Perhaps Nathan can comment on the status of the native Gemini work in Open MPI...
On Oct 14, 2013, at 11:40 AM, Ray Sheppard <rsheppar_at_[hidden]> wrote:
> Hi Jeff,
> On the Cray are two modes. ESM is the preferred method but some packages require the CCM (cluster compatibility mode). In ESM, MPI is transparent and works great. In CCM, an external MPI is needed. There is supposed to a translator to make the Gemini switch look like IB, but it does not exactly work. So, I am stuck with the TCP interface for message passing.
> On 10/14/2013 11:28 AM, Jeff Squyres (jsquyres) wrote:
>> Just curious -- why are you using the TCP transport on a Cray?
>> On Oct 14, 2013, at 11:00 AM, Ray Sheppard <rsheppar_at_[hidden]> wrote:
>>> Thanks Ralph, Thanks Jeff,
>>> I should have written sooner. I spent the weekend trying to set it as a configure option.
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