For workload management and resource scheduling, NCAR uses Altair PBS Professional to exploit features like cloud bursting, fairshare, power-user and maintenance reservations, resource assignment with control groups, high-throughput hierarchical scheduling, green provisioning, and energy-aware scheduling.
This presentation by Irfan Elahi, Brian Vanderwende, and John Blaas from the National Center for Atmospheric Research (NCAR) was aired during the 2021 Altair HPC Summit
Libfabric is a low-level communication abstraction for high-performance networks. It hides most transport and hardware implementation details from middleware and applications to provide high-performance portability between diverse fabrics.
Using the Intel MPI Library Distribution of Libfabric
By default, mpivars.sh sets the environment to the version of libfabric shipped with the Intel MPI Library. To disable this, use the I_MPI_OFI_LIBRARY_INTERNAL environment variable or -ofi_internal (by default ofi_internal=1)
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