Hi,

Does ipoib need to be configured on the ib cards for mxm (I have a separate
ethernet connection too)? Also are there special flags in mpirun to select
from UD/RC/DC? What is the default?

Thanks,
Subhra.


On Tue, Mar 31, 2015 at 9:46 AM, Mike Dubman <mi...@dev.mellanox.co.il>
wrote:

> Hi,
> mxm uses IB rdma/roce technologies. Once can select UD/RC/DC transports to
> be used in mxm.
>
> By selecting mxm, all MPI p2p routines will be mapped to appropriate mxm
> functions.
>
> M
>
> On Mon, Mar 30, 2015 at 7:32 PM, Subhra Mazumdar <
> subhramazumd...@gmail.com> wrote:
>
>> Hi MIke,
>>
>> Does the mxm mtl use infiniband rdma? Also from programming perspective,
>> do I need to use anything else other than MPI_Send/MPI_Recv?
>>
>> Thanks,
>> Subhra.
>>
>>
>> On Sun, Mar 29, 2015 at 11:14 PM, Mike Dubman <mi...@dev.mellanox.co.il>
>> wrote:
>>
>>> Hi,
>>> openib btl does not support this thread model.
>>> You can use OMPI w/ mxm (-mca mtl mxm) and multiple thread mode lin 1.8
>>> x series or (-mca pml yalla) in the master branch.
>>>
>>> M
>>>
>>> On Mon, Mar 30, 2015 at 9:09 AM, Subhra Mazumdar <
>>> subhramazumd...@gmail.com> wrote:
>>>
>>>> Hi,
>>>>
>>>> Can MPI_THREAD_MULTIPLE and openib btl work together in open mpi
>>>> 1.8.4? If so are there any command line options needed during run time?
>>>>
>>>> Thanks,
>>>> Subhra.
>>>>
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>>>>
>>>
>>>
>>>
>>> --
>>>
>>> Kind Regards,
>>>
>>> M.
>>>
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>>
>>
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>
>
>
> --
>
> Kind Regards,
>
> M.
>
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