linux-kernel - Re: solid state drive access and context switching

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Message-ID: <20071204203536.2bf6d025@the-village.bc.nu>
Date:	Tue, 4 Dec 2007 20:35:36 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"Jared Hulbert" <jaredeh@...il.com>
Cc:	"Chris Friesen" <cfriesen@...tel.com>, linux-kernel@...r.kernel.org
Subject: Re: solid state drive access and context switching

> microseconds level and an order of magnitude higher bandwidth than
> SATA.  Is that fast enough to warrant this more synchronous IO?

See the mtd layer.

> BTW - This trend toward faster, lower latency busses is marching
> forward.  2 examples; the ioDrive from Fusion IO, Micron's RAM-module
> like SSD concept.

Very much so but we can do quite a bit in 10,000 processor cycles ...

Alan
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