From owner-freebsd-x11@FreeBSD.ORG Sun Oct 26 16:56:10 2014 Return-Path: Delivered-To: x11@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 B812E137 for ; Sun, 26 Oct 2014 16:56:10 +0000 (UTC) Received: from fly.hiwaay.net (fly.hiwaay.net [216.180.54.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 8405FC5E for ; Sun, 26 Oct 2014 16:56:10 +0000 (UTC) Received: from kabini1.local (rbn1-216-180-19-53.adsl.hiwaay.net [216.180.19.53]) (authenticated bits=0) by fly.hiwaay.net (8.13.8/8.13.8/fly) with ESMTP id s9QGu8A5021120 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Sun, 26 Oct 2014 11:56:09 -0500 Message-ID: <544D291F.6020604@hiwaay.net> Date: Sun, 26 Oct 2014 12:02:23 -0500 From: "William A. Mahaffey III" User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: x11@freebsd.org Subject: Re: [rfc] Radeon AGP support patches References: <20141026162442.1330d4c3@kalimero.tijl.coosemans.org> <20141026164239.4f5d5d6f@kalimero.tijl.coosemans.org> In-Reply-To: <20141026164239.4f5d5d6f@kalimero.tijl.coosemans.org> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-x11@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: X11 on FreeBSD -- maintaining and support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 26 Oct 2014 16:56:10 -0000 On 10/26/14 10:42, Tijl Coosemans wrote: > On Sun, 26 Oct 2014 16:24:42 +0100 Tijl Coosemans wrote: >> I worked on AGP support for Radeon cards this week. > Results from the small benchmark test built into the driver: > > RV350 in PCI mode: > dma 1024 bo moves of 1024 kB from 2 to 4 in 13419 ms, throughput: 624 Mb/s or 78 MB/s > blit 1024 bo moves of 1024 kB from 2 to 4 in 22959 ms, throughput: 360 Mb/s or 45 MB/s > dma 1024 bo moves of 1024 kB from 4 to 2 in 4289 ms, throughput: 1952 Mb/s or 244 MB/s > blit 1024 bo moves of 1024 kB from 4 to 2 in 8020 ms, throughput: 1040 Mb/s or 130 MB/s > > RV350 in AGP mode: > dma 1024 bo moves of 1024 kB from 2 to 4 in 3100 ms, throughput: 2704 Mb/s or 338 MB/s > blit 1024 bo moves of 1024 kB from 2 to 4 in 1236 ms, throughput: 6784 Mb/s or 848 MB/s > dma 1024 bo moves of 1024 kB from 4 to 2 in 2535 ms, throughput: 3304 Mb/s or 413 MB/s > blit 1024 bo moves of 1024 kB from 4 to 2 in 2537 ms, throughput: 3304 Mb/s or 413 MB/s > _______________________________________________ > freebsd-x11@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-x11 > To unsubscribe, send any mail to "freebsd-x11-unsubscribe@freebsd.org" > *Caution:* idiot question: Is this code for AGP gfx cards ? I thought AGP cards/slots were pretty much dead & buried .... Does this same code get used in/with newer gfx cards/GPU's ? Just askin' .... *Very* nice performance pickup if so. TIA & Thx for the ongoing work :-). -- William A. Mahaffey III ---------------------------------------------------------------------- "The M1 Garand is without doubt the finest implement of war ever devised by man." -- Gen. George S. Patton Jr.