Evaluation of the power efficiency of UPC, OpenMP and MPI
In this study we compare the performance and power efficiency of Unified Parallel C (UPC), MPI and OpenMP by running a set of kernels from the NAS Benchmark. One of the goals of this study is to focus on the Partitioned Global Address Space (PGAS) model, in order to describe it and compare it to MPI and OpenMP. In particular we consider the power effi- ciency expressed in millions operations per second per watt as a criterion to evaluate the suitability of PGAS compared to MPI and OpenMP. Based on these measurements, we provide an analysis to explain the difference of performance between UPC, MPI, and OpenMP.
ForlagInstitutt for informatikk Tromsø
SerieIFI-UITØ Technical Report
SiteringIFI-UIT Technical Report 2015-76
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