[Nek5000-users] Outpost question

[nek5000-users at lists.mcs.anl.gov]

Hi Katherine,

I was wondering if you had time to check on the parameter to be reset so
that I can overwrite previous files?

Bonne soirée,
JC


2014-08-15 16:57 GMT+02:00 <nek5000-users at lists.mcs.anl.gov>:

> Hi Katherine,
>
> Thanks for the answer. I knew about the parameter 15 and was not sure
> about the 64 bits precision. This is now more clear.
> Regarding the overwriting, I had guessed that prepost has a parameter that
> needs to be reset, but I haven't been able to figure out which one so far.
> That would be very helpful if you can take a quick look at it.
>
> Thanks a lot and enjoy the end of the summer
> ++
>
> JC
>
>
> 2014-08-15 16:53 GMT+02:00 <nek5000-users at lists.mcs.anl.gov>:
>
>> Hi JC,
>>
>> You should be able to control the outpost frequency and precision using
>> the parameters parameter 15 (IOSTEP) and parameter 63, respectively.
>>
>> So, if you wanted the first 100 steps to output every step, you would set
>> something like:
>>
>> if(istep.le.100)  param(15)=1
>>
>>  To set the precision to 64bit, set param(63)=8, as well.  Setting
>> param(63) to anything else should default it to 8 byte precision.
>>
>> As far as overwriting previous fld files, you should be able to reset a
>> parameter used in prepost.f that increments the file counter.  I haven't
>> had a chance to test this, but I can take a look at it last this weekend.
>>
>> hth.
>> Katherine
>>
>>
>> On Fri, Aug 15, 2014 at 3:34 AM, <nek5000-users at lists.mcs.anl.gov> wrote:
>>
>>> Howdy Nek's,
>>>
>>> I have a couple questions regarding the ouput of files:
>>>
>>>    1. How can force, within the code (say in usrchk), some files to be
>>>    output in 64 bits for high-accuracy checkpointing and other in regular 8
>>>    bits for simple visualisation?
>>>    2. Say, during the first 1000 iterations, the code outpost a file
>>>    every single iteration so that I have blah0.f00001 to blah0.f01000. How can
>>>    I then force the code to outpost my new files (from istep = 1001 to 2000
>>>    say) rewriting on blah0.f00001 to blah0.f01000?
>>>
>>> Thanks a lot.
>>> Regards,
>>>
>>> JC
>>>
>>> --
>>> Jean-Christophe Loiseau
>>> Homepage <https://sites.google.com/site/loiseaujc/>
>>>
>>> _______________________________________________
>>> Nek5000-users mailing list
>>> Nek5000-users at lists.mcs.anl.gov
>>> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users
>>>
>>>
>>
>> _______________________________________________
>> Nek5000-users mailing list
>> Nek5000-users at lists.mcs.anl.gov
>> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users
>>
>>
>
>
> --
> Jean-Christophe Loiseau
> Homepage <https://sites.google.com/site/loiseaujc/>
>
> _______________________________________________
> Nek5000-users mailing list
> Nek5000-users at lists.mcs.anl.gov
> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users
>
>


-- 
Jean-Christophe Loiseau
Homepage <https://sites.google.com/site/loiseaujc/>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/nek5000-users/attachments/20140831/13dce213/attachment.html>