Implementing OpenSHMEM Using MPI-3 One-Sided Communication

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• 作者：Jeff R. Hammond (17)
  Sayan Ghosh (18)
  Barbara M. Chapman (18)
  
• 关键词：SHMEM ; MPI ; 3 ; RMA ; one ; sided communication
• 刊名：Lecture Notes in Computer Science
• 出版年：2014
• 出版时间：2014
• 年：2014
• 卷：8356
• 期：1
• 页码：44-58
• 全文大小：311 KB
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• 作者单位：Jeff R. Hammond (17)
  Sayan Ghosh (18)
  Barbara M. Chapman (18)
  
  17. Argonne National Laboratory, Argonne, IL, 60439, USA
  18. Dept. of Computer Science, University of Houston, Houston, Texas, USA
  
• ISSN：1611-3349

文摘

This paper reports the design and implementation of Open- SHMEM over MPI using new one-sided communication features in MPI- 3, which include not only new functions (e.g. remote atomics) but also a newmemory model that is consistent with that of SHMEM.We use a new, non-collective MPI communicator creation routine to allow SHMEM collectives to use their MPI counterparts. Finally, we leverage MPI sharedmemory windows within a node, which allows direct (load-store) access. Performance evaluations are conducted for shared-memory and InfiniBand conduits using microbenchmarks.