Class ForDeltaUtil

java.lang.Object
org.apache.lucene.codecs.lucene101.ForDeltaUtil

public final class ForDeltaUtil extends Object
Inspired from https://fulmicoton.com/posts/bitpacking/ Encodes multiple integers in a Java int to get SIMD-like speedups. If bitsPerValue <= 4 then we pack 4 ints per Java int else if bitsPerValue <= 11 we pack 2 ints per Java int else we use scalar operations.
  • Constructor Details

    • ForDeltaUtil

      public ForDeltaUtil()