Optimizing the Synchronization Operations in Message Passing Interface One-Sided Communication

  title={Optimizing the Synchronization Operations in Message Passing Interface One-Sided Communication},
  author={Rajeev Thakur and William Gropp and Brian R. Toonen},
One-sided communication in Message Passing Interface (MPI) requires the use of one of three different synchronization mechanisms, which indicate when the one-sided operation can be started and when the operation is completed. Efficient implementation of the synchronization mechanisms is critical to achieving good performance with one-sided communication. However, our performance measurements indicate that in many MPI implementations, the synchronization functions add significant overhead… CONTINUE READING
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