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== Parallel CPU jobs == | == Parallel CPU jobs == <!--T:61--> | ||
=== MPI jobs === <!--T:18--> | === MPI jobs === <!--T:18--> | ||
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== Parallel GPU jobs == | == Parallel GPU jobs == <!--T:44--> | ||
=== UCX GPU jobs === | === UCX GPU jobs === | ||
This example is for Béluga and it assumes that full nodes are used, which gives best performance for NAMD jobs. It uses 8 processes in total on 2 nodes, each process(task) using 10 threads and 1 GPU. This fully utilizes Béluga GPU nodes which have 40 cores and 4 GPUs per node. Note that 1 core per task has to be reserved for a communications thread, so NAMD will report that only 72 cores are being used but this is normal. | This example is for Béluga and it assumes that full nodes are used, which gives best performance for NAMD jobs. It uses 8 processes in total on 2 nodes, each process(task) using 10 threads and 1 GPU. This fully utilizes Béluga GPU nodes which have 40 cores and 4 GPUs per node. Note that 1 core per task has to be reserved for a communications thread, so NAMD will report that only 72 cores are being used but this is normal. | ||