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Implementation of a parallel algorithm for the symmetric positive definite systems of equations on the CRAY-T3E
Wankar, Rajeev ;  Ehrig, Rainald ;  Chaudhari, N. S. ;  Fehr, Elfriede ;  Universität <Berlin, Freie Universität> / Fachbereich Mathematik und Informatik

Main titleImplementation of a parallel algorithm for the symmetric positive definite systems of equations on the CRAY-T3E
AuthorWankar, Rajeev
AuthorEhrig, Rainald
AuthorChaudhari, N. S.
AuthorFehr, Elfriede
InstitutionUniversität <Berlin, Freie Universität> / Fachbereich Mathematik und Informatik
No. of Pages18 S.
Series Freie Universität Berlin, Fachbereich Mathematik und Informatik : Ser. B, Informatik ; 99,17
KeywordsSPD; MPI; SHMEM
Classification (DDC)004 Data processing and Computer science
AbstractA parallel algorithm for the solution of dense Symmetric Positive Definite (SPD) systems of equations Ax = b has been designed for the implementation on the CRAY T3E. One of the numerically stable methods for the solution of this system is proposed by Delosme & Ipsen [3]. In order to implement this algorithm on the CRAY T3E, we require to handle the procedures involved in a slightly different way. These implementation issues are discussed in detail. The actual timings for different communication schemes, on different sets of data values and varying number of processors have been tested and reported.
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FU DepartmentDepartment of Mathematics and Computer Science
Other affiliation(s)Institut für Informatik
Year of publication1999
Type of documentWorking paper
LanguageEnglish
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Created at2009-04-21 : 12:49:27
Last changed2015-02-27 : 08:24:57
 
Static URLhttp://edocs.fu-berlin.de/docs/receive/FUDOCS_document_000000001636
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