Titlebook: Solving Irregularly Structured Problems in Parallel; 4th International Sy Gianfranco Bilardi,Afonso Ferreira,José Rolim Conference proceedi

Condyle

A variant of the biconjugate gradient method suitable for massively parallel computing,c, the process is shown to be mathematically equivalent to the biconjugate gradient method. The efficiency of this new variant is demonstrated by numerical experiments on a PARAGON system using up to 121 processors.

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Fibrin

A new approximation algorithm for the register allocation problem, interval across the different possible execution paths for each variable. We prove that the conflict graph . with enlarged lifetimes satisfies ω(.)≤(2.+1)ω(.) where ω(.) is the cardinality of a maximum clique in .. In the second step, we propose an algorithm with approximation bound (.+1)ξ(.) for ., using its specific structure.

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Performance optimization of combined variable-cost computations and I/O,ing among data-scheduling. We test our approach on sparse benchmark matrices for matrix-vector computations and show experimentally that our method can accurately predict the relative performance of different input/output schemes for a given data set and choose the best technique accordingly.

NICHE

re and processing. It is now generally recognized that the application of this fundamental truth to the rational design of materials has emerged as one of the most challenging technical problems currently facing our industrial society. While the use of simulation and modeling in the computational pa