Package me.lemire.integercompression

Class BitPacking

java.lang.Object

me.lemire.integercompression.BitPacking

public final class BitPacking
extends Object

Bitpacking routines

For details, please see

Daniel Lemire and Leonid Boytsov, Decoding billions of integers per second through vectorization Software: Practice & Experience http://onlinelibrary.wiley.com/doi/10.1002/spe.2203/abstract http://arxiv.org/abs/1209.2137

Constructor Summary

Constructors

Constructor	Description
BitPacking()

Method Summary

Modifier and Type	Method	Description
static void	fastpack(int[] in, int inpos, int[] out, int outpos, int bit)	Pack 32 integers
protected static void	fastpack0(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack1(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack10(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack11(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack12(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack13(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack14(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack15(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack16(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack17(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack18(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack19(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack2(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack20(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack21(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack22(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack23(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack24(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack25(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack26(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack27(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack28(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack29(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack3(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack30(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack31(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack32(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack4(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack5(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack6(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack7(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack8(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpack9(int[] in, int inpos, int[] out, int outpos)
static void	fastpackwithoutmask(int[] in, int inpos, int[] out, int outpos, int bit)	Unpack 32 integers
protected static void	fastpackwithoutmask0(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask1(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask10(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask11(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask12(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask13(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask14(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask15(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask16(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask17(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask18(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask19(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask2(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask20(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask21(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask22(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask23(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask24(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask25(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask26(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask27(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask28(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask29(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask3(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask30(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask31(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask32(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask4(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask5(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask6(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask7(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask8(int[] in, int inpos, int[] out, int outpos)
protected static void	fastpackwithoutmask9(int[] in, int inpos, int[] out, int outpos)
static void	fastunpack(int[] in, int inpos, int[] out, int outpos, int bit)	Pack the 32 integers
protected static void	fastunpack0(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack1(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack10(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack11(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack12(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack13(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack14(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack15(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack16(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack17(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack18(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack19(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack2(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack20(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack21(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack22(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack23(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack24(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack25(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack26(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack27(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack28(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack29(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack3(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack30(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack31(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack32(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack4(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack5(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack6(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack7(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack8(int[] in, int inpos, int[] out, int outpos)
protected static void	fastunpack9(int[] in, int inpos, int[] out, int outpos)

Methods inherited from class java.lang.Object

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

Constructor Details

BitPacking

public BitPacking()

Method Details

fastpack

public static void fastpack(int[] in,
 int inpos,
 int[] out,
 int outpos,
 int bit)

Pack 32 integers

Parameters:

in - source array

inpos - position in source array

out - output array

outpos - position in output array

bit - number of bits to use per integer

fastpack0

protected static void fastpack0(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack1

protected static void fastpack1(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack10

protected static void fastpack10(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack11

protected static void fastpack11(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack12

protected static void fastpack12(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack13

protected static void fastpack13(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack14

protected static void fastpack14(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack15

protected static void fastpack15(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack16

protected static void fastpack16(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack17

protected static void fastpack17(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack18

protected static void fastpack18(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack19

protected static void fastpack19(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack2

protected static void fastpack2(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack20

protected static void fastpack20(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack21

protected static void fastpack21(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack22

protected static void fastpack22(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack23

protected static void fastpack23(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack24

protected static void fastpack24(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack25

protected static void fastpack25(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack26

protected static void fastpack26(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack27

protected static void fastpack27(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack28

protected static void fastpack28(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack29

protected static void fastpack29(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack3

protected static void fastpack3(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack30

protected static void fastpack30(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack31

protected static void fastpack31(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack32

protected static void fastpack32(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack4

protected static void fastpack4(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack5

protected static void fastpack5(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack6

protected static void fastpack6(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack7

protected static void fastpack7(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack8

protected static void fastpack8(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpack9

protected static void fastpack9(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask

public static void fastpackwithoutmask(int[] in,
 int inpos,
 int[] out,
 int outpos,
 int bit)

Unpack 32 integers

Parameters:

in - source array

inpos - position in source array

out - output array

outpos - position in output array

bit - number of bits to use per integer

fastpackwithoutmask0

protected static void fastpackwithoutmask0(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask1

protected static void fastpackwithoutmask1(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask10

protected static void fastpackwithoutmask10(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask11

protected static void fastpackwithoutmask11(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask12

protected static void fastpackwithoutmask12(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask13

protected static void fastpackwithoutmask13(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask14

protected static void fastpackwithoutmask14(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask15

protected static void fastpackwithoutmask15(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask16

protected static void fastpackwithoutmask16(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask17

protected static void fastpackwithoutmask17(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask18

protected static void fastpackwithoutmask18(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask19

protected static void fastpackwithoutmask19(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask2

protected static void fastpackwithoutmask2(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask20

protected static void fastpackwithoutmask20(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask21

protected static void fastpackwithoutmask21(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask22

protected static void fastpackwithoutmask22(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask23

protected static void fastpackwithoutmask23(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask24

protected static void fastpackwithoutmask24(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask25

protected static void fastpackwithoutmask25(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask26

protected static void fastpackwithoutmask26(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask27

protected static void fastpackwithoutmask27(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask28

protected static void fastpackwithoutmask28(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask29

protected static void fastpackwithoutmask29(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask3

protected static void fastpackwithoutmask3(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask30

protected static void fastpackwithoutmask30(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask31

protected static void fastpackwithoutmask31(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask32

protected static void fastpackwithoutmask32(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask4

protected static void fastpackwithoutmask4(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask5

protected static void fastpackwithoutmask5(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask6

protected static void fastpackwithoutmask6(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask7

protected static void fastpackwithoutmask7(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask8

protected static void fastpackwithoutmask8(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastpackwithoutmask9

protected static void fastpackwithoutmask9(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack

public static void fastunpack(int[] in,
 int inpos,
 int[] out,
 int outpos,
 int bit)

Pack the 32 integers

Parameters:

in - source array

inpos - starting point in the source array

out - output array

outpos - starting point in the output array

bit - how many bits to use per integer

fastunpack0

protected static void fastunpack0(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack1

protected static void fastunpack1(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack10

protected static void fastunpack10(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack11

protected static void fastunpack11(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack12

protected static void fastunpack12(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack13

protected static void fastunpack13(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack14

protected static void fastunpack14(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack15

protected static void fastunpack15(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack16

protected static void fastunpack16(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack17

protected static void fastunpack17(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack18

protected static void fastunpack18(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack19

protected static void fastunpack19(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack2

protected static void fastunpack2(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack20

protected static void fastunpack20(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack21

protected static void fastunpack21(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack22

protected static void fastunpack22(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack23

protected static void fastunpack23(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack24

protected static void fastunpack24(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack25

protected static void fastunpack25(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack26

protected static void fastunpack26(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack27

protected static void fastunpack27(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack28

protected static void fastunpack28(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack29

protected static void fastunpack29(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack3

protected static void fastunpack3(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack30

protected static void fastunpack30(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack31

protected static void fastunpack31(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack32

protected static void fastunpack32(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack4

protected static void fastunpack4(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack5

protected static void fastunpack5(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack6

protected static void fastunpack6(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack7

protected static void fastunpack7(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack8

protected static void fastunpack8(int[] in,
 int inpos,
 int[] out,
 int outpos)

fastunpack9

protected static void fastunpack9(int[] in,
 int inpos,
 int[] out,
 int outpos)