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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/29735
Record Status
Checked
Record Id
29735
Title
Multifrontal parallel distributed symmetric and unsymmetric solvers
Contributors
PR Amestoy
,
IS Duff (CCLRC Rutherford Appleton Lab.)
,
J-Y L'Excellent
Abstract
We consider the solution of both symmetric and unsymmetric systems of sparse linear equations. A new parallel distributed memory multifrontal approach is described. To handle numerical pivoting efficiently, a parallel asynchronous algorithm with dynamic scheduling of the computing tasks has been developed. We discuss some of the main algorithmic choices and compare both implementation issues and the performance of the LDL to the power T and LU factorizations. Performance analysis on an IBM SP2 shows the efficiency and the potential of the method. The test problems used are from the Rutherford-Boeing collection and from the PARASOL end users.
Organisation
CCLRC
Keywords
Funding Information
Related Research Object(s):
32953
Licence Information:
Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Report
RAL Technical Reports
RAL-TR-1998-051. 1998.
raltr-1998051.pdf
1998
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