Allow selection of a particular GPU (via the mask). #670
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Added support for |
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Use the parsec_device_mask to select devices allowed for each process. If unset then use CUDA_VISIBLE_DEVICES to set the mask of allowed devices. Signed-off-by: George Bosilca <gbosilca@nvidia.com>
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Why is this needed? On master (w/o this PR) Setting the environment variable already lets one fine control the allotment of devices to the parsec processes. What do we gain from having a parsec-level mask that is a subsetting of the cuda one? |
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I'm not sure what you are referring to. Are you saying that if |
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