NDLI: Program-level control of network delay for parallel asynchronous iterative applications

Content Provider	IEEE Xplore Digital Library
Author	Joseph, P.J. Vajapeyam, S.
Copyright Year	1996
Description	Author affiliation: Dept. of Comput. Sci. & Autom., Indian Inst. of Sci., Bangalore, India (Joseph, P.J.)
Abstract	Software distributed shared memory (DSM) platforms on networks of workstations tolerate large network latencies by employing one of several weak memory consistency models. Fully asynchronous parallel iterative algorithms offer an additional degree of freedom to tolerate network latency. They behave correctly when supplied outdated shared data. However these algorithms can flood the network with messages in the presence of large delays. We propose a method of controlling asynchronous iterative methods wherein the reader of a shared datum imposes an upper bound on its age via use of a blocking Global Read primitive. This reduces the overall number of iteration is executed by the reader; thus controlling the amount of shared updates generated. Experiments for a fully asynchronous linear equation solver running on a network of 10 IBM RS/6000 workstations show that the proposed Global Read primitive provides significant performance improvement.
Starting Page	88
Ending Page	93
File Size	622873
Page Count	6
File Format	PDF
ISBN	0818675578
DOI	10.1109/HIPC.1996.565802
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-12-19
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Iterative algorithms Workstations Iterative methods Application software Computer science Automation Upper bound Propagation delay Costs Communication system control
Content Type	Text
Resource Type	Article

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