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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Vulkan apps run on secondary GPU on multi-GPU system"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106187#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Vulkan apps run on secondary GPU on multi-GPU system"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106187">bug 106187</a>
from <span class="vcard"><a class="email" href="mailto:ckoenig.leichtzumerken@gmail.com" title="Christian König <ckoenig.leichtzumerken@gmail.com>"> <span class="fn">Christian König</span></a>
</span></b>
<pre>Just some technical feedback.
(In reply to Bas Nieuwenhuizen from <a href="show_bug.cgi?id=106187#c9">comment #9</a>)
<span class="quote">> 1) Running on a GPU that is not connected to the display is slower. Arguably
> we should be able to optimize this a bit, especially if the two cards are
> identical, but there is always some extra bus traffic that is going to
> happen (and not sure if card B can directly scanout from memory in card A).</span >
At least with dedicated AMD GPUs that isn't possible, but for APUs we recently
enabled scanout from system memory.</pre>
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