[petsc-users] vtk output ASCII or binary

[Jed Brown]

Xiangdong <epscodes at gmail.com> writes:
> Is it possible to let each processor write its own portion and merge them
> together later?

This is *much* slower.  You can use MPI-IO if you have IO performance
problems at scale.  Make sure you a binary-appended (.vtr, .vts, or
.vtu) rather than the legacy ASCII format.
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