Date: Thu, 21 May 1998 11:34:26 +0200 (MET DST) From: Guido Kollerie <gkoller@cs.vu.nl> To: freebsd-scsi@FreeBSD.ORG Subject: CAM performance on -stable Message-ID: <Pine.SOL.3.96.980521111937.10781A-100000@keg.cs.vu.nl>
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To get an indication of the perfomance of CAM I have performed three make -j4 buildworld's. Once with the non-CAM kernel and twice with the CAM kernel. /usr was mounted async,noatime and I used -O -pipe -DCAM_OLD_TIMEOUT for CFLAGS, NOPROFILE was true To my surprise all the three buildworld times were nearly identical (3hr 9min +/- 1min). I had expected the CAM kernel to perform much better as it allows my BT-958 to use Command Tagged Queueing were as the non-CAM kernel did not. Has anyone else found similar results on a -stable system? -- Guido Kollerie To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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