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Date: Mon, 14 Jan 2002 19:27:44 -0800 (PST)
From: Davide Libenzi <davidel@xmailserver.org>
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To: Ed Tomlinson <tomlins@cam.org>
cc: Ingo Molnar <mingo@elte.hu>, lkml <linux-kernel@vger.kernel.org>,
        Dave Jones <davej@suse.de>
Subject: Re: [patch] O(1) scheduler-H6/H7 and nice +19
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On Mon, 14 Jan 2002, Ed Tomlinson wrote:

> On January 14, 2002 09:33 pm, Davide Libenzi wrote:
> > try to replace :
> >
> > PRIO_TO_TIMESLICE() and RT_PRIO_TO_TIMESLICE() with :
> >
> > #define NICE_TO_TIMESLICE(n)    (MIN_TIMESLICE + ((MAX_TIMESLICE - \
> > 	MIN_TIMESLICE) * ((n) + 20)) / 39)
> >
> >
> > NICE_TO_TIMESLICE(p->__nice)
>
> Not sure about this change.  gkrellm shows the compile getting about 40%
> cpu.  Best result here seems to be with a larger range of timeslices.  ie
> 1-15 ((10*HZ)/1000...) instead lets the compile get 80% of the cpu.  wonder
> if this might be the way to go?

What's the MIN/MAX_TIMESLICE range that you used to get 80% of cpu ?




- Davide


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