[mpich-discuss] Access window from spawned processes

[Balaji, Pavan]

No, for two reasons:

1. When you created the MPI window, you already gave the communicator that has access to it.  So new processes not in the original communicator have no access to the window.

2. RMA is not defined for intercommunicators.

  -- Pavan

> On Mar 13, 2017, at 3:51 AM, Ask Jakobsen <afj at qeye-labs.com> wrote:
> 
> Hi all,
> 
> Is it possible to create an MPI window and later by dynamic process management spawn new processes that can access the parent window? If so can someone sketch how it is done?
> 
> Best regards, Ask
> 
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