PERF: Use bitarray to count grid cells #4530
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Note that this will not show any potential failures until it's tested against #4529. |
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Can we make this a draft so as to softly redirect attention to the other, self-contained PRs ? |
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This requires #4525, and when used in combination with #4529 will result in using faster code paths for counting the number of cells included in a selector for patch grid datasets.
The place this could particularly result in selection-based speedups would be in ghost zone identification.