[Q-e-developers] Problem with trunk and intel-MPI

[Paolo Giannozzi]

For any input? on specific inputs only? any compiler/mpi libraries?
some specific combination thereof?

Paolo

On Fri, Apr 28, 2017 at 6:39 PM, Martin Schlipf
<martin.schlipf at gmail.com> wrote:
> I tracked the issue and it happens somewhere in the subroutine
> read_file(). The error message that I get is
>
> PMPI_Bcast(1635): MPI_Bcast(buf=(nil), count=1, MPI_INTEGER, root=0,
> comm=0xc4000001) failed
>
> which looks to me like we try to broadcast an array that is not allocated.
>
> -Martin
>
> On 28/04/17 17:24, Paolo Giannozzi wrote:
>> I haven't noticed any such problem, but I haven't done extensive tests
>> recently. Without more information on what exactly fails how under
>> which circumstances, it is hard to say more
>>
>> Paolo
>>
>> On Fri, Apr 28, 2017 at 3:57 PM, Samuel Poncé <samuel.pon at gmail.com> wrote:
>>> Dear developers,
>>>
>>> Martin and I are currently performing scaling tests with different compilers
>>> and libraries.
>>>
>>> We noticed that the current svn trunk work for scf calculation but not when
>>> restart (like nscf calculations) when using intel-MPI (we tested both 2016
>>> and 2017).
>>>
>>> The problem seems to also appear with mvapich2.
>>>
>>> This seems correlated with the recent introduction of default xml ?
>>>
>>> Note that the r13459 and before are fine with all of those.
>>>
>>>
>>> Best,
>>> Samuel
>>>
>>> --
>>>
>>> ------------------------------------------------------------------------------------------------
>>>      Dr. Samuel Poncé
>>>      Department of Materials
>>>      University of Oxford
>>>      Parks Road
>>>      Oxford OX1 3PH, UK
>>>
>>>      Phone: +44 1865 612789
>>>      email: samuel.ponce at materials.ox.ac.uk
>>>      web: http://giustino.materials.ox.ac.uk/index.php/Site/SamuelPonc%e9
>>> ------------------------------------------------------------------------------------------------
>>>
>>>
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>>>
>>
>>
>
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-- 
Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222