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AMD Radeon Performance Preview On Linux 3.8
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Hmm, I wonder what makes 4770 so special (it has basically only regressed here), and if it is the same when using higher-end R700 cards...
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Originally posted by D0pamine View PostDear santa...
performance isn't that important to me - the games i have run perfectly well
what i'd like to see is my radeonhd 4650 do under/overscan from grub as my tv/monitor sucks balls when it comes to edid although catalyst can compensate from the gui
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Well thankfully, most of the performance regressions seem to be very minor (except with Nexius), and some performances gains are very prominent (when they're there). It does look like something got broke in the HD 5xxx series code though.
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I think I have had a similar bug, but with a different card series... https://bugs.freedesktop.org/show_bug.cgi?id=50655
Anyway, with that bug I had some tests continue even though they had frozen for a time. PTS was able to detect this because the FPS changed, but then I would need to intervene. In most cases it would just run the test many many times and then call it done.
Look in the logs for GPU lockup / soft lockup / lookup for 1000ms etc. This might be a good thing for PTS to autodetect... Because it may be in some of your finished results..
Thanks!
Bryan
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Originally posted by ArticleWhile the a-synchronous DMA engine support is there on the kernel side, for exploiting its full capabilities is also user-space support that has yet to be integrated into the mainline repositories.
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Random note: Xonotic was run with Low settings here, and produced no change. Xonotic on my machine with Ultimate settings tripled its framerate.
Also, what's up with that 6570? Seems like someone broke something, the question is where...Last edited by Veerappan; 14 December 2012, 01:56 PM.
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Dear santa...
performance isn't that important to me - the games i have run perfectly well
what i'd like to see is my radeonhd 4650 do under/overscan from grub as my tv/monitor sucks balls when it comes to edid although catalyst can compensate from the gui
Leave a comment:
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AMD Radeon Performance Preview On Linux 3.8
Phoronix: AMD Radeon Performance Preview On Linux 3.8
With word this week that there's some performance improvements for the open-source Radeon Linux graphics driver to be found with the Linux 3.8 kernel as a result of the a-synchronous DMA engine support, some very early benchmarks of the "drm-next" code were done from five different AMD Radeon graphics cards. In extreme cases, the open-source graphics driver can deliver 10x higher OpenGL frame-rates with the experimental kernel.
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