[petsc-users] vtk output ASCII or binary

[Jed Brown]

Xiangdong <epscodes at gmail.com> writes:

> When using the option -viewer_binary_mpiio, I see PETSC Error:
> DMDAArrayMPIIO() line 532 in /src/dm/impls/da/gr2.c.

NEVER truncate an error message.  (We have to remind people of this
every day.  Always send the whole thing.)

MPI-IO works for me and in our tests, so we should figure out what
happened.

> However, when I run it without mpiio, it outputs the binary data fine. What
> options am I missing here?

Time it so we can compare output performance using the different methods.
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