[CSC 435] Class on Monday

[Andrew J. Pounds]

Guys -- it took a lot of work this weekend, and I am still waiting on IT 
to complete their configuration changes, but the newest version of MPI 
is compiled and working on the cluster in Godsey.

There is some bad news though --

1. You will need make changes to your .bashrc file to point to the 
location of the newly compiled MPI stuff

     In a former exercise I had you add the following to your .bashrc

export PATH="${PATH}:/usr/lib64/openmpi/bin:."

      export LD_LIBRARY_PATH="/usr/local/lib:/usr/local/lib64:/usr/lib64/openmpi/lib”

      Delete those lines and replace with

export MPI_PATH="/usr2/MPI"
     export PATH="${PATH}:${MPI_PATH}/bin:."
     export 
LD_LIBRARY_PATH="/usr/local/lib:/usr/local/lib64:${MPI_PATH}/lib"

2. You will have to REBUILD all of your ssh keys to match the new 
hostnames.  Here are the instructions 
<https://docs.google.com/document/d/1FNjbIc6t8-2Z-GnJsWIzn4LU0N0SBil3vtviLbxiyRU/edit?usp=sharing> 
on how to do that.


3.  Once you have done this, log out and log back in -- make sure that 
you can log into henry without a password.  On henry you can check the 
ability to log into all of the systems without a password by runing my 
script

     /tmp/checkup.pl


I have an off-campus meeting at 11:45, so I will be leaving class early 
on Monday.  I need you to come to the classroom and try and get all this 
done so we can move on with the MPI assignments on Wednesday.   The good 
news is that we can now use THE UPDATED COMPILER suite for any 
MPI/PTHREAD/OpenMP programming.  Hopefully I can also get this to work 
with CUDA!



-- 
*/Andrew J. Pounds, Ph.D./*
/Professor of Chemistry and Computer Science/
/Director of the Computational Science Program/
/Mercer University, Macon, GA 31207 (478) 301-5627/
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