[CIG-SHORT] Fault Output

bok10 at pitt.edu bok10 at pitt.edu
Tue Mar 5 12:32:56 PST 2013


Is there a way to adjust the input to have it run in serial?

Bobby


> Bobby,
>
> It wasn't clear from your description if you are comparing serial and
> parallel runs on the cluster or a serial run on a laptop with a parallel
> run on the cluster. I think the first step is to verify that a serial
> run on the cluster matches a serial run on your laptop. The next thing I
> would do is to test serial and parallel runs for simple examples like
> those in examples/3d/hex8 (or some of the other provided examples). You
> want to isolate the specific conditions/parameters when things may be
> going wrong.
>
> Regards,
> Brad
>
>
> On 3/5/13 10:16 AM, BOK10 at pitt.edu wrote:
>> Hi Brad,
>>
>> I clicked on the information tab and all the time-steps have a range of
>> 0
>> for the faults.
>>
>> I am using the PyLith binary on the cluster, and I am working on 1
>> computer node (which far outpowers my laptop).
>>
>> I'm writing the files as vtk formats, and I don't believe I am using the
>> HDF5 writer.
>>
>> Bobby
>>
>>> Bobby,
>>>
>>> Click on the fault dataset and then on the Info tab. You will see the
>>> range of values for each of the fields. Then jump to the final time
>>> step. This is a more robust way of checking the range of values than
>>> viewing an image.
>>>
>>> Are you using a PyLith binary on the cluster? The binary may work on 1
>>> compute node, but in order to run on more than 1 compute node, you need
>>> to build from source because the binary contains MPI consistent with a
>>> desktop machine. For a cluster building from source (using the pylith
>>> installer) insures that the MPI being used is appropriate for your
>>> hardware.
>>>
>>> Another possibility is that you are using the HDF5 writer, but HDF5 was
>>> not built for parallel I/O (the pylith installer should do this
>>> automatically). If that is the case, then the output from all
>>> processors
>>> is not being collected into the file.
>>>
>>> Regards,
>>> Brad
>>>
>>>
>>> On 3/5/13 9:59 AM, BOK10 at pitt.edu wrote:
>>>> I'm running my model on a cluster, and everything outputs fine, except
>>>> for
>>>> the faults. In paraview I rescale to the temporal range, but it tells
>>>> me
>>>> my faults have 0 slip, but in the past they have had slip. Any
>>>> suggestions/hints?
>>>>
>>>> Bobby
>>>>
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>>
>>
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