From owner-freebsd-hardware Fri Aug 23 16:35:02 1996 Return-Path: owner-hardware Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id QAA24562 for hardware-outgoing; Fri, 23 Aug 1996 16:35:02 -0700 (PDT) Received: from salsa.gv.ssi1.com (salsa.gv.ssi1.com [146.252.44.194]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id QAA24536 for ; Fri, 23 Aug 1996 16:34:55 -0700 (PDT) Received: (from gdonl@localhost) by salsa.gv.ssi1.com (8.7.5/8.7.3) id QAA13220; Fri, 23 Aug 1996 16:33:09 -0700 (PDT) From: Don Lewis Message-Id: <199608232333.QAA13220@salsa.gv.ssi1.com> Date: Fri, 23 Aug 1996 16:33:09 -0700 In-Reply-To: "Justin T. Gibbs" "Re: SCSI again: Asus SC200 vs. Adaptec 2940" (Aug 23, 3:44pm) X-Mailer: Mail User's Shell (7.2.6 alpha(3) 7/19/95) To: "Justin T. Gibbs" Subject: Re: SCSI again: Asus SC200 vs. Adaptec 2940 Cc: freebsd-hardware@freebsd.org Sender: owner-hardware@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Aug 23, 3:44pm, "Justin T. Gibbs" wrote: } Subject: Re: SCSI again: Asus SC200 vs. Adaptec 2940 } I've also implemented bowrite which } converts sync writes to ordered async writes giving around a 10% } improvement on some of the ad-hoc benchmarks I've tried. Its not as fast } as mounting async (that does delayed writes), but I'll take a safe 10% } improvement any day. This isn't really hardware related, but I think the "soft updates" stuff mentioned in http://www.pdos.lcs.mit.edu/~ganger/papers/CSE-TR-254-95/CSE-TR-254-95.ps.Z would be quite nice to have. I just looked in the papers directory and a number of the other titles appear quite interesting. --- Truck