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[Question]: Does the multi-gpu environment support creating different screens on different gpus? #338

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PIGzyj233 opened this issue Apr 3, 2025 · 1 comment
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@PIGzyj233
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What is your question?

Dear author, I would like to ask a question about multi-gpu environment. I hope to bind two virtual screens to two different gpus respectively. Can the existing program do it? Does the IDD interface provided by Microsoft support it?

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@PIGzyj233 PIGzyj233 added the question Further information is requested label Apr 3, 2025
@zjoasan
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zjoasan commented Apr 3, 2025

As far as i know, iddcx doesn't by default. Theoretically it might be possible but I doubt you get any performance out of it. Cycling multiple swapchains in order to display on different VD. Thinking about it, compiling X number of versions of MttVDD, with unique GUIs for the adapter and display, limiting each adapter to one VD might be the best current solution. But still this would impact performance quite a bit.

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