[gmx-users] reg GPU Mdrun Error
vidhya sankar
scvsankar_agr at yahoo.com
Sat Sep 7 14:06:17 CEST 2013
respected mark sir ,
Thank you fro your previous reply
When i run the production Mdrun I have got the following error
job is terminating with segmentation fault error
Back Off! I just backed up CNTPEPRSOLIONSfullplumedGPUtest2.log to ./#CNTPEPRSOLIONSfullplumedGPUtest2.log.5#
Reading file CNTPEPRSOLIONSfullGPUtest2.tpr, VERSION 4.6.1 (single precision)
Using 3 MPI threads
Using 5 OpenMP threads per tMPI thread
3 GPUs detected:
#0: NVIDIA Tesla K20m, compute cap.: 3.5, ECC: no, stat: compatible
#1: NVIDIA Tesla K20m, compute cap.: 3.5, ECC: no, stat: compatible
#2: NVIDIA Tesla K20m, compute cap.: 3.5, ECC: no, stat: compatible
3 GPUs auto-selected for this run: #0, #1, #2
NOTE: The number of threads is not equal to the number of (logical) cores
and the -pin option is set to auto: will not pin thread to cores.
This can lead to significant performance degradation.
Consider using -pin on (and -pinoffset in case you run multiple jobs).
Back Off! I just backed up CNTPEPRSOLIONSfullplumedGPUtest2.trr to ./#CNTPEPRSOLIONSfullplumedGPUtest2.trr.5#
Back Off! I just backed up CNTPEPRSOLIONSfullplumedGPUtest2.edr to ./#CNTPEPRSOLIONSfullplumedGPUtest2.edr.5#
WARNING: This run will generate roughly 27348 Mb of data
starting mdrun 'C225N99O45 in water'
10000000 steps, 20000.0 ps.
Segmentation fault (core dumped)
What is the meaning of the note ?
How to Give the command to run? i gave as follows
mdrun -s CNTPEPRSOLIONSfullplumed.tpr -plumed plumed1.dat -nb gpu -v -deffnm CNTPEPRSOLIONSfull -cpt 2
Thanks in Advance
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