Subject: Quadra SCSI performance
To: Hauke Fath <hauke@Espresso.Rhein-Neckar.DE>
From: Allen Briggs <briggs@wasabisystems.com>
List: port-mac68k
Date: 12/16/2000 22:25:48
> 1.5 has quite a SCSI performance problem on Quadra class machines. "bonnie"
> shows less than half the 1.4.1 performance for 1.5 on my Quadra 700.
The patch that I sent earlier will help some. On my Q950, I see:
-------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
Pre-patch 10 299 98.4 413 99.0 226 97.8 329 98.0 446 97.3 40.8 67.9
w/ patch 10 347 97.4 514 98.3 282 98.8 386 98.4 565 98.9 44.1 68.0
So there's clearly something else going on, too. I'll try to poke
around some more...
-allen
--
Allen Briggs briggs@wasabisystems.com
http://www.wasabisystems.com/ Quality NetBSD CDs, Sales, Support, Service