From owner-freebsd-stable@FreeBSD.ORG Wed Nov 17 01:46:39 2010 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7240A106566C for ; Wed, 17 Nov 2010 01:46:39 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost1.sentex.ca (smarthost1-6.sentex.ca [IPv6:2607:f3e0:0:1::12]) by mx1.freebsd.org (Postfix) with ESMTP id 290078FC0C for ; Wed, 17 Nov 2010 01:46:39 +0000 (UTC) Received: from [IPv6:2607:f3e0:0:4:808a:bf97:8eb:f23b] ([IPv6:2607:f3e0:0:4:808a:bf97:8eb:f23b]) by smarthost1.sentex.ca (8.14.4/8.14.4) with ESMTP id oAH1kTDN075220 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Tue, 16 Nov 2010 20:46:29 -0500 (EST) (envelope-from mike@sentex.net) Message-ID: <4CE333EF.10406@sentex.net> Date: Tue, 16 Nov 2010 20:46:23 -0500 From: Mike Tancsa User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.12) Gecko/20101027 Thunderbird/3.1.6 MIME-Version: 1.0 To: Kostik Belousov References: <20101115211350.GE2392@deviant.kiev.zoral.com.ua> <4CE1FDBA.9030403@sentex.net> <20101116094330.GH2392@deviant.kiev.zoral.com.ua> <4CE300DE.8010304@sentex.net> <20101116221926.GN2392@deviant.kiev.zoral.com.ua> In-Reply-To: <20101116221926.GN2392@deviant.kiev.zoral.com.ua> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.67 on IPv6:2607:f3e0:0:1::12 Cc: stable@freebsd.org Subject: Re: Call for testers: FPU changes X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Nov 2010 01:46:39 -0000 On 11/16/2010 5:19 PM, Kostik Belousov wrote: > Would your conclusion be that the patch seems to increase the throughput > of the aesni(4) ? > > I think that on small-sized blocks, when using aesni(4), the dominating > factor is the copying/copyout of the data to/from the kernel address > space. Still would be interesting to compare the full output > of "openssl speed" on aesni(4) with and without the patch I posted. Hi, There does seem to be some improvement on large blocks. But there are some freakishly fast times. On other sizes, there is no difference in speed it would seem I did 20 runs. Updated stats at http://www.tancsa.com/fpu.html ---Mike