Re: Interesting analysis of linux kernel threading by IBM

From: Ian Soboroff (
Date: Fri Jan 21 2000 - 09:47:38 EST

Phillip Ezolt <> writes:

> > Hondreds of tasks is just not a typical (perhaps even realistic)
> > workload.
> Yes it is.
> [...]
> Or a highly threaded application.

didn't Larry McVoy make a point a while back (which relates well to
the IBM paper), that if your application depends on huge numbers of
threads, you're always going to keep bumping up against the scheduler?
a lot of people throw lots of threads at a problem and it can really
be bad design.

in the vast majority of cases, i suspect it's easier and probably
better to redesign the app than redesign the scheduler. that said,
the improvements already done are quite good and needed.


Ian Soboroff                             
University of MD Baltimore County

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