MPI_Bcast(buffer,count,datatype,root,MPI_COMM) MPI_Gather(send_buf,send_cnt,send_type,recv_buf,recv_cnt,recv_type,root,MPI_COMM) MPI_Scatter(send_buf,send_cnt,send_type,recv_buf,recv_cnt,recv_type,root,MPI_COMM) MPI_Reduce(send_buf,recv_buf,count,data_type,operation,root,MPI_COMM) MPI_Alltoall(send_buf,send_cnt,send_type,recv_buf,recv_cnt,recv_type,MPI_COMM) MPI_Allgather= gather+ broadcast MPI_..
