From owner-freebsd-hackers Sat Mar 23 13:59:47 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id NAA14701 for hackers-outgoing; Sat, 23 Mar 1996 13:59:47 -0800 (PST) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id NAA14691 for ; Sat, 23 Mar 1996 13:59:43 -0800 (PST) Received: (from root@localhost) by dyson.iquest.net (8.6.11/8.6.9) id QAA00249; Sat, 23 Mar 1996 16:59:10 -0500 From: "John S. Dyson" Message-Id: <199603232159.QAA00249@dyson.iquest.net> Subject: Interesting IDE perf results To: hackers@freebsd.org Date: Sat, 23 Mar 1996 16:59:10 -0500 (EST) Cc: davidg@root.com Reply-To: dyson@freebsd.org X-Mailer: ELM [version 2.4 PL24 ME8] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk I agree that SCSI is generally better for high-end solutions, but I was somewhat pleasantly suprised to see these results with a 1.6GB WD Caviar IDE drive... File './Bonnie.200', size: 20971520 Seeker 1...Seeker 2...Seeker 3...start 'em...done...done...done... -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 20 3721 70.0 5394 22.4 5964 32.4 6625 99.4 33438 99.9 972.1 26.0 File './Bonnie.206', size: 41943040 Seeker 1...Seeker 2...Seeker 3...start 'em...done...done...done... -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 40 3858 72.3 5586 23.4 2224 11.6 4901 71.9 5725 17.3 259.6 10.0 File './Bonnie.212', size: 104857600 Seeker 1...Seeker 2...Seeker 3...start 'em...done...done...done... -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 100 3837 70.6 5260 24.7 1782 9.6 4600 68.1 5482 17.4 92.7 3.8 John dyson@freebsd.org