murmur

package module

v0.0.0-...-b9740d7 Latest Latest Go to latest Published: May 19, 2015 License: MIT Imports: 1 Imported by: 30

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Repository

github.com/aviddiviner/go-murmur

Links

Open Source Insights

README ¶

go-murmur

Go programming language implementation of MurmurHash2, based on the work by Austin Appleby.

Performance

Looks roughly something like this:

BenchmarkMurmurHash2     50000000   31.6 ns/op
BenchmarkMurmurHash2A    50000000   35.3 ns/op
BenchmarkMurmurHash64A   100000000  26.7 ns/op
BenchmarkHash32_Murmur2  10000000   197 ns/op
BenchmarkHash32_FNV1     10000000   155 ns/op
BenchmarkHash32_FNV1a    10000000   156 ns/op

Caveats

Always test code to make sure that it works as intended. Please submit pull requests if you find anything amiss.

License

MIT

Documentation ¶

Overview ¶

Based on the MurmurHash2.cpp source from SMHasher & MurmurHash, https://code.google.com/p/smhasher/

Index ¶

Constants
func MurmurHash2(data []byte, seed uint32) (h uint32)
func MurmurHash2A(data []byte, seed uint32) (h uint32)
func MurmurHash64A(data []byte, seed uint64) (h uint64)
func New32(seed uint32) hash.Hash32

Constants ¶

View Source

const (
	M     = 0x5bd1e995
	BIG_M = 0xc6a4a7935bd1e995
	R     = 24
	BIG_R = 47
)

Mixing constants; generated offline.

Variables ¶

This section is empty.

Functions ¶

func MurmurHash2 ¶

func MurmurHash2(data []byte, seed uint32) (h uint32)

The original MurmurHash2 32-bit algorithm by Austin Appleby.

func MurmurHash2A ¶

func MurmurHash2A(data []byte, seed uint32) (h uint32)

MurmurHash2A (32-bit) algorithm by Austin Appleby.

func MurmurHash64A ¶

func MurmurHash64A(data []byte, seed uint64) (h uint64)

MurmurHash64A (64-bit) algorithm by Austin Appleby.

func New32 ¶

func New32(seed uint32) hash.Hash32

New32 returns a new 32-bit MurmurHash2.

Types ¶

This section is empty.

Source Files ¶

View all Source files

murmur2.go

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