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Parallel programs in the Cray and on the Alliant: a comparative evaluation

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1 Author(s)
Bieterman, M. ; Boeing Comput. Services, Seattle, WA, USA

The microtasking capabilities of two computers are examined. Microtasking is a loop-based form of multitasking on MIMD (multiple-instruction, multiple-data-stream) computers in which much of the synchronization and control of parallel tasks in a user's program is managed by vendor software. Differences in the microtasking features of Cray X-MP/4 and Alliant FX/8 are described, the processes of applying them to different types of partial differential equation software are compared, and performance results from several experiments are presented.<>

Published in:

Compcon Spring '88. Thirty-Third IEEE Computer Society International Conference, Digest of Papers

Date of Conference:

Feb. 29 1988-March 3 1988