Comparative Performance of a Commodity Alpha Cluster Running Linux and Windows NT

Authors:
David Lancaster;Kenji Takeda
Affiliations:
-;-
Venue:
IWCC '99 Proceedings of the 1st IEEE Computer Society International Workshop on Cluster Computing
Year:
1999

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Abstract

Using a cluster of commodity Alpha processors we compare two software platforms based on Linux and Windows NT and intended to support intensive scientific computations. Networking and compiler performance are separately analyzed and then results for NAS parallel benchmarks are given. We find that a compiler able to make good use of the cache is more important than low network latency in obtaining high performance. We argue that for all types of cluster, the choice of compiler is critical in selecting a cost effective platform for computationally intensive scientific applications.