Messages in this thread | | | Date | Mon, 28 Oct 2002 23:51:57 -0800 | From | Andrew Morton <> | Subject | Re: [BENCHMARK] 2.5.44-mm6 contest results |
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Jens Axboe wrote: > > On Mon, Oct 28 2002, Andrew Morton wrote: > > Con Kolivas wrote: > > > > > > io_load: > > > Kernel [runs] Time CPU% Loads LCPU% Ratio > > > 2.5.44 [3] 873.8 9 69 12 12.24 > > > 2.5.44-mm1 [3] 347.3 22 35 15 4.86 > > > 2.5.44-mm2 [3] 294.2 28 19 10 4.12 > > > 2.5.44-mm4 [3] 358.7 23 25 10 5.02 > > > 2.5.44-mm5 [4] 270.7 29 18 11 3.79 > > > 2.5.44-mm6 [3] 284.1 28 20 10 3.98 > > > > Jens, I think I prefer fifo_batch=16. We do need to expose > > these in /somewhere so people can fiddle with them. > > I was hoping someone else would do comprehensive disk benchmarks with > fifo_batch=32 and fifo_batch=16, but I guess that you have to currently > change the define in the source doesn't make that very likely. I don't > really like your global settings (for per-queue entities), but I guess > they can suffice until a better approach is done.
Oh sure; it's just a hack so we can experiment with it. Not that anyone has, to my knowledge.
> I'll do some benching today.
Wouldn't hurt, but it's a complex problem. Another approach would be to quietly change it and see who squeaks ;) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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