Messages in this thread | | | Subject | Re: [patch] sched-2.5.59-A2 | From | Michael Hohnbaum <> | Date | 17 Jan 2003 10:19:37 -0800 |
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On Fri, 2003-01-17 at 07:11, Ingo Molnar wrote:
> agreed, i've attached the -B0 patch that does this. The balancing rates > are 1 msec, 2 msec, 200 and 400 msec (idle-local, idle-global, busy-local, > busy-global). > > Ingo
Ran this patch on a 4 node (16 CPU, 16 GB memory) NUMAQ. Results don't look encouraging. I would suggest not applying this patch until the degradation is worked out.
stock59 = linux 2.5.59 ingo59 = linux 2.5.59 with Ingo's B0 patch
Kernbench: Elapsed User System CPU stock59 29.668s 283.762s 82.286s 1233% ingo59 37.736s 338.162s 153.486s 1302.6%
Schedbench 4: AvgUser Elapsed TotalUser TotalSys stock59 0.00 24.44 68.07 0.78 ingo59 0.00 62.14 163.32 1.93
Schedbench 8: AvgUser Elapsed TotalUser TotalSys stock59 0.00 48.26 246.75 1.64 ingo59 0.00 68.17 376.85 6.42
Schedbench 16: AvgUser Elapsed TotalUser TotalSys stock59 0.00 56.51 845.26 2.98 ingo59 0.00 114.38 1337.65 18.89
Schedbench 32: AvgUser Elapsed TotalUser TotalSys stock59 0.00 116.95 1806.33 6.23 ingo59 0.00 243.46 3515.09 43.92
Schedbench 64: AvgUser Elapsed TotalUser TotalSys stock59 0.00 237.29 3634.59 15.71 ingo59 0.00 688.31 10605.40 102.71
--
Michael Hohnbaum 503-578-5486 hohnbaum@us.ibm.com T/L 775-5486
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