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Bug: writing large vtu files fails #12974

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tjhei opened this issue Nov 20, 2021 · 1 comment
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Bug: writing large vtu files fails #12974

tjhei opened this issue Nov 20, 2021 · 1 comment
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tjhei commented Nov 20, 2021

DataOutInterface<dim, spacedim>::write_vtu_in_parallel can currently only handle the situation where individual ranks write less than 2GB of data as count in MPI_File* are of type int:

dealii/source/base/data_out_base.cc

Line 7714 in ebd1e52

ss.str().size(),

See #12873 for a way to fix this.
@tjhei tjhei added the Bug label Nov 20, 2021
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tjhei commented Jun 1, 2022

Fixed in #13673 using #13611

@tjhei tjhei closed this as completed Jun 1, 2022
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