[Pw_forum] how does the calculation scales with number of processors

[Paolo Giannozzi]

On Dec 24, 2010, at 10:42 , mohnish pandey wrote:

>  Can anybody give me an idea how does the time scale with number of  
> processors.

please see the user guide in particular chapter 3:
http://www.quantum-espresso.org/user_guide/node15.html
and this, in particular the "(Too) Frequently Asked Question"
http://www.fisica.uniud.it/~giannozz/QE-Tutorial/

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