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Evaluating Mellanox ConnectX InfiniBand Performance in HPC Clusters

Next-generation Mellanox® ConnectX™ Double Data Rate (DDR) InfiniBand technology provides a low-latency, high-bandwidth interconnect that can help increase scalability and performance in high-performance computing (HPC) cluster environments. This article outlines the basics of the ConnectX architecture and presents test results comparing its latency and bandwidth with those of InfiniHost™ III Lx and Gigabit Ethernet (GbE).