Date: Wed, 16 Dec 2009 14:14:06 +0100 From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no> To: Wes Peters <barnaclewes@gmail.com> Cc: Alexander Motin <mav@freebsd.org>, freebsd-current@freebsd.org, Norikatsu Shigemura <nork@freebsd.org> Subject: Re: How do I use NCQ of Intel X25-E(SSD) on ahci(4)? Message-ID: <86zl5jjc2p.fsf@ds4.des.no> In-Reply-To: <f83770800912150136u1fbabd2ak7b0cd15f85c0099f@mail.gmail.com> (Wes Peters's message of "Tue, 15 Dec 2009 01:36:27 -0800") References: <20091119004651.7432a6e4.nork@FreeBSD.org> <f83770800912150136u1fbabd2ak7b0cd15f85c0099f@mail.gmail.com>
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Wes Peters <barnaclewes@gmail.com> writes: > How useful is NCQ on an SSD? *extremely* useful. The X25 is old (as SSDs go), yet it still blows the competition out of the water on real-world (non-sequential) workloads, precisely because it supports NCQ and most of its competitors don't. DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no
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