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Subject: Re: [OMPI users] Open MPI ERR_TRUNCATE: message truncated
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2010-06-29 07:09:17


I don't know exactly what it means in boost.mpi. What it means in MPI is that you posted a receive that was too short to accommodate the incoming message. For example, you posted a receive of 4 bytes, but the incoming message was 1024 bytes long. That's a truncate error.

On Jun 28, 2010, at 11:38 PM, Jack Bryan wrote:

> Dear All,
>
> I am using Open MPI : mpirun (Open MPI) 1.3.4
>
> I got error:
>
> terminate called after throwing an instance of 'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<boost::mpi::exception> >'
> what(): MPI_Test: MPI_ERR_TRUNCATE: message truncated
>
> I installed boost MPI library and compile and run the program by openMPI.
>
> It seems that the message has been truncated by the receiver.
>
> How can I fix the problem ?
>
> Is it a bug of OpenMPI ?
>
> Any help is appreciated.
>
> Jack
>
> June 28 2010
>
>
>
>
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-- 
Jeff Squyres
jsquyres_at_[hidden]
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