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# Objective `ComputedVisibility` could afford to be smaller/faster. Optimizing the size and performance of operations on the component will positively benefit almost all extraction systems. This was listed as one of the potential pieces of future work for #5310. ## Solution Merge both internal booleans into a single `u8` bitflag field. Rely on bitmasks to evaluate local, hierarchical, and general visibility. Pros: - `ComputedVisibility::is_visible` should be a single bitmask test instead of two. - `ComputedVisibility` is now only 1 byte. Should be able to fit 100% more per cache line when using dense iteration. Cons: - Harder to read. - Setting individual values inside `ComputedVisiblity` require bitmask mutations. This should be a non-breaking change. No public API was changed. The only publicly visible effect is that `ComputedVisibility` is now 1 byte instead of 2. |
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