Hi Richard, I ran the latest benchmarks, and they seem to confirm your initial conclusions, that the JCasUtil.selectCovered method perform better than the corresponding SelectFSs coveredBy method. I somehow picked up the idea that the new select API should improve performance, which it does for other select calls, but it is not the case for coveredBy. I was wondering whether you have some ideas as to why the new API performance isn't closer to the JCasUtil.selectCovered method?
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