<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'><br>Akshar bhosale wrote: <div><br>>When i do:</div><div>><br>>/usr/local/mpich-1.2.6/bin/mpicc -o test test.c ,i get test ;but when i do<br>>/usr/local/mpich-1.2.6/bin/mpirun -np 4 test,i get</div><div>><br>>p0_31341: p4_error: Path to program is invalid while starting<br>>/home/npsf/last with rsh on dragon: -1<br>>p4_error: latest msg from perror: No such file or directory error.</div><div>><br>>please suggest the solution.</div><div><br></div><div>Looks like the directory that your MPI executable 'test' is in is:</div><div><br></div><div>/home/npsf/last</div><div><br></div><div>Correct? This directory needs to be visible on each node used</div><div>by MPI to run your program. You might also need to put a ./ in</div><div>front of the name of the executable, as in ./test . You also need</div><div>be able the 'rsh' to each of those nodes. Because you have not</div><div>specified a 'machines' file, MPI is using the default file in the install</div><div>tree which normally lists the nodes in simple sequence. Still, I</div><div>think the problem option 1 or 2 above.</div><div><br></div><div>rbw </div><div>_______________________________________________<br>Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing<br>To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf<br></div></div></body></html>