iverase commented on code in PR #15732:
URL: https://github.com/apache/lucene/pull/15732#discussion_r2944901552
##########
lucene/backward-codecs/src/java/org/apache/lucene/backward_codecs/lucene102/Lucene102BinaryQuantizedVectorsReader.java:
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@@ -448,4 +565,115 @@ BinarizedByteVectorValues getQuantizedVectorValues()
throws IOException {
return quantizedVectorValues;
}
}
+
+ // When accessing vectorValue method, targerOrd here means a row ordinal.
+ static class OffHeapBinarizedQueryVectorValues {
+ private final IndexInput slice;
+ private final int dimension;
+ private final int size;
+ protected final byte[] binaryValue;
+ protected final ByteBuffer byteBuffer;
+ private final int byteSize;
+ protected final float[] correctiveValues;
+ private int lastOrd = -1;
+ private int quantizedComponentSum;
+
+ OffHeapBinarizedQueryVectorValues(IndexInput data, int dimension, int
size) {
+ this.slice = data;
+ this.dimension = dimension;
+ this.size = size;
+ // 4x the quantized binary dimensions
+ int binaryDimensions = (discretize(dimension, 64) / 8) * QUERY_BITS;
Review Comment:
sure, done in
https://github.com/apache/lucene/pull/15732/commits/85be2001ae39b9cb430abe59d67f060030cbdf35
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