Performance evaluation of three distributed computing environments for scientific applications

Authors:
Rod Fatoohi;Sisira Weeratunga
Affiliations:
Computer Sciences Corporation, Moffett Field, California;Computer Sciences Corporation, Moffett Field, California
Venue:
Proceedings of the 1994 ACM/IEEE conference on Supercomputing
Year:
1994

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Abstract

We present performance results for three distributed computing environments using the three simulated CFD applications in the NAS Parallel Benchmark suite. These environments are the DCF cluster, the LACE cluster, and an Intel iPSC/860 machine. The DCF is a prototypic cluster of loosely coupled SGI R3000 machines connected by Ethernet. The LACE cluster is a tightly coupled cluster of 32 IBM RS6000/560 machines connected by Ethernet as well as by either FDDI or an IBM Allnode switch. Results of several parallel algorithms for the three simulated applications are presented and analyzed based on the interplay between the communication requirements of an algorithm and the characteristics of the communication network of a distributed system.