New answers tagged

2

You generally don't gain much for sparse matrix-matrix and sparse matrix-vector products using things such as SSE/AVX/... if the matrices are large. That's because these instructions offer the ability to do some floating point operations in parallel -- but for large sparse matrices, you are limited by the time it takes to get data from memory onto the ...


1

I don't know if this will be helpful to you (since it is a late answer and you already accepted the other answer) but there is a decent literature review of bandwidth minimizing algorithms in https://hal.archives-ouvertes.fr/hal-01166658/document . I would think the matrix as a graph and collapse each block into a single node, i.e. if two nodes of the ...


Top 50 recent answers are included