Evaluating the Impact of Proposed OpenMP 5.0 Features on Performance, Portability and Productivity

Evaluating the Impact of Proposed OpenMP 5.0 Features on Performance, Portability and Productivity
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评估拟议的 OpenMP 5.0 功能对性能、可移植性和生产力的影响

DOI:
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发表时间:
2018
期刊:
International Workshop on Performance, Portability and Productivity in HPC
影响因子:
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通讯作者:
J. Hammond
J. Hammond
中科院分区:
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文献类型:
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作者:
S. Pennycook;J. Sewall;J. Hammond

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We investigate how specialization mechanisms proposed for OpenMP 5.0 -- specifically, the metadirective and declare variant directives -- may be deployed in a real-life code, using the miniMD benchmark from the Mantevo suite. Additionally, we develop an OpenMP 4.5 implementation of miniMD that achieves a performance portability of 59.35% across contemporary CPU and GPU hardware, discuss the processes of porting and enabling this code, and show that the use of specialization would enable our code to be expressed in a significantly more compact form, with implications for productivity.
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