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Hybrid MPI-OpenMP Programming

In this talk we will introduce hybrid MPI-OpenMP programming model designed for distributed shared memory parallel (DSMP) computers. The CHPC clusters are representative of this family having two or more shared memory processors per node. OpenMP generally provides better performing alternative for parallelization inside a node and MPI is used for communication between the distributed processors. We will discuss cases when hybrid programming model is beneficial and provide examples of simple MPI-OpenMP codes.

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Last Updated: 7/14/21