...

soheil@soheil-desktop:~/mpich-3.0.4$ mpiexec -n 4 ./examples.cpi [proxy:0:0@soheil-desktop] HYDU_create_process (./utils/launch/launch.c:75): execvp error on file ./examples.cpi (No such file or directory) [proxy:0:0@soheil-desktop] HYDU_create_process (./utils/launch/launch.c:75): execvp error on file ./examples.cpi (No such file or directory) [proxy:0:0@soheil-desktop] HYDU_create_process (./utils/launch/launch.c:75): execvp error on file ./examples.cpi (No such file or directory) [proxy:0:0@soheil-desktop] HYDU_create_process (./utils/launch/launch.c:75): execvp error on file ./examples.cpi (No such file or directory)

The path should be ./examples/cpi but you typed ./examples.cpi?

Maybe it would help if Hydra used TTY options to make errors like "No such file or directory" show up in red the way Clang does :-) Jeff -- Jeff Hammond [email protected]