[Pw_forum] IS DUAL CORE 2.7 GHz, 2GB RAM SUFFICIENT FOR QE calculations??

ashkan shekaari shekaari at gmail.com
Wed Jul 23 03:20:08 CEST 2014

yes , but you can not run any supercell calculations or defected systems .

for these calculations you should have a large amount of memory (RAM) .

On 7/22/14, siddheshwar chopra <sidhusai at gmail.com> wrote:
> Dear Users,
> I am new to QE and really need an estimate about the computational
> resources needed to run magnetic, phonon, optical and band structure
> calculations for light, medium and heavy atoms of around 60 atoms
> supercell. I currently have a dual core 2.7 GHz processor with 2GB RAM,
> HDD=250GB. Please suggest me so that I can run calculations without any
> memory of processor issues.
> I have Windows XP and also Linux mint installed on the same machine. I have
> also increased the virtual memory per partition.
> I also now how to make an external USB drive work as system RAM. Will that
> help me?
> Kind Regards,
> --
> *Dr. Siddheshwar chopra,*
> *M.Sc., Ph.D (Physics)Assistant Professor (Physics),*
> *Amity University, Noida, India.*

Best wishes
Ashkan Shekaari

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