018-10-03 13:15 ` Srikar Dronamraju
2018-10-03 13:07 ` Srikar Dronamraju
2018-10-03 13:21 ` Mel Gorman
2018-10-03 14:08 ` Srikar Dronamraju
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