[openib-general] Re: [PATCH][RFC][0/4] InfiniBand userspace verbs implementation

[Greg Lindahl]

On Tue, May 03, 2005 at 11:43:25AM -0700, Andy Isaacson wrote:

> [1] You might want to allow the child to start a completely new RDMA
>     context, but I don't see that as necessary.

Some people use a hybrid OpenMP+MPI model, so some MPI implementations
want to fork and have the child open a new communications context.
This is fairly rare, but unfortunately is a checklist item for most
MPI implementations, and this will get worse over time.

-- greg