Learning by doing :: MPI -- MPI Environmental Management, Part 1

This video is part of the new series called "Learning by doing :: MPI" which serves as an introductory course on MPI (Message Passing Interface). In this video we talked about environmental management in MPI! This topic corresponds to chapter 9 of the MPI standard v4.1. It is a short chapter on the contrary to the chapters we've had so far. We followed the same pattern as for "Datatypes in MPI" by dividing a chapter into digestible ~25 mins long parts. In part 1 we briefly talked about what this chapter is about to be and then continued with version inquiry section. We mentioned one could achieve version info with macros and standard MPI functions MPI_Get_version and MPI_Get_library_version. Then we moved on to environmental inquiries section where we talked about three attributes namely MPI_TAG_UB, MPI_IO and MPI_WTIME_IS_GLOBAL and we presented a very simple C example to retrieve and print their corresponding information to the console. Finally, we talked about MPI_Get_processor_name and showed a simple example for that but we didn't have time to finish the whole example.

All the necessary info you need for MPI standard can be downloaded from here : https://www.mpi-forum.org/docs/mpi-4....

If you want to download MPICH, please visit here : https://www.mpich.org/downloads/
* The latest version at the time of this video is mpich-4.2.2

Hope you learned something from this video. If you have further questions don't hesitate to comment down below. Have fun!