This lesson is about the Message Passing Interface or MPI, a way to write parallel programs that run on multiple computers.
Prerequisites
Comfortable programming in either C, C++, or Fortran.
This lesson is about the Message Passing Interface or MPI, a way to write parallel programs that run on multiple computers.
Prerequisites
Comfortable programming in either C, C++, or Fortran.
| Setup | Download files required for the lesson | |
| 00:00 | 1. Introduction |
Why use MPI?
What is MPI? How do I run an MPI program? |
| 00:25 | 2. MPI Hello World |
What does a basic MPI program look like?
How do I compile an MPI program? How can I find out about more MPI functions? |
| 00:50 | 3. Hello World in detail |
What order are MPI programs executed?
What do the MPI functions in hello-world do? What is a communicator? |
| 01:00 | 4. Send and receive |
What is point-to-point communication?
What is collective communication? How to pass a point-to-point message? |
| 01:25 | 5. More than two processes | How do we manage communication among many processes? |
| 02:00 | 6. Blocking and buffering | Is there an easier way to manage multiple processes? |
| 02:25 | 7. Collective communication | What is the best way to do global sums and the like in MPI? |
| 02:50 | 8. Diffusion simulation | What is involved in adapting a whole program to MPI? |
| 03:30 | 9. Where to go next | Where can I learn more about MPI? |
| 03:35 | Finish |
The actual schedule may vary slightly depending on the topics and exercises chosen by the instructor.