Re: [PATCH] syscall latency improvement #1

Robert Love (rml@tech9.net)
25 Jan 2002 22:20:39 -0500


On Fri, 2002-01-25 at 22:06, Robert Love wrote:

> Same program, AMD Athlon MP 1600 (booted UP), kernel 2.5.3-pre5.
>
> with cli: real 0m19.706s user 0m11.400s sys 0m8.290s
> without cli: real 0m19.449s user 0m10.630s sys 0m8.820s
>
> That is 1.3% improvement.

And let me add with David Howell's patch:

patch: real 0m19.305s user 0m8.130s sys 0m11.180s

Which is 0.7% faster than without cli, and 2.07% faster than the stock
(with cli) kernel. This is the average of three runs, btw.

Robert Love

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