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Commit 56e45397 authored by Karl Rupp's avatar Karl Rupp
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CG, BiCGStab, GMRES: Improved CSR SpMV for pipelined implementations. 

Improves performance on some NVIDIA GPUs by up to a factor of two.
Only kicks in if the matrix carries more than 12 nonzeros per row on average.
parent e8dc2595
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