Date: Sun, 26 Oct 2014 16:42:39 +0100 From: Tijl Coosemans <tijl@FreeBSD.org> To: x11@FreeBSD.org Subject: Re: [rfc] Radeon AGP support patches Message-ID: <20141026164239.4f5d5d6f@kalimero.tijl.coosemans.org> In-Reply-To: <20141026162442.1330d4c3@kalimero.tijl.coosemans.org> References: <20141026162442.1330d4c3@kalimero.tijl.coosemans.org>
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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
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