On Apr 20, 2006, at 12:27 PM, Mars Lenjoy wrote:
> thanks for your quick response.
>
> so, the main reason is the amount of memory, right?
> the process image is consist of heap, stack, envirnment and so on,
> it will not be very large.
If I recall correctly it is all of that, and maybe some libraries.
This is all dependant upon the checkpointer used, so the BLCR folks
that would be most able to accrately answer this question.
http://ftg.lbl.gov/CheckpointRestart/CheckpointRestart.shtml
-- Josh
>
> Josh Hursey <jjhursey_at_[hidden]> wrote:
> This is to be expected. BLCR saves the entire process [individual
> rank] image to disk, so if your process is large, and allocates a
> significant amount of memory then the context files will be large.
> Unfortunately there is not way to make the BLCR context files smaller
> at the moment.
>
> -- Josh
>
>
> On Apr 20, 2006, at 1:53 AM, Mars Lenjoy wrote:
>
> > i'm using lamcheckpoint.
> > for the parallel mesh program, checkpoint context file is really
> > big, terrible, displayed followed, and take it so long time. does
> > it save all the date in the memory?
> >
> > -r-------- 419411063 Apr 19 23:08 context.21494-n0-21727
> > -r-------- 465662631 Apr 19 23:08 context.21494-n0-21728
> > -r-------- 456671359 Apr 19 23:06 context.21494-n1-21921
> > -r-------- 480885959 Apr 19 23:06 context.21494-n2-14486
> > -r-------- 131587 Apr 19 23:08 context.mpirun.21494
> >
> >
> >
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> ----
> Josh Hursey
> jjhursey_at_[hidden]
> http://www.lam-mpi.org/
>
>
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http://www.lam-mpi.org/
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