At 6:49 Uhr +0200 02.10.1997, Allen Briggs wrote:
>OK...  I'm looking for Quadra folks to test out a kernel that should do
>faster SCSI for everyone but the folks with AV macs.  Specifically, I
>think that this will work now on the 610/605/LC475/800.  It works on the
>Centris 650 and should work on the Quadra as well.  I am quite curious
>as to whether it will work on the C/Q630 or other 040-based macs that
>use the esp driver.  I would also appreciate it if a couple of Q700
>owners could test it, too, since my Q700 is out of commission until
>the new power supply comes in.
>
>The kernel is:
>	ftp://ftp.macbsd.com/pub/outgoing/briggs/netbsd-971002.gz
>

Hi Allen,

here's some output from 'iozone auto' run in single user:


Your 971002 'quick esp' kernel:

	IOZONE: Performance Test of Sequential File I/O  --  V2.01 (10/21/94)
		By Bill Norcott

	Operating System: POSIX 1003.1-1990

IOZONE: auto-test mode

	MB      reclen  bytes/sec written   bytes/sec read
	1       512     1059167             989222
	1       1024    1476867             1476867
	1       2048    1664406             1718977
	1       4096    1664406             1807889
	1       8192    1872457             1613193
	2       512     1205259             1508742
	2       1024    1456355             1691251
	2       2048    1638399             1792437
	2       4096    1872457             1823610
	2       8192    1807889             1823610
	4       512     1121471             1576806
	4       1024    1416994             1769748
	4       2048    1594792             1880853
	4       4096    1657827             1915207
	4       8192    1847711             1872457
	8       512     1181494             1610097
	8       1024    1433950             1781020
	8       2048    1600879             1876646
	8       4096    1736771             2006844
	8       8192    1880853             1932858
	16      512     1201806             1600879
	16      1024    1418192             1792437
	16      2048    1600879             1906501
	16      4096    1669374             1978445
	16      8192    1853836             1923992
Completed series of tests


A custom 1.2F-based kernel built around 01 Jun 97:

	IOZONE: Performance Test of Sequential File I/O  --  V2.01 (10/21/94)
		By Bill Norcott

	Operating System: POSIX 1003.1-1990

IOZONE: auto-test mode

	MB      reclen  bytes/sec written   bytes/sec read
	1       512     1205259             1219274
	1       1024    1416994             1248304
	1       2048    1519675             1398101
	1       4096    1691251             1456355
	1       8192    1747626             1344328
	2       512     1240918             1388842
	2       1024    1476867             1588751
	2       2048    1576806             1823610
	2       4096    1677721             1792437
	2       8192    1792437             1823610
	4       512     1230001             1492634
	4       1024    1431503             1762312
	4       2048    1565038             1831573
	4       4096    1644825             1855886
	4       8192    1855886             1959955
	8       512     1224614             1562124
	8       1024    1448809             1743993
	8       2048    1591766             1796275
	8       4096    1661110             1950839
	8       8192    1847711             1897875
	16      512     1241836             1559220
	16      1024    1421797             1753105
	16      2048    1575325             1900024
	16      4096    1661110             1932858
	16      8192    1804001             1966848
Completed series of tests

-- I was fiddling around with some esoteric video card and thought I'd give
the kernel a try.

Not sure about the gain, though... (Q700/33MHz, 20MB/1G QUantum Empire)

	hauke


--
"It's never straight up and down"     (DEVO)