From: Alexandre Chauvin (chauvin.alexandre_at_laposte.net)
Date: Fri Sep 03 2004 - 02:52:30 CDT
Thank you for you reply but I just have one more question.
My first 200 steps with 64 procs were much slower than with 32
procs. Is this behaviour explainable as well?
> That's good, isn't it? :-) The step 200 is exactly where the
> balancing happened to migrate work and balance load on
> takes for a while to happen because it needs time to collect
> information, etc.
> Alexandre Chauvin wrote:
> >I just ran namd with 64 processors on 32 opteron nodes and I
> >have experienced a weird bahaviour for namd.
> >I have 500 steps apoa as test case. From 1 to 200, it runs
> >quite slowly and then after step 200, it goes really fast.
> >Can someone exlpain that or have had similar experience?
> >Accédez au courrier électronique de La Poste :
> >3615 LAPOSTENET (0,34€/mn) ; tél : 08 92 68 13 50 (0,34€/mn)
Accédez au courrier électronique de La Poste : www.laposte.net ;
3615 LAPOSTENET (0,34€/mn) ; tél : 08 92 68 13 50 (0,34€/mn)
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