Thank you! Sang Chul
On May 20, 2010, at 2:39 AM, jody wrote: > Hi > mpirun has an option for this (check the mpirun man page): > > -tag-output, --tag-output > Tag each line of output to stdout, stderr, and > stddiag with [jobid, rank]<stdxxx> indicating the process jobid and > rank that generated the > output, and the channel which generated it. > > Using this you can filter the entire output by grepping for the required rank. > > Another possibility is to use the option > -xterm, --xterm <ranks> > Display the specified ranks in separate xterm windows. > The ranks are specified as a comma-separated list of ranges, with a -1 > indicating all. > A separate window will be created for each specified > rank. Note: In some environments, xterm may require that the > executable be in the user’s > path, or be specified in absolute or relative terms. > Thus, it may be necessary to specify a local executable as "./foo" > instead of just "foo". > If xterm fails to find the executable, mpirun will hang, > but still respond correctly to a ctrl-c. If this happens, please > check that the exe- > cutable is being specified correctly and try again. > > That way you can open a single terminal window for the process you are > interested in. > > > Jody > > > On Thu, May 20, 2010 at 1:28 AM, Sang Chul Choi <gos...@gmail.com> wrote: >> Hi, >> >> I am wondering if there is a way to run a particular process among multiple >> processes on the console of a linux cluster. >> >> I want to see the screen output (standard output) of a particular process >> (using a particular ID of a process) on the console screen while the MPI >> program is running. I think that if I run a MPI program on a linux cluster >> using Sun Grid Engine, the particular process that prints out to standard >> output could run on the console or computing node. And, it would be hard >> to see screen output of the particular process. Is there a way to to set >> one process aside and to run it on the console in Sun Grid Engine? >> >> When I run the MPI program on my desktop with quad cores, I can set aside >> one process using an ID to print information that I need. I do not know how >> I could do that in much larger scale like using Sun Grid Engine. I could >> let one process print out in a file and then I could see it. I do not know >> how I could let one process to print out on the console screen by setting it >> to run on the console using Sun Grid Engine or any other similar thing such >> as PBS. I doubt that a cluster would allow jobs to run on the console >> because then others users would have to be in trouble in submitting jobs. >> If this is the case, there seem no way to print out on the console. Then, >> do I have to have a separate (non-MPI) program that can communicate with MPI >> program using TCP/IP by running the separate program on the master node of a >> cluster? This separate non-MPI program may then communicate sporadically >> with the MPI program. I do not know if this is a general approach or a >> peculiar way. >> >> I will appreciate any of input. >> >> Thank you, >> >> Sang Chul >> >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users >> > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
