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Open Source and information security mailing list archives
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Date: Wed, 22 May 2013 16:55:51 +0200
From: Mike Galbraith <bitbucket@...ine.de>
To: Michael Wang <wangyun@...ux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@...radead.org>,
LKML <linux-kernel@...r.kernel.org>,
Ingo Molnar <mingo@...nel.org>, Alex Shi <alex.shi@...el.com>,
Namhyung Kim <namhyung@...nel.org>,
Paul Turner <pjt@...gle.com>,
Andrew Morton <akpm@...ux-foundation.org>,
"Nikunj A. Dadhania" <nikunj@...ux.vnet.ibm.com>,
Ram Pai <linuxram@...ibm.com>
Subject: Re: [PATCH v2] sched: wake-affine throttle
On Wed, 2013-05-22 at 17:25 +0800, Michael Wang wrote:
> I've not test the hackbench with wakeup-buddy before, will do it this
> time, I suppose the 15% illegal income will suffered, anyway, it's
> illegal :)
On a 4 socket 40 core (+SMT) box, hackbench wasn't too happy.
defaultx = wakeup buddy
tbench 30 localhost
1 5 10 20 40 80 160 320
3.10.0-default 188.13 953.03 1860.03 3180.93 5378.34 10826.06 11342.90 11651.30
3.10.0-defaultx 187.26 934.55 1859.30 3160.29 5016.35 12477.15 12567.05 12068.47
hackbench -l 400 -g 400
3.10.0-default Time: 3.919 4.250 4.116
3.10.0-defaultx Time: 9.074 10.985 9.849
aim7 compute
AIM Multiuser Benchmark - Suite VII "1.1" 3.10.0-default AIM Multiuser Benchmark - Suite VII "1.1" 3.10.0-defaultx
Tasks Jobs/Min JTI Real CPU Jobs/sec/task Tasks Jobs/Min JTI Real CPU Jobs/sec/task
1 428.0 100 14.2 4.1 7.1328 1 428.9 100 14.1 4.1 7.1479
1 417.9 100 14.5 4.1 6.9655 1 430.4 100 14.1 4.0 7.1733
1 427.7 100 14.2 4.2 7.1277 1 424.7 100 14.3 4.2 7.0778
5 2350.7 99 12.9 13.8 7.8355 5 2156.6 99 14.1 19.8 7.1886
5 2422.1 99 12.5 12.1 8.0735 5 2155.0 99 14.1 19.7 7.1835
5 2189.3 98 13.8 18.3 7.2977 5 2108.6 99 14.4 21.4 7.0285
10 4515.6 93 13.4 27.6 7.5261 10 4529.1 96 13.4 29.5 7.5486
10 4708.6 96 12.9 24.3 7.8477 10 4597.9 96 13.2 26.9 7.6631
10 4636.6 96 13.1 25.7 7.7276 10 5197.3 98 11.7 14.8 8.6621
20 8053.2 95 15.1 78.1 6.7110 20 9431.9 98 12.8 49.1 7.8599
20 8250.5 92 14.7 67.5 6.8754 20 7973.7 97 15.2 93.4 6.6447
20 8178.1 97 14.8 78.5 6.8151 20 8145.2 95 14.9 78.4 6.7876
40 17413.8 94 13.9 88.6 7.2557 40 16312.2 92 14.9 115.6 6.7968
40 16775.1 93 14.5 111.6 6.9896 40 17070.4 94 14.2 110.6 7.1127
40 16031.7 93 15.1 147.1 6.6799 40 17578.0 94 13.8 96.9 7.3241
80 33666.7 95 14.4 138.4 7.0139 80 33854.7 96 14.3 177.9 7.0531
80 33949.6 97 14.3 128.0 7.0728 80 34164.9 96 14.2 146.4 7.1177
80 35752.2 96 13.6 159.1 7.4484 80 33807.5 96 14.3 127.6 7.0432
160 74814.8 98 13.0 149.8 7.7932 160 75162.8 98 12.9 148.6 7.8295
160 74015.3 97 13.1 149.5 7.7099 160 74642.0 98 13.0 168.2 7.7752
160 73621.9 98 13.2 146.3 7.6689 160 75572.9 98 12.8 163.6 7.8722
320 139210.3 96 13.9 280.1 7.2505 320 139010.8 97 14.0 282.4 7.2401
320 135135.9 96 14.3 277.8 7.0383 320 139611.2 96 13.9 282.2 7.2714
320 139110.5 96 13.9 280.4 7.2453 320 138514.3 97 14.0 281.0 7.2143
640 223538.9 98 17.4 577.2 5.8213 640 224704.5 95 17.3 567.3 5.8517
640 224055.5 97 17.3 575.7 5.8348 640 222385.3 95 17.4 580.1 5.7913
640 225488.4 96 17.2 566.3 5.8721 640 225882.4 93 17.2 563.0 5.8824
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