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Subject: Re: [OMPI users] error from MPI_Allgather
From: rajesh (chithrasala_at_[hidden])
Date: 2012-10-30 02:23:55


Jeff Squyres <jsquyres <at> cisco.com> writes:

>
> Two things:
>
> 1. That looks like an MPICH error message (i.e., it's not from Open MPI --
Open MPI and MPICH2 are entirely
> different software packages with different developers and behaviors). You
might want to contact them
> for more specific details.
>
> 2. That being said, it looks like you used the same buffer for both the sbuf
and rbuf. MPI does not allow you to
> do that; you need to specify different buffers for those arguments.
> >

Hi Jeff,
Thank you for your reply.

The problem occurs with openmpi. I could understand the problem as you said in
the reply. But how can I set different buffers for them?
thank you

Rajesh