[Users] ET test failures on Stampede

Erik Schnetter schnetter at cct.lsu.edu
Thu Oct 30 13:07:24 CDT 2014


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.

-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
>



-- 
Erik Schnetter <schnetter at cct.lsu.edu>
http://www.perimeterinstitute.ca/personal/eschnetter/


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