Date: Sun, 14 Mar 1999 20:19:46 +0100 From: J Wunsch <j@uriah.heep.sax.de> To: freebsd-scsi@FreeBSD.ORG Subject: Re: cvs commit: src/sys/cam cam_xpt.c Message-ID: <19990314201946.00024@uriah.heep.sax.de> In-Reply-To: <199903141441.PAA71438@qix>; from Jean-Marc Zucconi on Sun, Mar 14, 1999 at 03:41:29PM %2B0100 References: <19990314133528.A4071@keltia.freenix.fr> <199903141441.PAA71438@qix>
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As Jean-Marc Zucconi wrote: > Yes this is very poor for a wide drive. On my narrow DCAS-34330: > Writing the 250 Megabyte file, 'iozone.tmp'...80.351562 seconds > Reading the file...38.601562 seconds > > IOZONE performance measurements: > 3262463 bytes/second for writing the file > 6791020 bytes/second for reading the file I get about 4.4 MB/s writing and 5.8 MB/s reading, with tagged queuing still enabled. I also get better bonnie figures than those mentioned in PR kern/10398, about 4 MB/s `Per Char' and 5 MB/s `Block'. However, as Ken already mentioned, see the audit-trail from PR 10398 for a counterexample. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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