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Minimum Completion Time Criterion for Parallel Sparse Cholesky Factorization

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2 Author(s)
Wen-Yang Lin ; National Taiwan University, Taiwan ; Chuen-Liang Chen

It is well known that a judicious choice of ordering has great impact on the sparse matrix factorization. Many proposed reordering algorithms attempt to minimize the corresponding elimination tree height, which is, however, not an accurate indication of the actual parallel factorization time. We will illustrate the appalling discrepancy with a contrived example.

Published in:

Parallel Processing, 1993. ICPP 1993. International Conference on  (Volume:3 )

Date of Conference:

16-20 Aug. 1993

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