[FLASH-USERS] Problem with HDF5 output on Ranger

[Paul Stewart]

Based on my experience I would say is a problem with the PGI compiler and
the HDF5 library.  It is a problem with the hdf5 library, not FLASH or the
compiler.  I think that HDF5-1.8.9 may work with the PGI compiler because
someone here submitted a bug fix related to HDF5 not working with the PGI
compiler not too long after hdf5-1.8.8 came out.

On Wed, Dec 19, 2012 at 1:03 PM, Sean Lynch <sean.m.lynch at drexel.edu> wrote:

> On 12/07/2012 11:53 AM, Sean Lynch wrote:
>
>> I've been having some problems with a Flash4 simulation creating HDF5
>> output files on TACC Ranger.
>>
>> I wasn't sure what was happening so I tried the default Sedov problem
>> and got the same error:
>>
>>   WARNING: you have called IO_writePlotfile but no plot_vars are defined.
>>   Put the vars you want in the plotfile in your flash.par (plot_var_1 =
>> "dens")
>>   *** Wrote plotfile to sedov_hdf5_plt_cnt_0000 ****
>>   Initial plotfile written
>>
>> I haven't changed the default flash.par so the plot variable are defined
>> as:
>>
>>   plot_var_1 = "dens"
>>   plot_var_2 = "pres"
>>   plot_var_3 = "temp"
>>
>> The plot file is written to disk but contains no data for density,
>> pressure, or temperature.
>>
>> I am using the default makefile for ranger.tacc.utexas.edu and have
>> loaded the hdf5/1.6.5 module.
>>
>> Has anyone experienced this behavior?
>>
>
> This seems to be related to the Portland compiler.
>
> With pgi I get the following warning during compilation (I didn't noticed
> it before)
>
> PGF90-W-0164-Overlapping data initializations of haveplotvars (IO_init.F90)
>
> I did some debugging in IO_init and 'haveplotvars' is always .FALSE. even
> right after it is declared as .TRUE.. So this seems to be why I was getting
> no output. It didn't have anything to do with the HDF5 library.
>
> When I switched the compiler to Intel it compiled fine. It also ran
> correctly and produced the correct output for the Sedov problem.
>
> Is this a bug in the pgi compiler or a problem with Flash?
>
>
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