linux-kernel - performance -cfs19 vs. -ck1 for 2.6.22

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Message-ID: <a9e22dff0707160112pc3b7bfcmc73adbd4edec670e@mail.gmail.com>
Date:	Mon, 16 Jul 2007 11:12:47 +0300
From:	"Ni@m" <niam.niam@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>, "Ingo Molnar" <mingo@...e.hu>
Subject: performance -cfs19 vs. -ck1 for 2.6.22

Hi,
I haven't made special tests to compare 2.6.22-cfs19 and 2.6.22-ck1,
but I see performance superiority of 2.6.22-ck1 using my own eyes.
Especially in mozilla-firefox ...
Using 2.6.22 or 2.6.22-cfs19 my firefox hangs for some time(~4-5
seconds) when I'm trying to open any url, but with 2.6.22-ck1 firefox
doesn't hang at all or at least for a second when I have lots of open
tabs.

What is the reason? Had Con made better scheduler than cfs and O(1) in
general kernel?

Kernel configuration in 2.6.22, 2.6.22-ck1, 2.6.22-cfs19 is similar.
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