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  • #751
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Issue created Mar 07, 2018 by Mark OLESEN@markMaintainer

cleanup packed lists

Various things affecting PackedList and PackedBoolList

  • PackedBoolList is a class built on PackedList with additional features, but could be streamlined/reduces with some refactoring.
  • iterator access in general is/was a questionable design feature. It is normally needed, and adds a layer of complexity. However, being able to quickly find and access the indices of bits set (for PackedBoolList) would be more useful - we otherwise spend loads of times indexing through zeroes and have numerous bit-ops on the way (losing the inherent parallelism for Bool).
  • propagate into reduction operations.
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