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BiCGSTAB for collocation systems on shared memory parallel architectures

Papadopoulou Eleni, Saridakis Ioannis, E. N. Mathioudakis

Απλή Εγγραφή

URIhttp://purl.tuc.gr/dl/dias/B40A9773-5535-48C4-A011-606761EBC076-
Αναγνωριστικόhttp://www.amcl.tuc.gr/_stuff/BiCGSTABshared.pdf-
Γλώσσαen-
Μέγεθος10 pagesen
ΤίτλοςBiCGSTAB for collocation systems on shared memory parallel architecturesen
ΔημιουργόςPapadopoulou Elenien
ΔημιουργόςΠαπαδοπουλου Ελενηel
ΔημιουργόςSaridakis Ioannisen
ΔημιουργόςΣαριδακης Ιωαννηςel
ΔημιουργόςE. N. Mathioudakisen
ΠερίληψηWe consider the computationally intense problem of solving the large, sparse and non- symmetric system of equations arising from the discretization of Elliptic BVPs by the Col- location finite element method using Hermite Bi-Cubic elements. The size of the problem and a Ritz value analysis suggests the usage of the Symmetric Successive Over-relaxation (SSOR) preconditioned Bi-Conjugate Gradient Stabilized (BiCGSTAB) iterative method for its solution. To induce scalability to our computation, we restructure the Collocation matrix from its block tridiagonal form to a particular red-black ordered form, leading to the development of a well-structured parallel algorithm for the method. The realization of the said algorithm took place on a SGI Origin 2000 shared memory parallel computer. Speed-up measurements are used to reveal the efficiency of our parallel implementation.en
ΤύποςΠλήρης Δημοσίευση σε Συνέδριοel
ΤύποςConference Full Paperen
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2015-10-16-
Ημερομηνία Δημοσίευσης2001-
Βιβλιογραφική ΑναφοράE. Mathioudakis, E. P. Papadopoulou ,Y. G. Saridakis.(2001). BiCGSTAB for collocation systems on shared memory parallel architectures.Presented at International Conference on Numerical Algorithms .[online].Available:http://www.amcl.tuc.gr/_stuff/BiCGSTABshared.pdfen

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