Xiangdong <[email protected]> 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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