msokolov commented on a change in pull request #2214:
URL: https://github.com/apache/lucene-solr/pull/2214#discussion_r560234117
##########
File path:
lucene/core/src/java/org/apache/lucene/codecs/lucene90/Lucene90VectorReader.java
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@@ -387,8 +387,40 @@ public int nextDoc() {
@Override
public int advance(int target) throws IOException {
- // We could do better by log-binary search in ordToDoc, but this is
never used
- return slowAdvance(target);
+ assert docID() < target;
+ int idx = binarySearch(target);
Review comment:
I think we could, we would pay the very small cost of decoding the
negative values it returns (and it must encode them), when we don't care about
the distinction of present/not-present, but probably that's not significant and
we avoid the cost of maintaining our own binary search here. +1
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