[Users] Error in BNS Simulation at Cluster

Steven R. Brandt sbrandt at cct.lsu.edu
Wed Aug 11 14:18:20 CDT 2021


What SubmitScript and RunScript are you using? Can you show us? Thanks.

--Steve

On 8/10/2021 2:35 AM, Shamim Haque wrote:
> Hello,
>
> I am trying to run the BNS simulation on the cluster at IISER Bhopal. 
> Upon using 2 nodes (16x2 cores) my simulation stalled at this message:
> /The environment variable CACTUS_NUM_PROCS is set to 32, but there are 
> 1 MPI processes. This may indicate a severe problem with the MPI 
> startup mechanism./
> /APPLICATION TERMINATED WITH THE EXIT STRING: Aborted (signal 6)
> /
>
> The command fed into the simfactory via jobscript is as follows:
>
> /time mpirun /home2/mallick/ET/Cactus/simfactory/bin/sim create-submit 
> nsns30 --basedir=/home2/mallick/simulations --procs=32 --ppn=16 
> --num-threads=1 --num-smt=1 --ppn-used=16 --parfile 
> /home2/mallick/ET/Cactus/parfile/nsns_vlr_mass_diff.par 
> --walltime=24:00:00//*
> */
>
> I could not figure out the issue. I am also struggling with setting up 
> the machine scripts as per the cluster, so I am not sure if that is 
> somehow hampering the simulation.
>
> Thanks in advance for helping me with this issue. I have attached the 
> concerned scripts and outputs for reference.
>
> Regards
> Shamim Haque
> Junior Research Fellow (JRF)
> Department of Physics
> IISER Bhopal
>>
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