distributed_compute

Hands On excercise related to parallel compute using mpi

To install OpenMPI on (Ubuntu) Linux

Option 1:

1. sudo apt-get install libopenmpi-dev
2. sudo apt-get install openmpi-bin this will get enable the mpicc and mpirun command

Option 2:

1. create folder named openmpi under $HOME
2. Download latest openmpi-xxx.tar.gz from open-mpi.org
3. sudo apt update && sudo apt install build-essential
4. extract the zip file tar -xzvf openmpi-xxx.tar.gz => one more sub directory (compilation directory)
5. run ./configure --prefix=$HOME/openmpi
6. make all
7. make install (it will create bin, lib... under OpenMPI)
8. Update $PATH and $LD_LIBRARY_PATH

OpenMP on (Ubuntu) Linux gcc has option by default Reference material : Introduction to OpenMP - Tim Mattson (Intel) https://www.youtube.com/watch?v=nE-xN4Bf8XI&list=PLLX-Q6B8xqZ8n8bwjGdzBJ25X2utwnoEG