Mohammad, where are you? which university?
Sorry I have not been keeping up with your problems but I will start
doing that once I clear cactuscode beta 13 release this friday. glad to
see a Mohammad on the mailing list. Thought I was the only one!
Regards
Yaakoub
On Wed, 2004-03-24 at 10:39, ELKANOUNI Mohammed wrote:
> The only way to detect if program is running is checking the running process
> by system command ps.
> You can use this command on your c program by using the c command int
> system(const char *string)
> For script program i have no idea.
> I hope this would be helpful for you
>
> <html><DIV>
> <DIV> </DIV></DIV></html>
>
>
>
>
>
> >From: Edwin Vollebregt <edwin.vollebregt_at_[hidden]>
> >Reply-To: General LAM/MPI mailing list <lam_at_[hidden]>
> >To: lam_at_[hidden]
> >Subject: LAM: Detecting whether MPI is running
> >Date: Wed, 24 Mar 2004 14:18:31 +0100
> >
> >
> >Hello,
> >
> >Does anyone have suggestions for the following situation:
> >
> >We have parallelized a program with PVM in such a way that the same
> >executable can be used for stand-alone sequential runs as well as for
> >master-slave parallel runs. Now we are porting to MPI.
> >
> >The application is started by a shell script with option -npart
> <xx>: number
> >of parts to be used in the decomposition.
> >
> > if [ $npart -le 1 ]; then
> > program.exe
> > else
> > mpiexec -machinefile ... -n 1 master.exe < config
> > # --> master starts the appropriate number of instances of
> program.exe
> > fi
> >
> >The problem is that calling MPI_Init in a sequential run kills the
> program
> >because LAM has not been booted.
> >
> >How can we detect whether MPI is running within the program ?
> >
> >This problem is similar to "detecting mpirun" on the archive
> of the
> >mailinglist. It is a slightly different scenario than the ones I found
> >there, so maybe there are different options.
> >
> >Any thoughts ?
> >
> >Thanks,
> > Edwin
> >--
> >
> _______________________________________________________________________
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> >|_______________________________________________________________________|
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