Re: [patch] get_request starvation fix

Andrew Morton
2002-02-16T10:27:08Z

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.