uschindler commented on code in PR #12841: URL: https://github.com/apache/lucene/pull/12841#discussion_r1422381211
########## lucene/core/src/java21/org/apache/lucene/store/MemorySegmentIndexInput.java: ########## @@ -303,6 +304,30 @@ public byte readByte(long pos) throws IOException { } } + @Override + public void readGroupVInts(long[] dst, int limit) throws IOException { + int i; + try { + for (i = 0; i <= limit - 4; i += 4) { Review Comment: Forget about borders. There is one border every gigabyte before java 19. After Java 19 there's a border every 16GiB. And NIOFSDirectory is not optimized anymore in your code. And also there it is not the biggest problem. The problem why it was slow is most llikely caused by the capturing lambda -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org