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A Highly Efficient Implementation of Multiple Precision Sparse Matrix-Vector Multiplication and Its Application to Product-type Krylov Subspace Methods
[article]
2014
arXiv
pre-print
We evaluate the performance of the Krylov subspace method by using highly efficient multiple precision sparse matrix-vector multiplication (SpMV). BNCpack is our multiple precision numerical computation library based on MPFR/GMP, which is one of the most efficient arbitrary precision floating-point arithmetic libraries. However, it does not include functions that can manipulate multiple precision sparse matrices. Therefore, by using benchmark tests, we show that SpMV implemented in these
arXiv:1411.2377v1
fatcat:mld2ljfc4ndjdf5rupyycd4l2i