Re: [patch] get_request starvation fix
Andrew Morton (firstname.lastname@example.org)
Sat, 16 Feb 2002 02:25:50 -0800
Daniel Phillips wrote:
> On February 16, 2002 08:32 am, Andrew Morton wrote:
> > However, contrary to my earlier guess, the request batching does
> > make a measurable difference. Changing the code so that we wake up
> > a sleeper as soon as any request is freed costs maybe 30%
> > on `dbench 64'.
> Is this consistent with results on other IO benchmarks?
I dunno. I doubt it - few of the other benchmarks are very
seek-intensive. dbench is somewhat repeatable if you load
it up with enough clients. And average the results across
enough runs. And stand on one leg and squint.
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