mayya-sharipova commented on a change in pull request #267: URL: https://github.com/apache/lucene/pull/267#discussion_r700574452
########## File path: lucene/core/src/java/org/apache/lucene/util/hnsw/HnswGraph.java ########## @@ -107,32 +113,82 @@ public static NeighborQueue search( Random random) throws IOException { int size = graphValues.size(); + int boundedNumSeed = Math.min(numSeed, 2 * size); + NeighborQueue results; + + if (graphValues.maxLevel() == 0) { + // search in SNW; generate a number of entry points randomly + final int[] eps = new int[boundedNumSeed]; + for (int i = 0; i < boundedNumSeed; i++) { + eps[i] = random.nextInt(size); + } + return searchLevel(query, topK, 0, eps, vectors, similarityFunction, graphValues, acceptOrds); + } else { + // search in hierarchical SNW + int[] eps = new int[] {graphValues.entryNode()}; + for (int level = graphValues.maxLevel(); level >= 1; level--) { + results = + HnswGraph.searchLevel( + query, 1, level, eps, vectors, similarityFunction, graphValues, acceptOrds); + eps = new int[] {results.pop()}; Review comment: Good comment, addressed in 6a05951 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org