[Pw_forum] Optimal number of CPUs
Nicola Marzari
marzari at MIT.EDU
Sun Apr 22 04:46:35 CEST 2007
Ihor Kupchak wrote:
> Dear pwscf users!
> I run CP calculation with parallel version 3.2. Using 16 CPUs I got only 1.8 time/step
> Ihor Kupchak
Dear Ihor,
have in particular a look at this, on scaling, latency, etc...
http://www.democritos.it/pipermail/pw_forum/2006-December/005540.html
nicola
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