Return-Path: Received: from gateway01.websitewelcome.com ([67.18.62.19] verified) by media-motion.tv (CommuniGate Pro SMTP 4.2.10) with ESMTP id 4704477 for AE-List@media-motion.tv; Thu, 03 May 2012 18:24:27 +0200 Received: by gateway01.websitewelcome.com (Postfix, from userid 5007) id DA0AB4F056517; Thu, 3 May 2012 11:25:51 -0500 (CDT) Received: from ham03.websitewelcome.com (ham.websitewelcome.com [173.192.100.229]) by gateway01.websitewelcome.com (Postfix) with ESMTP id CF1884F0564F7 for ; Thu, 3 May 2012 11:25:51 -0500 (CDT) Received: by ham03.websitewelcome.com (Postfix, from userid 666) id AF875DB71870C; Thu, 3 May 2012 11:25:51 -0500 (CDT) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on ham03.websitewelcome.com X-Spam-Flag2999: NO X-Spam-Level2999: X-Spam-Status2999: "No, score=-1.9 required=5.0 tests=BAYES_00,HTML_MESSAGE autolearn=ham version=3.3.1 Received: from alpina.websitewelcome.com (alpina.websitewelcome.com [74.54.176.2]) by ham03.websitewelcome.com (Postfix) with ESMTP id 95977DB7182CE for ; Thu, 3 May 2012 11:25:50 -0500 (CDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=crishdesign.com; h=Received:From:Mime-Version:Content-Type:Subject:Date:In-Reply-To:To:References:Message-Id:X-Mailer:X-BWhitelist:X-Source:X-Source-Args:X-Source-Dir:X-Source-Sender:X-Source-Auth:X-Email-Count:X-Source-Cap; b=FYQKbEdu5gS2ne3gPw5LnjwCUK63BbjOfK1I3wHw8q4fUbBHOBd8Pc52cmL/n3aN9y9O+f9GmhoJTIUPdHeopjmuR9mpWQfQ3HIG6thB9ORsfA/9NQGAeUpEa/I3+Kw3; Received: from [199.21.106.95] (port=49388 helo=[192.168.0.7]) by alpina.websitewelcome.com with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.69) (envelope-from ) id 1SPyqj-0004qS-FM for AE-List@media-motion.tv; Thu, 03 May 2012 11:25:50 -0500 From: Chris Meyer Mime-Version: 1.0 (Apple Message framework v1257) Content-Type: multipart/alternative; boundary="Apple-Mail=_94597279-8257-4F53-9DF1-D93C994DBFD4" Subject: Re: [AE] Thunderbolt and Mac Pro slot speeds Date: Thu, 3 May 2012 10:25:48 -0600 In-Reply-To: To: "After Effects Mail List" References: Message-Id: <69BFEB5D-0CBD-45DB-83A0-EBCCC613E0DF@crishdesign.com> X-Mailer: Apple Mail (2.1257) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - alpina.websitewelcome.com X-AntiAbuse: Original Domain - media-motion.tv X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - crishdesign.com X-BWhitelist: no X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: ([192.168.0.7]) [199.21.106.95]:49388 X-Source-Auth: chris@crishdesign.com X-Email-Count: 3 X-Source-Cap: Y3Jpc2h3ZWI7Y3Jpc2h3ZWI7YWxwaW5hLndlYnNpdGV3ZWxjb21lLmNvbQ== --Apple-Mail=_94597279-8257-4F53-9DF1-D93C994DBFD4 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Two card setups are becoming more common. There is a slight performance = gain, apparently, from unburdening the CUDA card from also doing = display. Power consumption (and the physical number of power connectors = inside a MacPro) are an issue, as is heat. The ATI 5870 HD swamps the = two connectors available in a MacPro; that's another reason to favor = NVIDIA cards for Mac which tend to have one power connector each. On May 3, 2012, at 10:21 AM, Karl Newman wrote: > On May 3, 2012, at 8:36 AM, Dave Bittner wrote: >=20 >> Interested to know what you all think. >=20 > I wonder if it is possible to run both the AMD card and the GTX 470 at = the same time using the AMD for screen draws and Open GL and keeping the = NVidia for the CUDA cores acceleration of Premier Pro and others? Could = the power supply of the MacPro 3.1 handle the load or would it need an = external power supply for one of the GPUs? >=20 >=20 > Karl Newman > Karl Newman Productions >=20 > kwnewman@verizon.net >=20 >=20 >=20 >=20 --Apple-Mail=_94597279-8257-4F53-9DF1-D93C994DBFD4 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Two = card setups are becoming more common. There is a slight performance = gain, apparently, from unburdening the CUDA card from also doing = display. Power consumption (and the physical number of power connectors = inside a MacPro) are an issue, as is heat. The ATI 5870 HD swamps the = two connectors available in a MacPro; that's another reason to favor = NVIDIA cards for Mac which tend to have one power connector = each.


On May 3, 2012, at 10:21 AM, Karl = Newman wrote:

On May 3, = 2012, at 8:36 AM, Dave Bittner wrote:

Interested to = know what you all think.

I wonder if = it is possible to run both the AMD card and the GTX 470 at the same time = using the AMD for screen draws and Open GL and keeping the NVidia for = the CUDA cores acceleration of Premier Pro and others? Could the power = supply of the MacPro 3.1 handle the load or would it need an external = power supply for one of the GPUs?


Karl Newman
Karl Newman = Productions





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