Array-Based Reduction Operations for a Parallel Adaptive FEM

Array-Based Reduction Operations for a Parallel Adaptive FEM
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并行自适应有限元的基于阵列的归约运算

DOI:
10.1007/978-3-642-35893-7_3
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发表时间:
2012
期刊:
2010 18th Euromicro Conference on Parallel, Distributed and Network-based Processing
影响因子:
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通讯作者:
G. Rünger
G. Rünger
中科院分区:
--
文献类型:
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作者:
M. Balg;Jens Lang;A. Meyer;G. Rünger

文献摘要

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对于科学计算的许多应用,约简操作可能导致性能瓶颈。在这篇文章中,不同的粗粒度和细粒度的方法来实现减少的性能进行了研究。将使用原子操作或细粒度显式锁的细粒度约简与OpenMP和MPI提供的粗粒度约简操作进行比较。
For many applications of scientific computing, reduction operations may cause a performance bottleneck. In this article, the performance of different coarse- and fine-grained methods for implementing the reduction is investigated. Fine-grained reductions using atomic operations or fine-grained explicit locks are compared to the coarse-grained reduction operations supplied by OpenMP and MPI.