Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754855AbXLDUqp (ORCPT ); Tue, 4 Dec 2007 15:46:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753989AbXLDUqe (ORCPT ); Tue, 4 Dec 2007 15:46:34 -0500 Received: from zrtps0kp.nortel.com ([47.140.192.56]:56798 "EHLO zrtps0kp.nortel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751493AbXLDUqe (ORCPT ); Tue, 4 Dec 2007 15:46:34 -0500 Message-ID: <4755BC97.7050607@nortel.com> Date: Tue, 04 Dec 2007 14:46:15 -0600 From: "Chris Friesen" User-Agent: Mozilla Thunderbird 1.0.2-6 (X11/20050513) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Jared Hulbert CC: Alan Cox , linux-kernel@vger.kernel.org Subject: Re: solid state drive access and context switching References: <47548BF4.3010907@nortel.com> <20071203230629.725f4c7a@the-village.bc.nu> <6934efce0712040954v74cf0b4bk19b49988bc828233@mail.gmail.com> In-Reply-To: <6934efce0712040954v74cf0b4bk19b49988bc828233@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 04 Dec 2007 20:46:18.0608 (UTC) FILETIME=[B86BCF00:01C836B6] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 660 Lines: 18 Jared Hulbert wrote: > Magnetic drives have latencies ~10 milliseconds, current SSD's are an > order of magnitude better (~1 millisecond), new interfaces and > refinements could theoretically get us down one more (~100 > microsecond). They've already done already better than that. Here's a solid state drive with a claimed 20 microsecond access time: http://www.curtisssd.com/products/drives/hyperxclr Chris -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/