github.com/shenwei356/uint64-hash-bench

Benchmark of three uint64 hash functions

Hash functions

• maphsh, go1.14rc1
• xxhash, version d7df741
• murmur3, version 539464a
• Thomas Wang’s 64-bit integer hash function
• Inverse of Thomas Wang’s 64-bit integer hash function

Result

$ go test . -bench=Benchmark* -benchmem
goos: linux
goarch: amd64
pkg: github.com/shenwei356/uint64-hash-bench
BenchmarkGoMapHash-16                           74581323                16.2 ns/op             0 B/op          0 allocs/op
BenchmarkXxhashMethod-16                        107216905               11.6 ns/op             0 B/op          0 allocs/op
BenchmarkXxhashFunction-16                      282878127                4.15 ns/op            0 B/op          0 allocs/op
BenchmarkMurmur3-16                             42436113                29.0 ns/op             0 B/op          0 allocs/op
BenchmarkThomasWangUint64Hash-16                777305191                1.52 ns/op            0 B/op          0 allocs/op
BenchmarkInverseThomasWangUint64Hash-16         231070869                5.14 ns/op            0 B/op          0 allocs/op

BenchmarkMutexLockUnlock-16                     88848709                13.6 ns/op             0 B/op          0 allocs/op