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Subject: Re: Why HZ on i386 is 100 ?
To: terje.eggestad@scali.com (Terje Eggestad)
Date: Tue, 16 Apr 2002 14:58:33 +0100 (BST)
Cc: linux-kernel@vger.kernel.org (linux-kernel),
        l_girdwood@bitwise.co.uk (Liam Girdwood),
        balbir.singh@wipro.com (BALBIR SINGH),
        olaf@navi.pl (William Olaf Fraczyk),
        wli@holomorphy.com (Lee Irwin III)
In-Reply-To: <1018964120.13527.37.camel@pc-16.office.scali.no> from "Terje Eggestad" at Apr 16, 2002 03:35:19 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> 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..
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