The ability of a high-performance cluster (HPC) to positively affect application performance is one of the most important factors to consider in selecting a switching fabric type and interconnect. Though the characteristics of an application affect performance results, one also should consider node configuration, interconnect and switching fabric type and configuration, protocol offloading technology, storage, and file system type. This paper presents a comparative analysis of the performance of LS-DYNA, a finite element analysis application, using two interconnect and fabric technologies: Gigabit Ethernet and Cisco Double Data Rate (DDR) InfiniBand.
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