* Mel Gorman <mgorman@xxxxxxx> [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
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>