From owner-cvs-src Tue Feb 25 21: 0:39 2003 Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8E83937B401; Tue, 25 Feb 2003 21:00:37 -0800 (PST) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 23CC443F3F; Tue, 25 Feb 2003 21:00:37 -0800 (PST) (envelope-from bright@elvis.mu.org) Received: by elvis.mu.org (Postfix, from userid 1192) id ED14FAE03F; Tue, 25 Feb 2003 21:00:36 -0800 (PST) Date: Tue, 25 Feb 2003 21:00:36 -0800 From: Alfred Perlstein To: Scott Long Cc: Daniel O'Connor , Scott Long , src-committers@freebsd.org, cvs-src@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/dev/aac aac.c aac_cam.c aac_disk.c aacvar.h Message-ID: <20030226050036.GB54350@elvis.mu.org> References: <200302260446.h1Q4kLO6042833@repoman.freebsd.org> <1046234946.45422.98.camel@chowder.gsoft.com.au> <3E5C4821.9070501@btc.adaptec.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3E5C4821.9070501@btc.adaptec.com> User-Agent: Mutt/1.4i Sender: owner-cvs-src@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG * Scott Long [030225 20:53] wrote: > Daniel O'Connor wrote: > >On Wed, 2003-02-26 at 15:16, Scott Long wrote: > > > >> - the mutex aac_io_lock protects the main codepaths which handle queues > >> and > >> > >> This gives about 20% improvement in most of my benchmarks. > > > > > >Are the tests on an SMP machine? > > > > Yes. UP probably won't see much of a difference. Don't sell yourself short, there should be improvements in latency. -- -Alfred Perlstein [alfred@freebsd.org] To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-src" in the body of the message