Advances in the Legion Programming Model

Wonchan Lee, Todd Warszawski, and Karthik Murthy gave this talk at the Stanford HPC Conference. "Legion is an exascale-ready parallel programming model that simplifies the mapping of a complex, large-scale simulation code on a modern heterogeneous supercomputer. Legion relieves scientists and engineers of several burdens: they no longer need to determine which tasks depend on other tasks, specify where calculations will occur, or manage the transmission of data to and from the processors. In this talk, we will focus on three aspects of the Legion programming system, namely, dynamic tracing, projection functions, and vectorization."

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