mayya-sharipova commented on a change in pull request #267:
URL: https://github.com/apache/lucene/pull/267#discussion_r700571931
##########
File path:
lucene/core/src/java/org/apache/lucene/util/hnsw/HnswGraphBuilder.java
##########
@@ -146,20 +168,72 @@ void addGraphNode(int node, float[] value) throws
IOException {
* nearest neighbors that are closer to the new node than they are to the
previously-selected
* neighbors
*/
- addDiverseNeighbors(node, candidates);
+ addDiverseNeighbors(0, node, candidates);
+ }
+
+ // build hierarchical navigable small world graph (multi-layered)
+ void buildHNSW(RandomAccessVectorValues vectors) throws IOException {
+ long start = System.nanoTime(), t = start;
+ // start at node 1! node 0 is added implicitly, in the constructor
+ for (int node = 1; node < vectors.size(); node++) {
+ addGraphNodeHNSW(node, vectors.vectorValue(node));
+ if (node % 10000 == 0) {
Review comment:
Addressed in 6a05951772cc72a1530f3fd863d906dc0e3bef88
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