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

[siddheshwar chopra]

Dear Ashkan,
How much large RAM do you mean? Is it 4GB in total or more? I can add
another 2GB hence.

Regards,


On Wed, Jul 23, 2014 at 6:50 AM, ashkan shekaari <shekaari at gmail.com> wrote:

> 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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-- 
*Dr. Siddheshwar chopra,*


*M.Sc., Ph.D (Physics)Assistant Professor (Physics),*
*Amity University, Noida, India.*
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