Re: Why HZ on i386 is 100 ?

Robert Love
2002-04-17T00:57:45Z

On Tue, 2002-04-16 at 20:49, David Mosberger wrote:

> But since it's popular, I did measure it quickly on a relatively
> slow (old) Itanium box: with 100Hz, the kernel compile was about
> 0.6% faster than with 1024Hz (2.4.18 UP kernel).

One question I have always had is why 1024 and not 1000 ?

Because that is what Alpha does? It seems to me there is no reason for
a power-of-two timer value, and using 1024 vs 1000 just makes the math
and rounding more difficult.

Robert Love