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Message-ID: <20071003071519.GA1726@ff.dom.local> 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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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