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Re: Syslets, Threadlets, generic AIO support, v6

From:  Ingo Molnar <mingo-AT-elte.hu>
To:  Jeff Garzik <jeff-AT-garzik.org>
Subject:  Re: Syslets, Threadlets, generic AIO support, v6
Date:  Wed, 30 May 2007 09:20:55 +0200
Cc:  Zach Brown <zach.brown-AT-oracle.com>, linux-kernel-AT-vger.kernel.org, Linus Torvalds <torvalds-AT-linux-foundation.org>, Arjan van de Ven <arjan-AT-infradead.org>, Christoph Hellwig <hch-AT-infradead.org>, Andrew Morton <akpm-AT-zip.com.au>, Alan Cox <alan-AT-lxorguk.ukuu.org.uk>, Ulrich Drepper <drepper-AT-redhat.com>, Evgeniy Polyakov <johnpol-AT-2ka.mipt.ru>, "David S. Miller" <davem-AT-davemloft.net>, Suparna Bhattacharya <suparna-AT-in.ibm.com>, Davide Libenzi <davidel-AT-xmailserver.org>, Jens Axboe <jens.axboe-AT-oracle.com>, Thomas Gleixner <tglx-AT-linutronix.de>
Archive-link:  Article, Thread


* Jeff Garzik <jeff@garzik.org> wrote:

> You should pick up the kevent work :)

3 months ago i verified the published kevent vs. epoll benchmark and 
found that benchmark to be fatally flawed. When i redid it properly 
kevent showed no significant advantage over epoll. Note that i did those 
measurements _before_ the recent round of epoll speedups. So unless 
someone does believable benchmarks i consider kevent an over-hyped, 
mis-benchmarked complication to do something that epoll is perfectly 
capable of doing.

	Ingo


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