Package org.apache.lucene.codecs.lucene101

Class ForUtil

java.lang.Object

org.apache.lucene.codecs.lucene101.ForUtil

public final class ForUtil
extends Object

Inspired from https://fulmicoton.com/posts/bitpacking/ Encodes multiple integers in one to get SIMD-like speedups. If bitsPerValue <= 8 then we pack 4 ints per Java int else if bitsPerValue <= 16 we pack 2 ints per Java int else we do scalar operations.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	BLOCK_SIZE

Constructor Summary

Constructors

Constructor	Description
ForUtil()

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

BLOCK_SIZE

public static final int BLOCK_SIZE

See Also:

• Constant Field Values

Constructor Details

ForUtil

public ForUtil()