From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.gentoo.org ([140.105.134.102] helo=robin.gentoo.org) by nuthatch.gentoo.org with esmtp (Exim 4.62) (envelope-from ) id 1GopQJ-0008OV-57 for garchives@archives.gentoo.org; Mon, 27 Nov 2006 22:58:03 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.8/8.13.8) with SMTP id kARMsYim010510; Mon, 27 Nov 2006 22:54:34 GMT Received: from smtp5.clear.net.nz (smtp5.clear.net.nz [203.97.33.68]) by robin.gentoo.org (8.13.8/8.13.8) with ESMTP id kARMqMXe011129 for ; Mon, 27 Nov 2006 22:52:23 GMT Received: from [192.168.1.11] (218-101-28-54.dsl.clear.net.nz [218.101.28.54]) by smtp5.clear.net.nz (CLEAR Net Mail) with ESMTP id <0J9E00AN1VIV2420@smtp5.clear.net.nz> for gentoo-user@lists.gentoo.org; Tue, 28 Nov 2006 11:52:08 +1300 (NZDT) Date: Tue, 28 Nov 2006 11:51:55 +1300 From: Mark Kirkwood Subject: Re: [gentoo-user] Hard Disk going a lot slower now... In-reply-to: <456B685B.5060005@sin.khk.be> To: gentoo-user@lists.gentoo.org Message-id: <456B6C0B.9030400@paradise.net.nz> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit References: <4569A5ED.5000301@comcast.net> <7573e9640611261143k3c7eeb47s6f913762bc57c84d@mail.gmail.com> <456A499B.4060108@comcast.net> <7573e9640611270901t1c347c2xd6eaaf6360392bd7@mail.gmail.com> <456B65E8.1010604@comcast.net> <456B685B.5060005@sin.khk.be> User-Agent: Thunderbird 1.5.0.7 (X11/20061101) X-Archives-Salt: bc677c2b-22ab-493f-95f4-abd034dcd105 X-Archives-Hash: 7eaf0fa02b761028b3ec5696d12b2ec2 Ken Gypen wrote: > >> I would assume that the two benchmark programs I am using to measure the >> drive performance under windows go through windows, and thus the NTFS >> interface. They are Dr. Hardware and FreshDiagnose. The second one >> showed a write speed as quoted above, and a read speed of about 280 MB >> per second... Though the same one reported a read speed of about 900+ >> MB per second for my USB drive (not really possible, since the maximum >> speed for USB 2.0 is about 480 MB / second). > Hi Chris, > > A more realistic speed for a HD is about 60-90MB/second... It's hardware > limited. So your values are quite off, regardless of the OS and the > filesystem. > > Yeah - when doing this sort of thing ensure you are using files at least 2x(size of RAM) - otherwise you can end up just measuring memory access speed. Cheers Mark -- gentoo-user@gentoo.org mailing list