Date: Sun, 26 Oct 2014 12:02:23 -0500 From: "William A. Mahaffey III" <wam@hiwaay.net> To: x11@freebsd.org Subject: Re: [rfc] Radeon AGP support patches Message-ID: <544D291F.6020604@hiwaay.net> In-Reply-To: <20141026164239.4f5d5d6f@kalimero.tijl.coosemans.org> References: <20141026162442.1330d4c3@kalimero.tijl.coosemans.org> <20141026164239.4f5d5d6f@kalimero.tijl.coosemans.org>
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On 10/26/14 10:42, Tijl Coosemans wrote: > On Sun, 26 Oct 2014 16:24:42 +0100 Tijl Coosemans <tijl@FreeBSD.org> 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.
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