From owner-freebsd-ppc@FreeBSD.ORG Tue Feb 24 23:20:03 2015 Return-Path: Delivered-To: freebsd-ppc@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id CA30D2E3 for ; Tue, 24 Feb 2015 23:20:03 +0000 (UTC) Received: from c.mail.sonic.net (c.mail.sonic.net [64.142.111.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id AF98BA8F for ; Tue, 24 Feb 2015 23:20:03 +0000 (UTC) Received: from aurora.physics.berkeley.edu (aurora.Physics.Berkeley.EDU [128.32.117.67]) (authenticated bits=0) by c.mail.sonic.net (8.15.1/8.15.1) with ESMTPSA id t1ONJkT2008425 (version=TLSv1.2 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 24 Feb 2015 15:19:47 -0800 Message-ID: <54ED0712.9050900@freebsd.org> Date: Tue, 24 Feb 2015 15:19:46 -0800 From: Nathan Whitehorn User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: Andreas Tobler , FreeBSD PowerPC ML Subject: Re: New 64-bit pmap References: <54E948D3.2050201@freebsd.org> <54EB9828.5070104@fgznet.ch> In-Reply-To: <54EB9828.5070104@fgznet.ch> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Sonic-CAuth: UmFuZG9tSVaISvgFiGuxSbbJvKXK8LgfRvjgoftGiWpWJp2SLDNOlyU0tCioYg5is1E8XjUhHH2InO9rqafAxh+QNGEzIchumv95PjDlTCU= X-Sonic-ID: C;xjxin3u85BG/tO8Jj30JFw== M;cNWcn3u85BG/tO8Jj30JFw== X-Spam-Flag: No X-Sonic-Spam-Details: 0.0/5.0 by cerberusd X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Feb 2015 23:20:03 -0000 On 02/23/15 13:14, Andreas Tobler wrote: > On 22.02.15 04:11, Nathan Whitehorn wrote: >> I wrote a new memory management implementation for 64-bit PPC systems >> last week to get greater concurrency on big SMP systems. On a 32-thread >> POWER8 system, this results in a factor of two speedup in buildworld >> time. Smaller systems should see little change. >> >> Since this is a nearly ground-up rewrite of the pmap layer, I'd >> appreciate any testing before pushing the code into HEAD. The patch is >> at http://people.freebsd.org/~nwhitehorn/ppc64-new-pmap.diff. > > For the record. > > Tested on: > - G5 QUAD -> stable. > - POWER5+ -> stable. > - G5 DUAL 32-bit -> stable. > > The test contained buildworld hammering and gcc bootstrapping. > > Thanks Nathan for your work! > > Andreas Thanks! This is committed to HEAD now. Please post to the list if you run into any difficulties. -Nathan