sp_mv_preprocess# nvmath.bindings.cusparse.sp_mv_preprocess( intptr_t handle, int op_a, intptr_t alpha, intptr_t mat_a, intptr_t vec_x, intptr_t beta, intptr_t vec_y, int compute_type, int alg, intptr_t external_buffer, )[source]# See cusparseSpMV_preprocess.