Question:
Is it possible to have two or more linux host processes that can access the same device memory? I have two processes streaming high data rate between them and I don't want to bring the data back out of the GPU to the host in process A just to pass it to process B who will memcpy h2d back into the GPU.
Combining the multiple processes into a single process is not an option.
Solution:1
My understanding of the CUDA APIs is that this cannot be done. The device pointers are relative to a given CUDA context, and there's no way to share those between processes.
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