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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [UVD] vdpau has terrible performance on radeonsi (HD 7950)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=74335#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [UVD] vdpau has terrible performance on radeonsi (HD 7950)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=74335">bug 74335</a>
from <span class="vcard"><a class="email" href="mailto:adf.lists@gmail.com" title="Andy Furniss <adf.lists@gmail.com>"> <span class="fn">Andy Furniss</span></a>
</span></b>
<pre>That looks normal, I have that sample and it's 1444 frames / 60Hz = 24 seconds.
You can't really turn off vsync for vdpau and mplayer doesn't do gl interop.
Cpu times can mislead if cpufreq on_demand is in use as you don't know what
freq the cores are in.
UVD/powerplay is tuned for playback (at least on recent GPUs) if using with eg.
ffmpeg you can get more perf by forcing GPU clocks to high.</pre>
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