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Lookup NU author(s): Dr James Smith, Emeritus Professor Santosh Shrivastava
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A well-known structuring technique for a wide class of parallel applications is the bag of tasks, which allows a computation to be partitioned dynamically between a collection of concurrent processes. This paper describes a fault-tolerant implementation of this structure using atomic actions (atomic transactions) to operate on persistent objects, which are accessed in a distributed setting via a Remote Procedure Call (RPC). The system developed is suited to parallel execution of data and compute intensive programs that require persistent storage and fault tolerance facilities. The suitability of the system is examined in the context of the measured performance of three specific applications; ray tracing, matrix multiplication and Cholesky factorisation. The measured performance compares well with that predicted by analysis of the applications based on benchmark measurement of hardware parameters. The same analysis allows modelling of hardware upgrades. © 1998 - Elsevier Science B.V. All rights reserved.
Author(s): Smith JA, Shrivastava SK
Publication type: Article
Publication status: Published
Journal: Theoretical Computer Science
Year: 1998
Volume: 196
Issue: 1-2
Pages: 319-345
Print publication date: 06/04/1998
ISSN (print): 0304-3975
ISSN (electronic):
Publisher: Elsevier
URL: http://dx.doi.org/10.1016/S0304-3975(97)00206-5
DOI: 10.1016/S0304-3975(97)00206-5
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