[Pw_forum] parallel efficiency for large system

[Paolo Giannozzi]

On Jan 21, 2011, at 21:11 , Yuyang Zhang wrote:

> try to use -ntg tag when submitting the jobs but no significant  
> improvement.

note that versions up to 4.2.1 have a bug in the spin-polarized case
at Gamma point if you use -ntg

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