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Evaluating InfiniBand Performance with PCI Express
January/February 2005 (vol. 25 no. 1)
pp. 20-29
Jiuxing Liu, IBM T.J. Watson Research Center
Amith Mamidala, The Ohio State University
Abhinav Vishnu, The Ohio State University
Dhabaleswar K. Panda, 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.
Citation:
Jiuxing Liu, Amith Mamidala, Abhinav Vishnu, Dhabaleswar K. Panda, "Evaluating InfiniBand Performance with PCI Express," IEEE Micro, vol. 25, no. 1, pp. 20-29, Jan.-Feb. 2005, doi:10.1109/MM.2005.9
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