linux-kernel - Re: Network slowdown due to CFS

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Date:	Wed, 3 Oct 2007 09:15:19 +0200
From:	Jarek Poplawski <jarkao2@...pl>
To:	davids@...master.com
Cc:	Arjan van de Ven <arjan@...radead.org>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: Network slowdown due to CFS

On 02-10-2007 17:37, David Schwartz wrote:
...
> So now I not only have to come up with an example where sched_yield is the
> best practical choice, I have to come up with one where sched_yield is the
> best conceivable choice? Didn't we start out by agreeing these are very rare
> cases? Why are we designing new APIs for them (Arjan) and why do we care
> about their performance (Ingo)?
> 
> These are *rare* cases. It is a waste of time to optimize them.

Probably we'll start to care after first comparison tests done by our
rivals. It should be a piece of cake for them to find the "right"
code...

Regards,
Jarek P.
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