$${{\fancyscript{H}}} $$H-LU factorization on many-core systems

$${{\fancyscript{H}}} $$H-LU factorization on many-core systems
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多核系统上的 $${{fancyscript{H}}} $$H-LU 分解

DOI:
10.1007/s00791-014-0226-7
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发表时间:
2013
影响因子:
--
通讯作者:
Ronald Kriemann
Ronald Kriemann
中科院分区:
--
文献类型:
--
作者:
Ronald Kriemann

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A version of the $${{\fancyscript{H}}} $$H-LU factorization is introduced, based on the individual computational tasks occurring during the block-wise $${{\fancyscript{H}}} $$H-LU factorization. The dependencies between these tasks form a directed acylic graph, which is used for efficient scheduling on parallel systems. The algorithm is especially suited for many-core processors and shows a much improved parallel scaling behavior compared to previous $${{\fancyscript{H}}} $$H-LU factorization algorithms.