LuXugang commented on code in PR #792:
URL: https://github.com/apache/lucene/pull/792#discussion_r865502085
##########
lucene/core/src/java/org/apache/lucene/codecs/lucene91/Lucene91HnswVectorsReader.java:
##########
@@ -388,115 +400,239 @@ private static class FieldEntry {
int size() {
return size;
}
-
- int ordToDoc(int ord) {
- return ordToDocOperator.applyAsInt(ord);
- }
}
- /** Read the vector values from the index input. This supports both iterated
and random access. */
- static class OffHeapVectorValues extends VectorValues
- implements RandomAccessVectorValues, RandomAccessVectorValuesProducer {
-
- private final int dimension;
- private final int size;
- private final int[] ordToDoc;
- private final IntUnaryOperator ordToDocOperator;
- private final IndexInput dataIn;
- private final BytesRef binaryValue;
- private final ByteBuffer byteBuffer;
- private final int byteSize;
- private final float[] value;
+ static class DenseOffHeapVectorValues extends OffHeapVectorValues {
private int ord = -1;
private int doc = -1;
- OffHeapVectorValues(int dimension, int size, int[] ordToDoc, IndexInput
dataIn) {
- this.dimension = dimension;
- this.size = size;
- this.ordToDoc = ordToDoc;
- ordToDocOperator = ordToDoc == null ? IntUnaryOperator.identity() :
(ord) -> ordToDoc[ord];
- this.dataIn = dataIn;
- byteSize = Float.BYTES * dimension;
- byteBuffer = ByteBuffer.allocate(byteSize);
- value = new float[dimension];
- binaryValue = new BytesRef(byteBuffer.array(), byteBuffer.arrayOffset(),
byteSize);
+ public DenseOffHeapVectorValues(int dimension, int size, IndexInput slice)
{
Review Comment:
addressed in
https://github.com/apache/lucene/pull/792/commits/694d242b792616e1ab3ddabc8faccb0f79ab0896
.
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