[OMPI users] Gigabit ethernet (PCI Express) and openmpi v1.2.4

2007-12-16 Thread Allan Menezes
Hi, How many PCI-Express Gigabit ethernet cards does OpenMPI version 1.2.4 support with a corresponding linear increase in bandwith measured with netpipe NPmpi and openmpi mpirun? With two PCI express cards I get a B/W of 1.75Gbps for 892Mbps each ans for three pci express cards ( one built int

Re: [OMPI users] MPI::Intracomm::Spawn and cluster configuration

2007-12-16 Thread Bruno Coutinho
Try using the info parameter in MPI::Intracomm::Spawn(). In this structure, you can say in which hosts you want to spawn. Info parameters for MPI spawn: http://www.mpi-forum.org/docs/mpi-20-html/node97.htm 2007/12/12, Elena Zhebel : > > Hello, > > I'm working on a MPI application where I'm usin