Point-to-Point Communication on Gigabit Ethernet and InfiniBand Networks

This paper presents the measurements of the MPI point-to-point communication performances on Razi and Haitham clusters by using SKaMPI, IMB and MPBench benchmark programs. These measurements were done on clusters with identical configurations in order to compare and analyze the MPI implementation performance over different interconnect technology; Gigabit Ethernet and InfiniBand. The comparison and analysis of the results from all benchmark programs used were then provided. It revealed that different MPI benchmark programs rendered different results for different interconnect. The results for both technologies were then compared to the experiment’s results that were done on cluster with Opteron quad-core processor. The comparison concluded that besides type of interconnect, the architecture of the clusters itself might also affected the results.

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