[Carpet] Job ian2.23638.0 killed

Erik Schnetter schnetter at cct.lsu.edu
Tue May 30 18:23:11 CEST 2006


And how does the memstats file look like?

-erik

On May 30, 2006, at 11:14:14, Ryoji Takahashi wrote:

> i activated CarpetLib::print_memstats_every=10?
> but now, code was terminated during dumping of hdf5 ...
>
> for this i am rquestion 16GBx8, concerning in mike ... i should be  
> fit.
>
>
> Erik Schnetter wrote:
>> Ryoji,
>>
>> the emailed error messages indicate that you used more than 1.6  
>> GB  per processor.  The job output says that this particular jobs  
>> was  killed after about 311 iterations.  There is nothing obvious  
>> that was  happening, or that should have been happening according  
>> to the  parameter file, at this time.
>>
>> Several things may be going on.  It can be that Carpet's memory  
>> usage  is not evenly distributed, e.g. due to I/O on the root  
>> processor, so  that there is still memory available while the root  
>> process uses more  than 1.6 GB.  It could also be that your  
>> simulation just uses too  much memory, and after some time e.g.  
>> the C libraries I/O buffers  grow to an extent to exceed this limit.
>>
>> We need to know more about the memory consumption of your job.   
>> Can  you use "top" or a similar tool to monitor the job while it  
>> is  running?  Can you use the parameter  
>> CarpetLib::print_memstats_every=10?
>>
>> Does this happen with every job of yours?
>>
>> -erik
>>
>> _______________________________________________ developers mailing  
>> list developers at lists.carpetcode.org http://lists.carpetcode.org/ 
>> listinfo/developers
>
> <d3.0-256-0.05.out.0.tgz>
> _______________________________________________
> developers mailing list
> developers at lists.carpetcode.org
> http://lists.carpetcode.org/listinfo/developers


-- 
Erik Schnetter <schnetter at cct.lsu.edu>

My email is as private as my paper mail.  I therefore support encrypting
and signing email messages.  Get my PGP key from www.keyserver.net.



-------------- next part --------------
A non-text attachment was scrubbed...
Name: PGP.sig
Type: application/pgp-signature
Size: 186 bytes
Desc: This is a digitally signed message part
Url : /archives/developers/attachments/20060530/2ed15ea7/attachment.pgp 


More information about the developers mailing list