Re: dynamic-hz

Andrea Arcangeli
2004-12-13T22:54:31Z

On Mon, Dec 13, 2004 at 09:26:42PM +0100, Olaf Hering wrote:
> Not a comment, more a question:
>
> Will there be a real benefit by running an old PII 200MMX at 100HZ
> instead of 1000HZ?
> I guess less interrupts should improve the desktop performance a little bit.

On a pii the slowdown is probably more than 1%, the slower the cpu, the
more 100hz is appropriate. This is not going to be very noticeable on a
desktop since a desktop is often idle, but only on servers it should
help (for example kernel compiles will be more than 1% faster).