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matvec-sparse

Sparse matrix-vector multiplication using MPI library

Usage:

mpirun -np N_PROCCESSES matvec_* INPUT [OUTPUT]

You can check out the different versions below:

Version Description
matvec_seq Sequential (non-parallel) version
matvec_mpi_bcast Parallel version: vector x is broadcasted to every process
matvec_mpi_p2p Parallel version: vector x is split among the processes

Note that INPUT must be a file in MatrixMarket coordinate format (which is explained here in details).