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vtk-m/docs/changelog/constant-amr-arrays.md
Kenneth Moreland 7992e1b6bf Store constant AMR arrays with less memory 
The `AmrArrays` filter generates some cell fields that specify information
about the hierarchy, which are constant across all cells in a partition.
These were previously stored as an array with the same value throughout.
Now, the field is stored as an `ArrayHandleConstant`, which does not
require any real storage. Recent changes to VTK-m allow code to extract the
array as a component efficiently without knowing the storage type.

Fixes #794
2023-09-06 10:54:07 -06:00

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Store constant AMR arrays with less memory

The AmrArrays filter generates some cell fields that specify information about the hierarchy, which are constant across all cells in a partition. These were previously stored as an array with the same value throughout. Now, the field is stored as an ArrayHandleConstant, which does not require any real storage. Recent changes to VTK-m allow code to extract the array as a component efficiently without knowing the storage type.