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garvct authored Feb 15, 2023
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# HPC Application process/thread mapping/pinning checking tool

Correct mapping/pinning of HPC Application processes/threads is critical for optimal performance.
The HPC Application process/thread mapping/pinning checking tool has two main features, it allows you to quickly verify that the processes/threads associated with your HPC Application are mapped/pinned correctly/optimally or it can generate the MPI process/thread pinning syntax for OpenMPI/HPCX, Intel MPI and MVapich2 (Currently for HPC VM's based on AMD processors (HB (v1,v2 & v3) and NDv4). This tool shows you the virtual machine NUMA topology (i.e location of code id's, GPU's and NUMA domains), where the processes/threads associated with your HPC Application are mapped/pinned and warnings if they are not mapped/pinned optimally.
The HPC Application process/thread mapping/pinning checking tool has two main features, it allows you to quickly verify that the processes/threads associated with your HPC Application are mapped/pinned correctly/optimally or it can generate the MPI process/thread pinning syntax for OpenMPI/HPCX, Intel MPI and MVapich2 (Currently for HPC VM's based on AMD processors (HB (v1,v2 & v3) and NDv4). This tool shows you the virtual machine NUMA topology (i.e location of core id's, GPU's and NUMA domains), where the processes/threads associated with your HPC Application are mapped/pinned and warnings if they are not mapped/pinned optimally.

## Prerequisites

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