Re: [STATUS 2.5] July 10, 2002

From: Robert Love (rml@tech9.net)
Date: Wed Jul 10 2002 - 15:46:26 EST


On Wed, 2002-07-10 at 14:07, Alan Cox wrote:

> > Why was the rate incremented to maintain interactive performance? Wasn't
> > that the whole idea of the pre-empt work? Does the burden of pre-empt
> > actually require this?
>
> Bizarrely in many cases it increases throughput

I can attest to this. We see the same thing with the preemptible kernel
(throughput increases on certain workloads).

My guess would be the better process response applies the same to
throughput: sooner to wake up, sooner to run, sooner to be done.

        Robert Love

-
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/



This archive was generated by hypermail 2b29 : Mon Jul 15 2002 - 22:00:18 EST