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Store full/empty bit in a bit-vector #23

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Stebalien opened this issue Sep 8, 2016 · 0 comments
Open

Store full/empty bit in a bit-vector #23

Stebalien opened this issue Sep 8, 2016 · 0 comments

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@Stebalien
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Instead of using options, consider storing a full/empty bit-vector (backed by a RawVec for storing the actual values).

  1. This takes less space when the null pointer optimization doesn't apply.
  2. It allows for faster cache friendly iteration over reasonably sparse vec-maps.
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@Stebalien