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Issue No. 01 - January/February (2005 vol. 25)
ISSN: 0272-1732
pp: 20-29
Dhabaleswar K. Panda , The Ohio State University
Amith Mamidala , The Ohio State University
Jiuxing Liu , IBM T.J. Watson Research Center
Abhinav Vishnu , The Ohio State University
InfiniBand host channel adapters (HCAs) with PCI Express achieve 20 to 30 percent lower latency for small messages compared with HCAs using 64-bit, 133-MHz PCI-X interfaces. PCI Express also improves performance at the MPI level, achieving a latency of 4.1 ?s for small messages. It can also improve MPI collective communication and bandwidth-bound MPI application performance.
Dhabaleswar K. Panda, Amith Mamidala, Jiuxing Liu, Abhinav Vishnu, "Evaluating InfiniBand Performance with PCI Express", IEEE Micro, vol. 25, no. , pp. 20-29, January/February 2005, doi:10.1109/MM.2005.9
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