msokolov commented on a change in pull request #431:
URL: https://github.com/apache/lucene/pull/431#discussion_r745092082
##########
File path:
lucene/core/src/java/org/apache/lucene/search/MaxScoreAccumulator.java
##########
@@ -35,9 +35,22 @@
this.modInterval = DEFAULT_INTERVAL;
}
- void accumulate(int docID, float score) {
- assert docID >= 0 && score >= 0;
- long encode = (((long) Float.floatToIntBits(score)) << 32) | docID;
+ private static long maxBinary(long v1, long v2) {
+ float score1 = Float.intBitsToFloat((int) (v1 >> 32));
+ float score2 = Float.intBitsToFloat((int) (v2 >> 32));
+ int cmp = Float.compare(score1, score2);
+ if (cmp == 0) {
+ // tie-break on the minimum doc base
+ return (int) v1 < (int) v2 ? v1 : v2;
Review comment:
the problem is we want decreasing scores and increasing docIDs? -- but
previously we combined the comparison so we would get decreasing docIDs?
##########
File path:
lucene/core/src/java/org/apache/lucene/search/MaxScoreAccumulator.java
##########
@@ -47,24 +60,25 @@ DocAndScore get() {
return null;
}
float score = Float.intBitsToFloat((int) (value >> 32));
- int docID = (int) value;
- return new DocAndScore(docID, score);
+ int docBase = (int) value;
+ return new DocAndScore(docBase, score);
}
static class DocAndScore implements Comparable<DocAndScore> {
- final int docID;
+ final int docBase;
Review comment:
just curious why the name change to docBase? Oh I see below in the
caller it makes sense
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