From owner-freebsd-hackers Thu May 29 21:24:59 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id VAA27939 for hackers-outgoing; Thu, 29 May 1997 21:24:59 -0700 (PDT) Received: from argus.nuke.net (pm3-p18.tfs.net [206.154.183.210]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id VAA27934 for ; Thu, 29 May 1997 21:24:56 -0700 (PDT) Received: (from jbryant@localhost) by argus.nuke.net (8.8.5/8.8.5) id XAA01480 for freebsd-hackers@freebsd.org; Thu, 29 May 1997 23:24:52 -0500 (CDT) From: Jim Bryant Message-Id: <199705300424.XAA01480@argus.nuke.net> Subject: ahc0 To: freebsd-hackers@freebsd.org Date: Thu, 29 May 1997 23:24:16 -0500 (CDT) Reply-To: jbryant@tfs.net X-Mailer: ELM [version 2.4 PL24] Content-Type: text Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk just another observation... iozone shows drastic reductions in throughput on a SCSI-2 2G barracuda... i was getting approximately 5.5-6.5 M/S on both read and write under 2.1-R... now i get approximately 2.5 M/S write and 4.5-5.5 M/S read... options AHC_TAGENABLE # experimental is the 2.1-R config and gives the above results... options AHC_ALLOW_MEMIO seems to give no improvement... currently running 2.2.2-R jim -- All opinions expressed are mine, if you | "I will not be pushed, stamped, think otherwise, then go jump into turbid | briefed, debriefed, indexed, or radioactive waters and yell WAHOO !!! | numbered!" - #1, "The Prisoner" jbryant@tfs.net - KC5VDJ 2M, 70cm, KPC-3+ - kc5vdj@wv0t.#neks.ks.usa.noam