Graham: Difference between revisions

Graham (view source)

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-The two newest Volta nodes have 40 cores so above core requests can be adjusted accordingly, i.e. can use 5 CPU cores per GPU.  They also have NVLINK, which can provide huge benefits for situations where memory bandwidth between GPUs is the bottleneck.  To use one of these NVLINK nodes, it should be requested directly, by adding the option '''--nodelist=gra1337''' or '''--nodelist=gra1338''' to the job submission script.
+The two newest Volta nodes have 40 cores so the number of cores requested per GPU should be adjusted upwards accordingly, i.e. you can use 5 CPU cores per GPU.  They also have NVLINK, which can provide huge benefits for situations where memory bandwidth between GPUs is the bottleneck.  To use one of these NVLINK nodes, it should be requested directly, by adding the option '''--nodelist=gra1337''' or '''--nodelist=gra1338''' to the job submission script.
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