unsigned int rank = comm->rank();
// get size of single element's type for send buffer and recv buffer
- send_chunk = smpi_datatype_get_extent(send_type);
- recv_chunk = smpi_datatype_get_extent(recv_type);
+ send_chunk = send_type->get_extent();
+ recv_chunk = recv_type->get_extent();
// multiply size of each element by number of elements to send or recv
send_chunk *= send_count;