[QE-users] efficient parallelization on a system without Infiniband

[Paolo Giannozzi]

(sorry for the previous empty email)

On Wed, May 27, 2020 at 4:27 PM Michal Krompiec <michal.krompiec at gmail.com>
wrote:


> So far, speedup on 4 nodes vs 1 node is 3.26x. Is it normal or does it
> look like it can be improved?
>

it looks like there isn't much space for improvement. One can figure out
how to improve things (or what hinders improvement) by looking at the final
reports with timing, but you have to know quite a bit about QE
parallelization.

Paolo

-- 
Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222
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