Re: Why HZ on i386 is 100 ?
H. Peter Anvin (hpa@zytor.com)
16 Apr 2002 17:22:28 -0700
Followup to: <E16xTTd-0008Va-00@the-village.bc.nu>
By author: Alan Cox <alan@lxorguk.ukuu.org.uk>
In newsgroup: linux.dev.kernel
>
> > I seem to recall from theory that the 100HZ is human dependent. Any
> > higher and you would begin to notice delays from you input until
> > whatever program you're talking to responds.
>
> Ultimately its because Linus pulled that number out of a hat about ten years
> ago. For some workloads 1KHz is much better, for others like giant number
> crunching people actually drop it down to about 5..
>
Hardly so. 100 Hz was standard on most commercial Unices around the
time the first Linux was done...
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
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