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An Improved Lazy Release Consistency Model

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Author(s): Chapram Sudhakar | T. Ramesh

Journal: Journal of Computer Science
ISSN 1549-3636

Volume: 5;
Issue: 11;
Start page: 778;
Date: 2009;
Original page

Keywords: Distributed shared memory system | lazy release consistency model | memory consistency model | threads

ABSTRACT
Problem statement: A network of workstations, viewed as a distributed shared memory system can be used to develop and test parallel algorithms. Approach: For implementing parallel algorithms on such DSMs shared memory consistency model plays a vital role. Results: However on a LAN, strict consistency models like Sequential Consistency model (SC) are not useful since the communication is slow. In such environments relaxed models like Entry Consistency (EC), Release Consistency (RC) or their variations such as Lazy Release Consistency (LRC) are generally used. Conclusion/Recommendations: In this study an Improved Lazy Release Consistency (ILRC) model is proposed. This model is studied with standard parallel algorithms. In many cases the ILRC model is proved to work better than the LRC model.
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