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On Jul 22, 2008, at 5:43 AM, Gabriele Fatigati wrote:
> Dear OpenMPI developers,
> i have some questions about application robustness. , I have read
> that in OpenMPI development trunk version will have implemented
> techniques of checkpoint and restart. But, i need to know ho this
> techniques works. Are they internal functions to insert in my code,
> external tool or other?
The checkpoint/restart technique is transparent so there are no
functions to insert into your code. The functionality is described in
the user document on the wiki:
> And, when i restart my application, is it possible to modify the
> initial number of processors?
Not at this time. You must restart with the same number of processes
(-np) as you initially started with.
> Gabriele Fatigati
> CINECA Systems & Tecnologies Department
> Supercomputing Group
> Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy
> www.cineca.it Tel: +39 051 6171722
> users mailing list