linux-kernel - Re: RSDL v0.31

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Message-ID: <45FEB54A.3040602@rtr.ca>
Date:	Mon, 19 Mar 2007 12:07:38 -0400
From:	Mark Lord <lkml@....ca>
To:	Al Boldi <a1426z@...ab.com>
Cc:	Mike Galbraith <efault@....de>, Con Kolivas <kernel@...ivas.org>,
	ck@....kolivas.org, Serge Belyshev <belyshev@...ni.sinp.msu.ru>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Nicholas Miell <nmiell@...cast.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: RSDL v0.31

Al Boldi wrote:
>..
> Mike, I'm not saying RSDL is perfect, but v0.31 is by far better than 
> mainline.  Try this easy test:
> 
> startx with the vesa driver
> run reflect from the mesa5.0-demos
> load 5 cpu-hogs
> start moving the mouse
> 
> On my desktop, mainline completely breaks down, and no nicing may rescue.
> 
> On RSDL, even without nicing, the desktop is at least useable.

I use a simpler, far more common (for lkml participants) workload:

Dell notebook, single P-M-2GHz, ATI X300, open source X.org:
(1) build a kernel in one window with "make -j$((NUMBER_OF_CPUS + 1))".
(2) try to read email and/or surf in Firefox/Thunderbird.

Stock scheduler wins easily, no contest.

Cheers
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