cpoerschke commented on code in PR #14084:
URL: https://github.com/apache/lucene/pull/14084#discussion_r1901977429
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lucene/core/src/java/org/apache/lucene/util/hnsw/HnswGraphSearcher.java:
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@@ -67,7 +70,21 @@ public static void search(
HnswGraphSearcher graphSearcher =
new HnswGraphSearcher(
new NeighborQueue(knnCollector.k(), true), new
SparseFixedBitSet(getGraphSize(graph)));
- search(scorer, knnCollector, graph, graphSearcher, acceptOrds);
+ final int[] entryPoints;
+ if (knnCollector instanceof EntryPointProvider epp) {
+ DocIdSetIterator eps = epp.entryPoints();
+ entryPoints = new int[(int) eps.cost()];
+ int idx = 0;
+ int entryPointOrdInt;
+ while ((entryPointOrdInt = eps.nextDoc()) != NO_MORE_DOCS) {
+ entryPoints[idx++] = entryPointOrdInt;
+ }
+ // We use provided entry point ordinals to search the complete graph
(level 0)
+ graphSearcher.searchLevel(
+ knnCollector, scorer, 0 /* level */, entryPoints, graph, acceptOrds);
Review Comment:
Maybe check that `entryPoints` contains at least element.
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