[QE-users] [SUSPECT ATTACHMENT REMOVED] QE-GPU version 6.5: cegterg cannot allocate vc_d

Simone Del Puppo delpupposimone at gmail.com
Wed May 27 14:01:03 CEST 2020


Hi everybody,
I have a problem with version 6.5 of quantum espresso with gpu.
I run the relax simulation ( input file attached) but after some bfgs steps
it stops with the following error message:
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%
     task #         1
     from  cegterg  : error #         1
      cannot allocate vc_d
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%
It seems to be a memory problem but the RAM estimate in output file:
     Estimated max dynamical RAM per process >       8.60 GB
     Estimated total dynamical RAM >      34.38 GB

Is much less then the allocated ones!
Can someone kindly help me, please?? Input file is attached.
Thank you in advance.

Best,
Simone


Simone Del Puppo
PhD
Department of physics,
University of Trieste
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