[mpich-discuss] MPI_Barrier() failed

[Pavan Balaji]

There's no time limit in barrier. The problem might be something else. 
Which version of MPICH2 are you using? Also can you send some more 
information on the error?

  -- Pavan

On 06/28/2011 09:11 PM, 王凯 wrote:
> Hi!
> I have two computer in the MPI program, and I use the function
> mpi_barrier(MPI_COMM_WORLD) to synchronize the two process on the two
> computer.
> One of the process is running more slower than the other one because two
> different GPUs is on the two computer. I got "fatal error in
> PMPI_Barrier" and "connect failed--the semaphore timeout period has
> expired".
> Is there a time limitation in the mpi_barrier()?
>
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-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji