Date: Wed, 30 Sep 2009 09:18:47 -0400 From: Mike Tancsa <mike@sentex.net> To: Bruce Cran <bruce@cran.org.uk>, Robert Noland <rnoland@freebsd.org> Cc: freebsd-performance@freebsd.org, freebsd-stable@freebsd.org, Oliver Lehmann <lehmann@ans-netz.de> Subject: Re: SATA is to slow comparing with linux Message-ID: <200909301318.n8UDImSr014557@lava.sentex.ca> In-Reply-To: <20090930141036.0000184b@unknown> References: <20090930060202.45527.qmail@avocado.salatschuessel.net> <200909301646.35019.doconnor@gsoft.com.au> <20090930075357.49914.qmail@avocado.salatschuessel.net> <1254304611.2268.962.camel@balrog.2hip.net> <20090930141036.0000184b@unknown>
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At 09:10 AM 9/30/2009, Bruce Cran wrote:
>I ran the tiobench test on -CURRENT a few days ago and the ahci driver
>showed an improvement in latency over the ata driver; I didn't
>test transfer rates though.
I was running the AHCI driver on the freebsd-current tinderbox for 3
weeks with very good results. I had to recently change back to the
ata code as smartmontools are not (yet) supported and one of the
drives started to throw errors. Other than that, I found it to be the
same speed or faster (depending on the workload). This was on a
Phenom 9950 Processor and ATI IXP700/800 SATA300 chipset on AMD64, 8G of RAM.
---Mike
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Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
Providing Internet since 1994 www.sentex.net
Cambridge, Ontario Canada www.sentex.net/mike
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