Dear ALL

*I'm trying to do phonon calculation for  graphene monolayer *


*with high q-point and kpoint 30x30x30 and 60x60x60 respectively*


*using qe-6.0 the scf run with out errro but for phonon calculation **when I *

* start the calculation with -image flag I get always the following error:*


*without -image the the calculation run without error*


*but too slow *

*second  *my HPC is 12 cpu per node and 24GB ram using intel

MKL is there any mechanismto  speedup the calculation

I try many option still slow any suggestion

Thanks in advance



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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     Error in routine phq_readin (1):
     saving dvscf to file images not implemented
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%

     stopping ...


 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%
     Error in routine phq_readin (1):
     saving dvscf to file images not implemented
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%
     Error in routine phq_readin (1):
     saving dvscf to file images not implemented
Alwaleed Ahmed Adllan Ph.D


*Technical Operations Manager Sudan Center for HPC and Grid Computing *

*Africa City of Technology*
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