mayya-sharipova commented on code in PR #11743:
URL: https://github.com/apache/lucene/pull/11743#discussion_r966264433
##########
lucene/core/src/test/org/apache/lucene/util/TestRamUsageEstimator.java:
##########
@@ -222,6 +229,28 @@ public void testPrintValues() {
System.out.println("LONG_SIZE = " + LONG_SIZE);
}
+ public void testHnswGraph() throws IOException {
+ int size = atLeast(2000);
+ int dim = randomIntBetween(100, 1024);
+ int M = randomIntBetween(4, 96);
+ VectorSimilarityFunction similarityFunction =
+ VectorSimilarityFunction.values()[
+ random().nextInt(VectorSimilarityFunction.values().length - 1) +
1];
+ VectorEncoding vectorEncoding =
+
VectorEncoding.values()[random().nextInt(VectorEncoding.values().length - 1) +
1];
+ TestHnswGraph.RandomVectorValues vectors =
+ new TestHnswGraph.RandomVectorValues(size, dim, vectorEncoding,
random());
+
+ HnswGraphBuilder<?> builder =
+ HnswGraphBuilder.create(
+ vectors, vectorEncoding, similarityFunction, M, M * 2,
random().nextLong());
+ OnHeapHnswGraph hnsw = builder.build(vectors.copy());
+ long estimated = RamUsageEstimator.sizeOfObject(hnsw);
+ long actual = ramUsed(hnsw);
+
+ assertEquals((double) actual, (double) estimated, (double) actual * 0.3);
+ }
+
Review Comment:
Addressed in 45ced1e5beac8eb9932933967f3a2ca00d0c7835
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