[petsc-users] Vector layout in PetscBinaryRead.m

zakaryah zakaryah at gmail.com
Thu May 2 14:32:06 CDT 2019


Thanks Matt - that snippet ran fine.

On Thu, May 2, 2019 at 3:30 PM Matthew Knepley <knepley at gmail.com> wrote:

> On Thu, May 2, 2019 at 3:13 PM zakaryah via petsc-users <
> petsc-users at mcs.anl.gov> wrote:
>
>> I get a segfault on VecViewFromOptions, with the command line you
>> suggested.  Likewise, if I execute ex10 (Tests I/O of vectors for
>> different data formats (binary,HDF5) and illustrates the use of
>> user-defined event logging), even with -n 1, I get a segfault.
>>
>> Is VecViewFromOptions documented somewhere?  Google only turns up the
>> version from 3.2, which took two arguments.  From the source, it looks like
>> a wrapper for PetscObjectViewFromOptions, but I still don't see all the
>> format specifications.  I'd like to test whether the same code crashes for
>> other formats, like binary, matlab, etc.
>>
>
> I think it must be you call. Lets try and example first:
>
>   cd $PETSC_DIR/src/snes/examples/tutorials
>   make ex5
>   ./ex5 -mms 1 -sol_view hdf5:sol.h5
>
>   Thanks,
>
>      Matt
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
> https://www.cse.buffalo.edu/~knepley/
> <http://www.cse.buffalo.edu/~knepley/>
>
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