[mvapich-discuss] Dynamically add node to communicator

[Jonathan Perkins]

On Sat, Feb 25, 2012 at 06:08:28PM +0800, Rui Wang wrote:
> Hi all,
> 
>  
> 
> Does Mvapich support dynamically add a node to a communicator? That is, at
> the very beginning, I initiated a task on several nodes. I also have defined
> a spare node pool. During the execution, I'd like to start a new process on
> a node from the spare node pool. Is it possible?

Hi, it sounds like you'd like to use Dynamic Process Management (DPM)
which is available in MVAPICH2.  To find out more about this please see
the appropriate MVAPICH2 and MPI-2 documentation.

MVAPICH2 Userguide
http://mvapich.cse.ohio-state.edu/support/user_guide_mvapich2-1.8_alpha2.html#x1-380005.2.5
http://mvapich.cse.ohio-state.edu/support/user_guide_mvapich2-1.8_alpha2.html#x1-21800011.72

MPI 2.2 Standard (Look for Process Creation and Management)
http://www.mpi-forum.org/docs/mpi22-report/mpi22-report.htm

> 
>  
> 
> Thanks for your attention~
> 
>  
> 
> Best Regards,
> 
>  
> 
> Rui
> 

-- 
Jonathan Perkins
http://www.cse.ohio-state.edu/~perkinjo