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Subject: Re: [OMPI users] One-sided datatype errors
From: Rolf vandeVaart (rolf.vandevaart_at_[hidden])
Date: 2010-12-14 10:05:17


Hi James:
I can reproduce the problem on a single node with Open MPI 1.5 and the
trunk. I have submitted a ticket with
the information.

https://svn.open-mpi.org/trac/ompi/ticket/2656

Rolf

On 12/13/10 18:44, James Dinan wrote:
> Hi,
>
> I'm getting strange behavior using datatypes in a one-sided
> MPI_Accumulate operation.
>
> The attached example performs an accumulate into a patch of a shared
> 2d matrix. It uses indexed datatypes and can be built with
> displacement or absolute indices (hindexed) - both cases fail. I'm
> seeing data validation errors, hanging, or other erroneous behavior
> under OpenMPI 1.5 on Infiniband. The example works correctly under
> the current release of MVAPICH on IB and under MPICH on shared memory.
>
> Any help would be greatly appreciated.
>
> Best,
> ~Jim.
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