Re: [OMPI users] Why should the attached code wait on MPI_Bcast

Hi, s anwar wrote: > Please see attached source file. > > According to my understanding of MPI_Comm_spawn(), the intercommunicator > returned is the same as it is returned by MPI_Comm_get_parent() in the > spawned processes. I am assuming that there is one intercommunicator > which contains all

Re: [OMPI users] Openmpi, LSF and GM

Dear Brian, Thanks for the help Brian Barrett wrote: > > The arguments you want would look like: > > > >mpirun -np X -mca btl gm,sm,self -mca btl_base_verbose 1 -mca > > btl_gm_debug 1 Aha. I think I had misunderstood the syntax slightly, which explains why I previously saw no debugging

Re: [OMPI users] MPI_Info for MPI_Open_port

On Tue, Jul 11, 2006 at 12:14:51PM -0400, Abhishek Agarwal wrote: > Hello, > > Is there a way of providing a specific port number in MPI_Info when using a > MPI_Open_port command so that clients know which port number to connect. The other replies have covered this pretty well but if you are

Re: [OMPI users] Why should the attached code wait on MPI_Bcast

hi, yes sorry for my first reply, my words were to rough. a bcast for a intercomm works this way (in your words): - your masters want to send a buffer to your slaves - one of the masters must provide the MPI_ROOT as root in the MPI_BCAST call - all slaves must provide the rank of this MPI_ROOT

Re: [OMPI users] Why should the attached code wait on MPI_Bcast

hi, s anwar wrote: > Thank you for the clarification. Why is MPI_COMM_SELF not the correct > communicator for MPI_Comm_spawn(). My application will have a single > master only. yes for a single master this should be the same, but never try this. > > Also, can I merge the intercommunicator into

Re: [OMPI users] Why should the attached code wait on MPI_Bcast

Thanks. On 7/18/06, Bert Wesarg wrote: hi, s anwar wrote: > Thank you for the clarification. Why is MPI_COMM_SELF not the correct > communicator for MPI_Comm_spawn(). My application will have a single > master only. yes for a single master this should be the

[OMPI users] Summary of OMPI on OS X with Intel

Okay...this isn't a performance summary or anything like that. Its just some information on what I was able to get to work. With a couple of suggestions from Brian Barrett about building OMPI with static libraries (possible problem with GNU libtool support for the Intel compiler on OS X?).