Date: Mon, 10 Nov 1997 16:17:52 -0500 (EST) From: "John S. Dyson" <dyson@dyson.iquest.net> To: chris@netmonger.net (Christopher Masto) Cc: freebsd-chat@FreeBSD.ORG Subject: Re: IDE performance - benchmark numbers Message-ID: <199711102117.QAA00391@dyson.iquest.net> In-Reply-To: <646co4$n3l$1@schenectady.netmonger.net> from Christopher Masto at "Nov 10, 97 07:22:44 am"
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Christopher Masto said: > > I don't have an apples-to-apples comparison, though.. the closest is > a P166 with the same amount of RAM (32MB) and an Adaptec 2940UW: > > Writing the 64 Megabyte file, 'iozone.tmp'...8.453125 seconds > Reading the file...7.070312 seconds > IOZONE performance measurements: > 7938941 bytes/second for writing the file > 9491640 bytes/second for reading the file > Ultra-DMA results with WD 5.1: IOZONE: Performance Test of Sequential File I/O -- V2.01 (10/21/94) By Bill Norcott Operating System: FreeBSD 2.x -- using fsync() Send comments to: b_norcott@xway.com IOZONE writes a 150 Megabyte sequential file consisting of 19200 records which are each 8192 bytes in length. It then reads the file. It prints the bytes-per-second rate at which the computer can read and write files. Writing the 150 Megabyte file, 'iozone.tmp'...15.984375 seconds Reading the file...15.039062 seconds IOZONE performance measurements: 9840009 bytes/second for writing the file 10458524 bytes/second for reading the file -- John dyson@freebsd.org jdyson@nc.com
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