Apache
/
lucene
mirror of https://github.com/apache/lucene.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Avoid redundant loop for compute min value in DirectMonotonicWriter (#12377) 

* Avoid redundant loop for get min value

* update CHANGES.txt
This commit is contained in:
zhangchao 2023-06-20 21:12:15 +08:00 committed by GitHub
parent 6d4314d46f
commit 37b92adf6a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lucene/CHANGES.txt
View File

@ -128,7 +128,7 @@ Improvements
Optimizations
---------------------
(No changes)
* GITHUB#12377: Avoid redundant loop for compute min value in DirectMonotonicWriter. (Chao Zhang)
Bug Fixes
---------------------

6
lucene/core/src/java/org/apache/lucene/util/packed/DirectMonotonicWriter.java
View File

@ -79,13 +79,11 @@ public final class DirectMonotonicWriter {
final float avgInc =
(float) ((double) (buffer[bufferSize - 1] - buffer[0]) / Math.max(1, bufferSize - 1));
long min = Long.MAX_VALUE;
for (int i = 0; i < bufferSize; ++i) {
final long expected = (long) (avgInc * (long) i);
buffer[i] -= expected;
}
long min = buffer[0];
for (int i = 1; i < bufferSize; ++i) {
min = Math.min(buffer[i], min);
}