Parallel Hierarchical Block Wavelet Compression for an Optimal Compression of 3-D BEM Problems

被引：6

作者：

Scheiblich, Christian ^{[1
]}

Banucu, Remus ^{[1
]}

Reinauer, Veronika ^{[1
]}

Albert, Jan ^{[1
]}

Rucker, Wolfgang M. ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Theory Elect Engn, D-70569 Stuttgart, Germany

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2011年 / 47卷 / 05期

关键词：

Block wavelet compression; boundary element methods; electrostatics; hierarchical matrices; BOUNDARY-ELEMENT METHOD; H-MATRICES; TRANSFORM;

D O I：

10.1109/TMAG.2010.2081354

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Today's low-cost hardware developments allow for a parallelization over several selectable CPU cores by using Intel's OpenMP library. But if one applies this feature to a numerical simulation based on a boundary element method (BEM), there is still a huge bottle neck-the shared memory of such a system. So, if a low-cost hardware should be effectively used for large BEM problems, a memory compression algorithm that is easy to be scheduled in parallel is of first choice. Within our development of the Hierarchical Block Wavelet Compression, this bottle neck will be tackled in pure mathematical manners. Furthermore, its parallelization will be discussed and an optimal compression by varying the compression rate over different areas of the BEM problem will be presented.

引用

页码：1386 / 1389

页数：4

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