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Scope Consistency : A Bridge between Release Consistency and Entry Consistency (1996)
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| Venue: | In Proceedings of the 8th Annual ACM Symposium on Parallel Algorithms and Architectures |
| Citations: | 170 - 12 self |
BibTeX
@INPROCEEDINGS{Iftode96scopeconsistency,
author = {Liviu Iftode and Jaswinder Pal Singh and Kai Li},
title = {Scope Consistency : A Bridge between Release Consistency and Entry Consistency},
booktitle = {In Proceedings of the 8th Annual ACM Symposium on Parallel Algorithms and Architectures},
year = {1996},
pages = {277--287}
}
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Abstract
The large granularity of communication and coherence in shared virtual memory systems causes problems with false sharing and extra communication. Relaxed memory consistency models have been used to alleviate these problems, but at a cost in programming complexity. Release Consistency (RC) and Lazy Release Consistency (LRC) are accepted to offer a reasonable tradeoff between performance and programming complexity. Entry Consistency (EC) offers a more relaxed consistency model, but it requires explicit association of shared data objects with synchronization variables. The programming burden of providing such associations can be substantial. This paper proposes a new consistency model for shared virtual memory, called Scope Consistency (ScC), which offers most of the potential performance advantages of the EC model without requiring explicit bindings between data and synchronization variables. Instead, ScC dynamically detects the bindings implied by the programmer allowing a programming i...
Keyphrases
entry consistency scope consistency release consistency synchronization variable new consistency model virtual memory system large granularity relaxed consistency model false sharing ec model potential performance advantage lazy release consistency reasonable tradeoff explicit binding virtual memory relaxed memory consistency model extra communication explicit association data object
