Struct BitPacker8x 

pub struct BitPacker8x(/* private fields */);

8-wide bitpacker implementation.

One block contains 256 integers.

Trait Implementations

impl BitPacker for BitPacker8x

const BLOCK_LEN: usize = BLOCK_LEN

Number of u32 values in one physical block.

fn new() -> Self

Select the best supported implementation for the current CPU.

fn compress( &self, decompressed: &[u32], compressed: &mut [u8], num_bits: u8, ) -> usize

Compress one full block of raw values into compressed.

fn compress_sorted( &self, initial: u32, decompressed: &[u32], compressed: &mut [u8], num_bits: u8, ) -> usize

Delta-compress one full non-decreasing block into compressed.

fn compress_strictly_sorted( &self, initial: Option<u32>, decompressed: &[u32], compressed: &mut [u8], num_bits: u8, ) -> usize

Delta-compress one full strictly increasing block into compressed.

fn decompress( &self, compressed: &[u8], decompressed: &mut [u32], num_bits: u8, ) -> usize

Decompress one raw block into decompressed.

fn decompress_sorted( &self, initial: u32, compressed: &[u8], decompressed: &mut [u32], num_bits: u8, ) -> usize

Decompress one delta-compressed non-decreasing block.

fn decompress_strictly_sorted( &self, initial: Option<u32>, compressed: &[u8], decompressed: &mut [u32], num_bits: u8, ) -> usize

Decompress one delta-compressed strictly increasing block.

fn num_bits(&self, decompressed: &[u32]) -> u8

Return the minimum bit width needed to represent a full raw block.

fn num_bits_sorted(&self, initial: u32, decompressed: &[u32]) -> u8

Return the minimum bit width needed to represent deltas in a full block.

fn num_bits_strictly_sorted( &self, initial: Option<u32>, decompressed: &[u32], ) -> u8

Return the minimum bit width needed to represent strict deltas in a full block.

fn compressed_block_size(num_bits: u8) -> usize

Return the byte size of one compressed block at num_bits.

impl Clone for BitPacker8x

fn clone(&self) -> BitPacker8x

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for BitPacker8x