Re: [OMPI users] How to check if Send was made or not before performing a recv

Alaukik Aggarwal wrote: Thanks for your reply. I used this to solve the problem. But I think there should be an in-built construct for this. What would such a construct look like? If you need information from the remote processes, they need to send messages (in the two-sided model). If y

Re: [OMPI users] Guaranteed run rank 0 on a given machine?

In a similar situation i wrote a simple shell script "rankcreate.sh" which creates a rank file assigning the various ranks to the correct processors/slots when given a number of processes. In addition, this script returns the name of this created rank file. I then use it like this: mpirun -np 5 --

Re: [OMPI users] How to check if Send was made or not before performing a recv

I was talking about functionality of MPI_Iprobe only. Thanks :) On Sun, Dec 12, 2010 at 1:18 AM, Eugene Loh wrote: > Alaukik Aggarwal wrote: > >> Thanks for your reply. I used this to solve the problem. >> >> But I think there should be an in-built construct for this. >> > > What would such a co

Re: [OMPI users] error mesages appeared but program runs successfully?

Hi Gus Correa, Thank you so much for such a detail explanation:) i understand that now. Best wishes ^_^ On Mon, Dec 6, 2010 at 7:41 AM, Gustavo Correa wrote: > Hi Daofeng > > It is hard to tell what is happening in the Infiniband side of the problem. > Did somebody perhaps remove the Infiniband