Run MPI Programs in Eclipse with 1-Click

1. Click on the project name in Project Explorer.
2. Right click and choose "Properties"
3. Choose "Run/Debug Settings"
4. Edit one of the launch configurations or create a new one.
5. Under the tab "Main", change C/C++ Application to be "/usr/local/bin/mpirun"
6. Go to the tab "Arguments", change the program arguments to be "-np 4 ${workspace_loc:project_name}/Debug/project_name"

Then you can press "Ctrl+F11" to run your MPI program in Eclipse.