fix --cuda-device arg for AMD/HIP devices #5586
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CUDA_VISIBLE_DEVICES is ignored for HIP devices/backend. Instead it uses HIP_VISIBLE_DEVICES. Setting this environment variable has no side effect for CUDA/NVIDIA so it can safely be set in any case and vice versa.
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as mentioned in #5585 this should solve the problem itself but it needs testing. I currently can't verify myself due to my multi-gpu setup being faulty apparently. However the switch is working as intended after this code change. |
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concerning #5585
CUDA_VISIBLE_DEVICES is ignored for HIP devices/backend. Instead it uses HIP_VISIBLE_DEVICES. Setting this environment variable has no side effect for CUDA/NVIDIA so it can safely be set in any case and vice versa.