From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ingo Molnar <mingo@kernel.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/6] Basic scheduler support for automatic NUMA balancing
Date: Tue, 2 Jul 2013 10:58:12 +0530 [thread overview]
Message-ID: <20130702052812.GA2654@linux.vnet.ibm.com> (raw)
In-Reply-To: <20130701084321.GD1875@suse.de>
* Mel Gorman <mgorman@suse.de> [2013-07-01 09:43:21]:
>
> Thanks. Each of the the two runs had 5 iterations and there is a
> difference in the reported average. Do you know what the standard
> deviation is of the results?
Yes, the results were from 2 different runs.
I hadnt calculated the std deviation for those runs.
>
> I'm less concerned about the numa01 results as it is an adverse
> workload on machins with more than two sockets but the numa02 results
> are certainly of concern. My own testing for numa02 showed little or no
> change. Would you mind testing with "Increase NUMA PTE scanning when a
> new preferred node is selected" reverted please?
>
Here are the results with the last patch reverted as requested by you.
KernelVersion: 3.9.0-mainline_v39+ your patches - last patch
Testcase: Min Max Avg StdDev %Change
numa01: 1704.50 1841.82 1757.55 49.27 2.42%
numa01_THREAD_ALLOC: 433.25 517.07 464.17 28.15 -32.99%
numa02: 55.64 61.75 57.70 2.19 -43.52%
numa02_SMT: 44.78 53.45 48.72 2.91 -18.53%
Detailed run output here
numa01 1704.50 248.67 71999.86 207091 1093
numa01_THREAD_ALLOC 461.62 416.89 23064.79 90283 961
numa02 61.75 93.86 2444.21 10652 6
numa02_SMT 46.79 23.13 977.94 1925 8
numa01 1769.09 262.00 74607.77 226677 1313
numa01_THREAD_ALLOC 433.25 365.12 21994.25 88597 773
numa02 55.64 89.52 2250.01 8848 210
numa02_SMT 49.39 19.81 938.86 1376 33
numa01 1841.82 407.73 78683.69 227428 1834
numa01_THREAD_ALLOC 517.07 465.71 26152.60 111689 978
numa02 55.95 103.26 2223.36 8471 158
numa02_SMT 53.45 19.73 962.08 1349 26
numa01 1760.41 474.74 76094.03 231278 2802
numa01_THREAD_ALLOC 456.80 395.35 23170.23 88049 835
numa02 57.18 87.31 2390.11 10804 3
numa02_SMT 44.78 26.48 944.28 1314 7
numa01 1711.91 421.49 77728.30 224185 2103
numa01_THREAD_ALLOC 452.09 430.88 22271.38 83418 2035
numa02 57.97 126.86 2354.34 8991 135
numa02_SMT 49.19 34.99 914.35 1308 22
> --
> Mel Gorman
> SUSE Labs
>
--
Thanks and Regards
Srikar Dronamraju
next prev parent reply other threads:[~2013-07-02 5:29 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-26 14:37 [PATCH 0/6] Basic scheduler support for automatic NUMA balancing Mel Gorman
2013-06-26 14:38 ` [PATCH 1/8] mm: numa: Document automatic NUMA balancing sysctls Mel Gorman
2013-06-26 14:38 ` [PATCH 2/8] sched: Track NUMA hinting faults on per-node basis Mel Gorman
2013-06-27 15:57 ` Peter Zijlstra
2013-06-28 12:22 ` Mel Gorman
2013-06-28 6:08 ` Srikar Dronamraju
2013-06-28 8:56 ` Peter Zijlstra
2013-06-28 12:30 ` Mel Gorman
2013-06-26 14:38 ` [PATCH 3/8] sched: Select a preferred node with the most numa hinting faults Mel Gorman
2013-06-28 6:14 ` Srikar Dronamraju
2013-06-28 8:59 ` Peter Zijlstra
2013-06-28 10:24 ` Srikar Dronamraju
2013-06-28 12:33 ` Mel Gorman
2013-06-26 14:38 ` [PATCH 4/8] sched: Update NUMA hinting faults once per scan Mel Gorman
2013-06-28 6:32 ` Srikar Dronamraju
2013-06-28 9:01 ` Peter Zijlstra
2013-06-26 14:38 ` [PATCH 5/8] sched: Favour moving tasks towards the preferred node Mel Gorman
2013-06-27 14:52 ` Peter Zijlstra
2013-06-27 14:53 ` Peter Zijlstra
2013-06-28 13:00 ` Mel Gorman
2013-06-27 16:01 ` Peter Zijlstra
2013-06-28 13:01 ` Mel Gorman
2013-06-27 16:11 ` Peter Zijlstra
2013-06-28 13:45 ` Mel Gorman
2013-06-28 15:10 ` Peter Zijlstra
2013-06-28 8:11 ` Srikar Dronamraju
2013-06-28 9:04 ` Peter Zijlstra
2013-06-28 10:07 ` Srikar Dronamraju
2013-06-28 10:24 ` Peter Zijlstra
2013-06-28 13:51 ` Mel Gorman
2013-06-28 17:14 ` Srikar Dronamraju
2013-06-28 17:34 ` Mel Gorman
2013-06-28 17:44 ` Srikar Dronamraju
2013-06-26 14:38 ` [PATCH 6/8] sched: Reschedule task on preferred NUMA node once selected Mel Gorman
2013-06-27 14:54 ` Peter Zijlstra
2013-06-28 13:54 ` Mel Gorman
2013-07-02 12:06 ` Srikar Dronamraju
2013-07-02 16:29 ` Mel Gorman
2013-07-02 18:17 ` Peter Zijlstra
2013-07-06 6:44 ` Srikar Dronamraju
2013-07-06 10:47 ` Peter Zijlstra
2013-07-02 18:15 ` Peter Zijlstra
2013-07-03 9:50 ` Peter Zijlstra
2013-07-03 15:28 ` Mel Gorman
2013-07-03 18:46 ` Peter Zijlstra
2013-06-26 14:38 ` [PATCH 7/8] sched: Split accounting of NUMA hinting faults that pass two-stage filter Mel Gorman
2013-06-27 14:56 ` Peter Zijlstra
2013-06-28 14:00 ` Mel Gorman
2013-06-28 7:00 ` Srikar Dronamraju
2013-06-28 9:36 ` Peter Zijlstra
2013-06-28 10:12 ` Srikar Dronamraju
2013-06-28 10:33 ` Peter Zijlstra
2013-06-28 14:29 ` Mel Gorman
2013-06-28 15:12 ` Peter Zijlstra
2013-06-26 14:38 ` [PATCH 8/8] sched: Increase NUMA PTE scanning when a new preferred node is selected Mel Gorman
2013-06-27 14:59 ` [PATCH 0/6] Basic scheduler support for automatic NUMA balancing Peter Zijlstra
2013-06-28 13:54 ` Srikar Dronamraju
2013-07-01 5:39 ` Srikar Dronamraju
2013-07-01 8:43 ` Mel Gorman
2013-07-02 5:28 ` Srikar Dronamraju [this message]
2013-07-02 7:46 ` Peter Zijlstra
2013-07-02 8:55 ` Peter Zijlstra
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