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by p1esk
1440 days ago
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Yes, I thought about it - in theory I can measure the total traffic with mpirun, then substract nvlink traffic (as measured by nvidia-smi) from it. However I'm not 100% sure that the nvlink traffic from nvidia-smi is the same as the nvlink traffic component of the mpirun. I'd prefer to measure internode traffic directly (e.g. using Mellanox tools) as a more reliable method. |
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