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cs.PF2010★ 13 cited
Parallel sparse matrix-vector multiplication as a test case for hybrid MPI+OpenMP programming
Gerald Schubert, Georg Hager, Holger Fehske +1
We evaluate optimized parallel sparse matrix-vector operations for two representative application areas on widespread multicore-based cluster configurations. First the single-socke…
cs.PF2010★ 48 cited
Efficient multicore-aware parallelization strategies for iterative stencil computations
Jan Treibig, Gerhard Wellein, Georg Hager
Stencil computations consume a major part of runtime in many scientific simulation codes. As prototypes for this class of algorithms we consider the iterative Jacobi and Gauss-Seid…