On Oct 1, 2011, at 14:37 , Charlie Eppes wrote: > I was wondering, in a system administrating point of view, how far > is varying the number of images and pools can affect the speed, > efficiency, and the results of execution?! I understand the basic > concepts of them, but how dependent on the specific input and > purpose are they?? can we look to them as pure system and network > variables or are they highly dependent on the specific task??
I am not sure I understand your question, but as a rule, the effectiveness of all kinds of parallelization depends quite a bit on both the available hardware/ software and on the specific calculation > do they affect the answer?? the final result? of course they don't (apart from small unavoidable numerical differences) 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
