1. Introduction to Parallel Processing
Working on the Educational Cluster
“hobbit”
Guy Tel-Zur

2. Logging in

3. Basic Linux Commands

4. Our First MPI program

5. Compiling and Executing

6. Cluster Monitoring

7. Different MPI packages
You can always try: mpirun -h
&
mpiexec -machinefile ./machinefile -np 4 ./hellow
Hello world from process 0 of 4
Hello world from process 1 of 4
Hello world from process 3 of 4
Hello world from process 2 of 4

8. cpilog Discuss this program with the students
Ref: /home/telzur/mpi/mpe/cpilog.c

9. Profiling a demo from my laptop
~/mpich2-install/bin/mpirun -machinefile ../machinefile -np 4 ./cpilog
Process 0 running on gtz2
Process 2 running on gtz2
Process 1 running on gtz2
Process 3 running on gtz2
pi is approximately , Error is
wall clock time =
Writing logfile....
Enabling the Default clock synchronization...
Finished writing logfile ./cpilog.clog2.

10. Profiling - log file conversion
clog2TOslog2 ./cpilog.clog2
GUI_LIBDIR is set. GUI_LIBDIR = /usr/local/lib
SLOG-2 Header:
version = SLOG 2.0.6
NumOfChildrenPerNode = 2
TreeLeafByteSize = 65536
MaxTreeDepth = 0
MaxBufferByteSize = 6010
Categories is 6118)‏
MethodDefs is 0)‏
LineIDMaps is 6753)‏
TreeRoot is 108)‏
TreeDir is 6985)‏
Annotations is 0)‏
Postamble is 0)‏
Number of Drawables = 204
Number of Unmatched Events = 0
Total ByteSize of the logfile = 14168
timeElapsed between 1 & 2 = 38 msec
timeElapsed between 2 & 3 = 139 msec

11. Starting Jumpshot4
~/mpich2-install/bin/jumpshot ./cpilog.slog2

13. Parallel Debugger