Anserini: Lucene 7 vs. Lucene 8
Experiments performed in late April 2019 on an Intel E5-2699 v4 @ 2.20GHz processor, single thread. Query evaluation latency on the ClueWeb12-B13 collection, running the first 10k queries from the TREC 2005 Terabyte Track efficiency queries:
|Hits||Lucene 7.6||Lucene 8.0||speedup|
Results are averaged over three trials, after discarding a warmup run.