NAS experiences with a prototype cluster of workstations

K. Castagnera, D. Cheng, R. Fatoohi, E. Hook, B. Kramer, C. Manning, J. Musch, C. Niggley, W. Saphir, D. Sheppard, M. Smith, I. Stockdale, S. Welch, R. Williams, D. Yip

Research output: Contribution to journalConference articlepeer-review


This paper discusses the year-long activity at NAS to implement a large, loose cluster of workstations from the existing Silicon Graphics, Inc. (SGI) pool of systems. Issues related to establishing a loosely coupled cluster of workstations are presented. Included are steps needed to resolve system management issues intended to provided reasonable cycle recovery from these systems without disrupting the primary systems users. Performance evaluation tests were run based on the NAS Parallel Benchmarks (NPB) and other codes, including OVERFLOW-PVM, a full-fledged Computational Fluid Dynamics (CFD) application. This paper summarizes the activities related to the prototype cluster and identifies areas that need improvement, development, and research in order to make workstation clusters a viable computing environment for solving aeroscience problems.

Original languageEnglish (US)
Pages (from-to)410-419
Number of pages10
JournalProceedings of the ACM/IEEE Supercomputing Conference
StatePublished - 1994
Externally publishedYes
EventProceedings of the 1994 Supercomputing Conference - Washington, DC, USA
Duration: Nov 14 1994Nov 18 1994

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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