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paulmullowney/aijcusp-ellpack-fix

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paulmullowney/aijcusp-ellpack-fix
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Paul Mullowney
Fix to AIJCUSP to Enable larger parallel simulations with Ellpack Storage The construction of the offdiagonal matrices has been changed to enforce compressed row format. Before this commit, the entire CSR format of the offdiagonal block matrices (used in MatMultAdd) was being used to convert to ellpack. This lead to a huge amount of fill because many of the rows in the offdiagonal blocks can often be empty. With this commit, I calculate the compressed format and calcula…