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2005
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An Evaluation of Implementation Options for MPI One-Sided Communication

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An Evaluation of Implementation Options for MPI One-Sided Communication
MPI defines one-sided communication operations—put, get, and accumulate—together with three different synchronization mechanisms that define the semantics associated with the initiation and completion of these operations. In this paper, we analyze the requirements imposed by the MPI Standard on any implementation of one-sided communication. We discuss options for implementing the synchronization mechanisms and analyze the cost associated with each. An MPI implementer can use this information to select the implementation method that is best suited (has the lowest cost) for a particular machine environment. We also report on experiments we ran on a Linux cluster and a Sun SMP to determine the gap between the performance that could be achievable and what is actually achieved with MPI.
William D. Gropp, Rajeev Thakur
Added 28 Jun 2010
Updated 28 Jun 2010
Type Conference
Year 2005
Where PVM
Authors William D. Gropp, Rajeev Thakur
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