[FLASH-USERS] Turn off checkpoint files in FLASH3.2?

David david.john.williamson at gmail.com
Mon Oct 21 11:31:19 EDT 2013


Hi,

Commenting out the CHECKPOINT_FILE_ONLY call in Driver_evolveFlash.F90 didn't seem to do it, so I just commented out the calls within IO_outputFinal and IO_outputInitial - that worked.

Thanks,
-Dave

On 2013-10-21, at 10:58 , Sean Couch <smc at flash.uchicago.edu> wrote:

> Hi David,
> 
> Look at Driver_evolveFlash.F90, in particularly the call to IO_output.  Comment out the appropriate calls here should give you the desired behavior.  Look especially at the calls using CHECKPOINT_FILE_ONLY.
> 
> Sean
> 
> 
> --------------------------------------------------------
> Sean M. Couch, Ph.D.
> Hubble Fellow
> Flash Center for Computational Science
> Department of Astronomy & Astrophysics
> The University of Chicago
> 5747 S Ellis Ave, Jo 315
> Chicago, IL  60637
> (773) 702-3899
> www.flash.uchicago.edu/~smc
> 
> 
> 
> On Oct 21, 2013, at 9:54 AM, David <david.john.williamson at gmail.com> wrote:
> 
>> Hi,
>> 
>> I'm doing a bunch of runs that are too quick to be worth restarting half-way through, and the precision of the plot files is more than enough for what I'm doing. So I'd like to turn off the initial & final dumps of the checkpoint files, because each of these takes about 10x of the space of a plot file. I can switch off the the periodic dumps (in wall-clock time, iterations, and simulation time), but I can't find where to turn off the initial dump - indeed I haven't yet tracked down where IO_outputFinal and IO_outputInitial are even called in the code.
>> 
>> Is there a parameter to switch off all checkpoint dumps, or will I have to comment out a couple of lines & recompile?
>> 
>> Cheers,
>> -David W
> 

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