linux-kernel - Re: [ANNOUNCE] RSDL completely fair starvation free interactive cpu scheduler

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Message-id: <Pine.LNX.4.64.0703041831010.1190@montezuma.windriver.com>
Date:	Sun, 04 Mar 2007 18:31:40 -0800 (PST)
From:	Zwane Mwaikambo <zwane@...radead.org>
To:	Gene Heskett <gene.heskett@...il.com>
Cc:	linux-kernel@...r.kernel.org, Con Kolivas <kernel@...ivas.org>,
	ck list <ck@....kolivas.org>
Subject: Re: [ANNOUNCE] RSDL completely fair starvation free interactive cpu
 scheduler

On Sun, 4 Mar 2007, Gene Heskett wrote:

> >There will be times when the mainline scheduler feels more interactive
> > than this scheduler, and that is because it has significant unfairness
> > granted towards interactive tasks. This degree of unfairness in an
> > effort to maintain interactivity has been criticised and causes
> > problems in certain environments with both loss of fairness, relative
> > starvation and is not entirely predictable.
> 
> Well, in 20 minutes of playing, I am so far VERY impressed, the kmail 
> composer is typing to the screen in unison to my keystrokes, where with 
> the older version it often went away for 10 or more seconds at a time, 
> then displayed the last sentence I had typed in one (or 2 sometimes) 
> swell foop.  Now I can back up and correct a typo in real time whereas 
> before, it was often faster if the typo was half a line back, and the key 
> repeat so darned slow it was often over a second per character cell 
> moved, to go grab the mouse, position the cursor on the typo, click, wait 
> for the indicator to move, and then fix it.  Typing is now pleasurable 
> again.  Key repeats seem to remain at the set in the bios key repeat 
> speed.  Amazing.  I do believe you have given me back my machine.

What are the specs on your hardware?

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