Date: Sun, 19 Mar 1995 20:56:58 +0100 From: "Christoph P. Kukulies" <kuku@gilberto.physik.rwth-aachen.de> To: freebsd-current@freefall.cdrom.com Subject: -current disk performance better Message-ID: <199503191956.UAA29420@gilberto.physik.rwth-aachen.de>
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Here are two data points from kernels before and after the 'big slow down':
before:
Writing the 25 Megabyte file, 'iozone.tmp'...11.398438 seconds
Reading the file...9.406250 seconds
IOZONE performance measurements:
2299823 bytes/second for writing the file
2786912 bytes/second for reading the file
jazz: {127}
jazz: {127} uname -a
FreeBSD jazz 2.1.0-Development FreeBSD 2.1.0-Development #1: Mon Mar 6
18:06:23 MET 1995 root@jazz:/usr/src/sys/compile/JAZZ i386
jazz: {128}
after:
Writing the 25 Megabyte file, 'iozone.tmp'...11.140625 seconds
Reading the file...8.914062 seconds
IOZONE performance measurements:
2353045 bytes/second for writing the file
2940791 bytes/second for reading the file
jazz: {3}
FreeBSD jazz 2.1.0-Development FreeBSD 2.1.0-Development #0: Sun Mar 19
20:46:29 MET 1995 kuku@jazz:/usr/src/sys/compile/JAZZGUS i386
DX4/100 and ASUS SP3G board.
--Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de
FreeBSD blues 2.1.0-Development FreeBSD 2.1.0-Development #0: Sun Mar 19
17:20:44 1995 root@blues:/usr/src/sys/compile/BLUESGUS i386
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