Chapter

Recent Advances in Parallel Virtual Machine and Message Passing Interface

Volume 2840 of the series Lecture Notes in Computer Science pp 88-97

Evaluating the Performance of MPI-2 Dynamic Communicators and One-Sided Communication

  • Edgar GabrielAffiliated withInnovative Computing Laboratory, Computer Science Departement, University of Tennessee
  • , Graham E. FaggAffiliated withInnovative Computing Laboratory, Computer Science Departement, University of Tennessee
  • , Jack J. DongarraAffiliated withInnovative Computing Laboratory, Computer Science Departement, University of Tennessee

* Final gross prices may vary according to local VAT.

Get Access

Abstract

This paper evaluates the performance of several MPI implementations regarding two chapters of the MPI-2 specification. First, we analyze, whether the performance using dynamically created communicators is comparable to the approach presented in MPI-1 using a static communicator for different MPI libraries. We than evaluate, whether the communication performance of one-sided communication on current machines, represents a benefit or a drawback to the end-user compared to the more conventional two-sided communication.