Re: [OMPI users] RoCE (IBoE) & OpenMPI

2011-02-19 Thread Shamis, Pavel
As far as I remember we don't allow to user to specify SL for RoCE. RoCE considered kinda ethernet device and RDMACM connection manager is used to setup the connections. it means that in order to select network X or Y, you may use ip/netmask (btl_openib_ipaddr_include) . Pavel (Pasha) Shamis -

[OMPI users] Selecting different processors during function

2011-02-19 Thread Alexandre Barrozo
Hi everybody, I'm trying to write a routine that, if a certain condition is met, it transfers a specific string from processor A to processor B. However, during this transfer, I have to access the processor B within the same function (the function was accessed on A, but I need to go to B to put t

Re: [OMPI users] Selecting different processors during function

2011-02-19 Thread Ralph Castain
Your question actually doesn't make sense in an MPI application. In MPI, you would have two independent processes running. One does the send, and the other does the receive. Both processes are running all the time, each on its own processor. So you don't "switch" to another processor - the rece