[OMPI users] mpi_comm_spawn question

of this. Thanks, Milan Hodoscek -- National Institute of Chemistry tel:+386-1-476-0278 Hajdrihova 19fax:+386-1-476-0300 SI-1000 Ljubljanae-mail: mi...@cmm.ki.si Slovenia

Re: [OMPI users] mpi_comm_spawn question

> "George" == George Bosilca writes: George> Why are you using system() the second time ? As you want George> to spawn an MPI application calling MPI_Call_spawn would George> make everything simpler. Yes, this works! Very good trick... The system routine

[OMPI users] mpi_comm_spawn have problems with group communicators

Hi, I am a long time happy user of mpi_comm_spawn() routine. But so far I used it only with the MPI_COMM_WORLD communicator. Now I want to execute more mpi_comm_spawn() routines, by creating and using group communicators. However this seems to have some problems. I can get it to run about 50%

Re: [OMPI users] mpi_comm_spawn have problems with group communicators

> "Ralph" == Ralph Castain writes: Ralph> I'm not sure why the group communicator would make a Ralph> difference - the code area in question knows nothing about Ralph> the mpi aspects of the job. It looks like you are hitting a Ralph> race condition that

Re: [OMPI users] mpi_comm_spawn have problems with group communicators

>>>>> "Ralph" == Ralph Castain <r...@open-mpi.org> writes: Ralph> On Oct 4, 2010, at 10:36 AM, Milan Hodoscek wrote: >>>>>>> "Ralph" == Ralph Castain <r...@open-mpi.org> writes: >> Ralph> I'm not su