Messages in this thread | | | Subject | Re: [PATCH 2.5.47] NUMA scheduler (1/2) | From | Michael Hohnbaum <> | Date | 11 Nov 2002 16:24:14 -0800 |
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On Mon, 2002-11-11 at 07:13, Erich Focht wrote: > Hi, > > here come the NUMA scheduler patches for 2.5.47 which emerged from > Michael's and my work on NUMA schedulers. As usual in two parts: > > 01-numa-sched-core-2.5.47-21.patch: core NUMA scheduler infrastructure > providing a node aware load_balancer > > 02-numa-sched-ilb-2.5.47-21.patch: initial load balancing, selects > least loaded node & CPU at exec()
Built, booted, tested on NUMAQ. Results:
$ reportbench sched47 stock47 Kernbench: Elapsed User System CPU sched47 20.39s 191.824s 50.358s 1187.6% stock47 20.608s 194.536s 53s 1201.4%
Schedbench 4: Elapsed TotalUser TotalSys AvgUser sched47 22.45 34.79 89.84 0.69 stock47 29.05 42.58 116.25 0.94
Schedbench 8: Elapsed TotalUser TotalSys AvgUser sched47 39.58 60.98 316.72 1.78 stock47 43.30 56.84 346.49 2.44
Schedbench 16: Elapsed TotalUser TotalSys AvgUser sched47 58.83 72.58 941.56 5.30 stock47 60.76 82.05 972.31 4.82
Schedbench 32: Elapsed TotalUser TotalSys AvgUser sched47 55.87 122.75 1788.32 11.02 stock47 77.93 179.68 2494.06 11.35
Schedbench 64: Elapsed TotalUser TotalSys AvgUser sched47 85.77 360.49 5490.28 21.13 stock47 94.31 398.85 6036.95 23.47
Michael
> An up-to-date BK tree containing the whole NUMA scheduler can be found > at bk://numa-ef.bkbits.net/numa-sched . > > Regards, > Erich
--
Michael Hohnbaum 503-578-5486 hohnbaum@us.ibm.com T/L 775-5486
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