Date: Sat, 23 Mar 1996 16:59:10 -0500 (EST) From: "John S. Dyson" <toor@dyson.iquest.net> To: hackers@freebsd.org Cc: davidg@root.com Subject: Interesting IDE perf results Message-ID: <199603232159.QAA00249@dyson.iquest.net>
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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
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