[jira] [Created] (LUCENE-10130) HnswGraph could make use of a SparseFixedBitSet.getAndSet

["Robert Muir (Jira)" <ji...@apache.org>]

Robert Muir created LUCENE-10130:
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             Summary: HnswGraph could make use of a SparseFixedBitSet.getAndSet
                 Key: LUCENE-10130
                 URL: https://issues.apache.org/jira/browse/LUCENE-10130
             Project: Lucene - Core
          Issue Type: Task
            Reporter: Robert Muir


Currently HnswGraph uses SparseFixedBitSet "visited" to track where it has already been. The logic currently looks like this:

{code}
if (visited.get(entryPoint) == false) {
  visited.set(entryPoint);
  ... logic ...
}
{code}

If SparseFixedBitSet had a {{getAndSet}} (like FixedBitSet), the code could be:
{code}
if (visited.getAndSet(entrypoint) == false) {
  ... logic ...
}
{code}




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