同步和粒度对并行系统的影响

[1990] Proceedings. The 17th Annual International Symposium on Computer Architecture Pub Date : 1990-05-01 DOI:10.1145/325164.325150

D. Chen, H. Su, P. Yew

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引用次数: 95

摘要

采用执行驱动仿真技术研究了同步和粒度对并行系统性能的影响。研究发现，尽管在细粒度级别上存在大量并行性，但同步和调度策略决定了系统的最终性能。当考虑到这些因素时，循环迭代级的并行性似乎是更合适的级别。研究了循环迭代层的屏障同步和数据同步。结果表明，为了获得更好的性能，这两种方案都是必要的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The impact of synchronization and granularity on parallel systems

A study is made of the impact of synchronization and granularity on the performance of parallel systems using an execution-driven simulation technique. It is found that, even though there can be a lot of parallelism at the fine-grain level, synchronization and scheduling strategies determine the ultimate performance of the system. Loop-iteration-level parallelism seems to be a more appropriate level when those factors are considered. Barrier synchronization and data synchronization at the loop-iteration level are also studied. It is found that both schemes are needed for a better performance.<>

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[1990] Proceedings. The 17th Annual International Symposium on Computer Architecture

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