From: Jeff Garzik <jeff@garzik.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Alex Volkov <avcp-lkmail@usa.net>,
"'Linux Kernel Mailing List'" <linux-kernel@vger.kernel.org>
Subject: Re: aio is unlikely
Date: Fri, 18 May 2007 17:11:42 -0400 [thread overview]
Message-ID: <464E168E.4000403@garzik.org> (raw)
In-Reply-To: <20070518140624.1a4db517.akpm@linux-foundation.org>
Andrew Morton wrote:
> Yes, if you agree with Jeff's original point.
>
> But I don't, actually. Sure, on some machines+workloads, AIO is more
> common than sync IO. But I expect that when we sum across all the
> machines+workloads in the world, sync IO is more common and is hence the
> case we should optimise for.
>
> That's assuming that the unlikely() actually does something.
For the record, I agreed with your counter-point, and retract[ed?] my
disagreement...
Jeff
next prev parent reply other threads:[~2007-05-18 21:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200705092101.l49L1CF1023363@hera.kernel.org>
2007-05-09 22:06 ` aio is unlikely Jeff Garzik
2007-05-09 22:18 ` Andrew Morton
2007-05-09 22:37 ` Jeff Garzik
2007-05-18 20:49 ` Alex Volkov
2007-05-18 21:06 ` Andrew Morton
2007-05-18 21:11 ` Jeff Garzik [this message]
2007-05-18 21:54 ` Phillip Susi
2007-05-18 22:12 ` Andrew Morton
2007-05-18 22:37 ` Jeff Garzik
2007-05-19 3:43 ` Nick Piggin
2007-05-19 3:50 ` Jeff Garzik
2007-05-18 21:30 ` Bernd Eckenfels
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