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Beyer","Matthias S. Müller" ], "authors": [ {"first" : "Sandra", "last" : "Wienke"}, {"first" : "Christian", "last" : "Terboven"}, {"first" : "James C.", "last" : "Beyer"}, {"first" : "Matthias S.", "last" : "Müller"} ], "editor": [ "Fernando Silva","Inês Dutra","Vítor Santos Costa" ], "editors": [ {"first" : "Fernando", "last" : "Silva"}, {"first" : "Inês", "last" : "Dutra"}, {"first" : "Vítor", "last" : "Santos Costa"} ], "pages": "812--823","abstract": "Nowadays, HPC systems frequently emerge as clusters of commodity processors with attached accelerators. Moving from tedious low-level accelerator programming to increased development productivity, the directive-based programming models OpenACC and OpenMP are promising candidates. While OpenACC was completed about two years ago, OpenMP just recently added support for accelerator programming. To assist developers in their decision-making which approach to take, we compare both models with respect to their programmability. Besides investigating their expressiveness by putting their constructs side by side, we focus on the evaluation of their power based on structured parallel programming patterns (aka algorithmic skeletons). These patterns describe the basic entities of parallel algorithms of which we cover the patterns map, stencil, reduction, fork-join, superscalar sequence, nesting and geometric decomposition. Architectural targets of this work are NVIDIA-type accelerators (GPUs) and specialties of Intel-type accelerators (Xeon Phis). 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Dongarra","Axel Ruhe","Henk A. van der Vorst" ], "editors": [ {"first" : "Zhaojun", "last" : "Bai"}, {"first" : "James", "last" : "Demmel"}, {"first" : "Jack J.", "last" : "Dongarra"}, {"first" : "Axel", "last" : "Ruhe"}, {"first" : "Henk A.", "last" : "van der Vorst"} ], "volume": "11", "ee" : "https://doi.org/10.1137/1.9780898719581", "isbn" : "978-0-89871-471-5", "bibtexKey": "2000templates" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2c0ef03b37bb7a14c89d5eeadc7af1fc3/dlrt", "tags" : [ "designPattern","from:hermann","software" ], "intraHash" : "c0ef03b37bb7a14c89d5eeadc7af1fc3", "interHash" : "eeb5bfdc7ebbe11da87e346fe07b8b89", "label" : "Templates for the Solution of Linear Systems: Building Blocks for Iterative Methods", "user" : "dlrt", "description" : "", "date" : "2020-12-03 11:12:21", "changeDate" : "2020-12-03 10:12:47", "count" : 3, "pub-type": "book", "series": "Other Titles in Applied Mathematics","publisher":"SIAM", "year": "1994", "url": "", "author": [ "Richard F. Barrett","Michael W. Berry","Tony F. Chan","James Demmel","June M. Donato","Jack J. Dongarra","Victor Eijkhout","Roldan Pozo","Charles H. Romine","Henk A. van der Vorst" ], "authors": [ {"first" : "Richard F.", "last" : "Barrett"}, {"first" : "Michael W.", "last" : "Berry"}, {"first" : "Tony F.", "last" : "Chan"}, {"first" : "James", "last" : "Demmel"}, {"first" : "June M.", "last" : "Donato"}, {"first" : "Jack J.", "last" : "Dongarra"}, {"first" : "Victor", "last" : "Eijkhout"}, {"first" : "Roldan", "last" : "Pozo"}, {"first" : "Charles H.", "last" : "Romine"}, {"first" : "Henk A.", "last" : "van der Vorst"} ], "pages": "1-118", "ee" : "https://doi.org/10.1137/1.9781611971538", "isbn" : "978-1-61197-153-8", "bibtexKey": "barrett1994templates" } ] }