Re: [OMPI users] Implementing a new BTL module in MCA

2010-08-03 Thread Nysal Jan
You can find the template for a BTL in ompi/mca/btl/template (You will find this on the subversion trunk). Copy and rename the folder/files. Use this as a starting point. For details on creating a new component (such as a new BTL) look here - https://svn.open-mpi.org/trac/ompi/wiki/devel/CreateComp

Re: [OMPI users] OpenIB Error in ibv_create_srq

2010-08-03 Thread Terry Dontje
Sorry, I didn't see your prior question glad you found the btl_openib_receive_queues parameter. There is not a faq entry for this but I found the following in the openib btl help file that spells out the parameters when using Per-peer receive queue (ie receive queue setting with "P" as the fir

Re: [OMPI users] OpenIB Error in ibv_create_srq

2010-08-03 Thread Allen Barnett
Hi: In response to my own question, by studying the file mca-btl-openib-device-params.ini, I discovered that this option in OMPI-1.4.2: -mca btl_openib_receive_queues P,65536,256,192,128 was sufficient to prevent OMPI from trying to create shared receive queues and allowed my application to run t

[OMPI users] Implementing a new BTL module in MCA

2010-08-03 Thread Simone Pellegrini
Deal all, I need to implement an MPI layer on top of a message passing library which is currently used in a particular device where I have to run MPI programs ( very vague, I know :) ). Instead of reinventing the wheel, my idea was to reuse most of the Open MPI implementation and just add a n

Re: [OMPI users] MPIRUN Error on Mac pro i7 laptop and linux desktop

2010-08-03 Thread Eugene Loh
christophe petit wrote: Thanks for your answers, the execution of this parallel program works fine at my work, but we used MPICH2. I thought this will run with OPEN-MPI too. In your input deck, how big are x_domains and y_domains -- that is, iconf(3) and iconf(4)?  Do they have to be chan