Concatenated parallelism: a technique for efficient parallel divide and conquer

Sanjay Goil, S. Aluru, S. Ranka
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引用次数: 14

Abstract

Efficient divide and conquer algorithms can be mapped to a parallel computer using either task parallelism or data parallelism. The former involves significant data movement and the latter can lead to severe load imbalances. A new strategy is proposed, which the authors call concatenated parallelism, for efficient parallel solution of problems resulting in divide and conquer trees. Their strategy is useful when the communication time due to data movement in distributing the subproblems is significant in comparison to the time required for subdivision.
串联并行:一种高效的并行分治技术
高效的分治算法可以使用任务并行性或数据并行性映射到并行计算机。前者涉及大量数据移动,后者可能导致严重的负载不平衡。为了有效地并行解决分治树问题,提出了一种新的并行处理策略,称为串联并行。当分布子问题时由于数据移动而导致的通信时间比细分所需的时间重要时,它们的策略非常有用。
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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