[Users] ET test failures on Stampede

Steven R. Brandt sbrandt at cct.lsu.edu
Thu Oct 30 13:26:05 CDT 2014


On 10/30/2014 01:07 PM, Erik Schnetter wrote:
> Ian
>
> As a side remark, the executables created on Trestles are not
> runnable. The test cases that nevertheless succeed on Trestles (!) are
> probably not interesting.
How does the test succeed if the executable can't run?

Cheers,
Steve
>
> -erik
>
> On Thu, Oct 30, 2014 at 11:34 AM, Ian Hinder <ian.hinder at aei.mpg.de> wrote:
>> On 30 Oct 2014, at 15:03, Erik Schnetter <schnetter at cct.lsu.edu> wrote:
>>
>>> I've begun to run the automated tests for the ET on our production
>>> machines. Things look very good almost everywhere, except on Stampede,
>>> one of the machines that is most important to us. It seems that there
>>> are many test failures for GRHydro, and these seem to be caused by
>>> segfaults. Does anybody volunteer to investigate?
>> I don't know anything about the problems with GRHydro.
>>
>> I was having problems a while back with the current simfactory default version of mvapich2, and TACC support suggested I try the mvapich2-x version.  The problem I saw was the MPI reductions would hang.  I have been using that for a few months with no problems.  The required change to the optionlist is:
>>
>>> < MPI_DIR  = /opt/apps/intel13/mvapich2/1.9
>>> ---
>>>> MPI_DIR  = /home1/apps/intel13/mvapich2-x/2.0b
>>>> MPI_LIB_DIRS = /home1/apps/intel13/mvapich2-x/2.0b/lib64
>>
>> At least, this was before the changes to the MPI thorn.  It's possible that this is no longer enough.
>>
>> Should we change to this version in simfactory for the release?
>>
>> --
>> Ian Hinder
>> http://numrel.aei.mpg.de/people/hinder
>>
>
>



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