Performance Evaluation of the ATOLL Interconnect

H. Fröning, M. Nüssle, D. Slogsnat, P.R. Haspel, and U. Brüning (Germany)


Interconnection Networks, Cluster Com puting, High Performance Computing, Performance Evalu ation


The ATOLL System Area Network (SAN) is a low laten cy interconnect that integrates all required components of a communication system for cluster computing into a single chip. The chip integrates not only four communication de vices but also a high performance crossbar. The low laten cy and the scalability of the ATOLL chip implementation makes it an interesting technology in the area of cluster computing. The following paper presents performance re sults of basic point-to-point benchmarks together with an evaluation of the use as a cluster interconnect.

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