xxh3_seed

package module
v0.8.3 Latest Latest
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Published: Jan 25, 2021 License: BSD-2-Clause Imports: 4 Imported by: 0

README

This is forked from zeebo/xxh3 and supporting seed.

XXH3

GoDoc Sourcegraph Go Report Card

This package is a port of the xxh3 library to Go.

Upstream has fixed the output as of v0.8.0, and this package matches that.


Benchmarks

Run on my i7-8850H CPU @ 2.60GHz

Small Sizes

Bytes Rate
0 0.74 ns/op
1-3 4.19 ns/op (0.24 GB/s - 0.71 GB/s)
4-8 4.16 ns/op (0.97 GB/s - 1.98 GB/s)
9-16 4.46 ns/op (2.02 GB/s - 3.58 GB/s)
17-32 6.22 ns/op (2.76 GB/s - 5.15 GB/s)
33-64 8.00 ns/op (4.13 GB/s - 8.13 GB/s)
65-96 11.0 ns/op (5.91 GB/s - 8.84 GB/s)
97-128 12.8 ns/op (7.68 GB/s - 10.0 GB/s)

Large Sizes

Bytes Rate SSE2 Rate AVX2 Rate
129 13.6 ns/op (9.45 GB/s)
240 23.8 ns/op (10.1 GB/s)
241 40.5 ns/op (5.97 GB/s) 23.3 ns/op (10.4 GB/s) 20.1 ns/op (12.0 GB/s)
512 69.8 ns/op (7.34 GB/s) 30.4 ns/op (16.9 GB/s) 24.7 ns/op (20.7 GB/s)
1024 132 ns/op (7.77 GB/s) 48.9 ns/op (20.9 GB/s) 37.7 ns/op (27.2 GB/s)
100KB 13.0 us/op (7.88 GB/s) 4.05 us/op (25.3 GB/s) 2.31 us/op (44.3 GB/s)

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Hash

func Hash(b []byte) uint64

Hash returns the hash of the byte slice.

func HashString

func HashString(s string) uint64

HashString returns the hash of the string slice.

func HashStringWithSeed

func HashStringWithSeed(s string, seed uint64) uint64

HashStringWithSeed returns the hash of the string slice with given seed.

func HashWithSeed

func HashWithSeed(b []byte, seed uint64) uint64

HashWithSeed returns the hash of the byte slice with given seed.

Types

This section is empty.

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