[Pw_forum] Memory (RAM)

[Paolo Giannozzi]

On Jul 9, 2012, at 23:43 , Vo, Trinh (388C) wrote:

> I am running very large job (nscf calculation 15x15x15) using QE  
> version 4.3.2.
> The job keeps being crashed due to memory problem (out of memory,  
> RAM).
> Is there a way that I can estimate how much memory   (RAM) required  
> for running
> a nscf calculation?

some explanations here:
   http://www.quantum-espresso.org/wp-content/uploads/Doc/ 
pw_user_guide/node13.html
Note that a large number of k-points does not imply a large RAM, but  
a large number
of bands does.

P.
---
Paolo Giannozzi, Dept of Chemistry&Physics&Environment,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222