From owner-freebsd-current@FreeBSD.ORG Sat Jan 6 10:55:27 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from localhost.my.domain (localhost [127.0.0.1]) by hub.freebsd.org (Postfix) with ESMTP id CFDE416A407; Sat, 6 Jan 2007 10:55:23 +0000 (UTC) (envelope-from davidxu@freebsd.org) From: David Xu To: freebsd-current@freebsd.org Date: Sat, 6 Jan 2007 18:55:16 +0800 User-Agent: KMail/1.8.2 References: <20070104005625.D1508@10.0.0.1> <459DB871.1050109@freebsd.org> <20070105154450.Y586@10.0.0.1> In-Reply-To: <20070105154450.Y586@10.0.0.1> MIME-Version: 1.0 Content-Disposition: inline Message-Id: <200701061855.17104.davidxu@freebsd.org> Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: Jeff Roberson , current@freebsd.org, Kip Macy Subject: Re: ULE 2.0 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 06 Jan 2007 10:55:27 -0000 On Saturday 06 January 2007 07:46, Jeff Roberson wrote: > On Fri, 5 Jan 2007, David Xu wrote: > >> Anyway, thanks for the pointer Xu. I may hack this up and compare it to > >> ULE's current balancing. > > > > Yesterday, I have tested super-smack benchmark on 2-cpu machine, ULE > > decreased performance about 40%, this might be a regression though. > > I just fixed a regression in the load balancer. On my 8way opteron ULE is > now 22% faster than 4BSD for select-key.smack with 32 threads. This is > for both KSE and libthr. libthr is of course significantly faster > overall. I believe I can improve this even more by borrowing some tricks > from solaris. > > Jeff I have tried it, but my dual-core Athlon X2 3800+ is locked up under stress testing. David Xu