A pure-Go wyhash implementation.
package main
import (
"flag"
"fmt"
"io"
"os"
"github.com/orisano/wyhash"
)
func main() {
seed := flag.Int("s", 0, "seed value")
flag.Parse()
h := wyhash.New(uint64(*seed))
io.Copy(h, os.Stdin)
fmt.Printf("%x\n", h.Sum64())
}$ go test -bench . -count=5
goos: linux
goarch: amd64
pkg: github.com/orisano/wyhash
BenchmarkHash8Bytes-36 239112354 5.02 ns/op 1593.40 MB/s
BenchmarkHash8Bytes-36 238774428 5.02 ns/op 1593.65 MB/s
BenchmarkHash8Bytes-36 239230683 5.02 ns/op 1593.35 MB/s
BenchmarkHash8Bytes-36 233548692 5.03 ns/op 1589.73 MB/s
BenchmarkHash8Bytes-36 240766962 5.01 ns/op 1596.49 MB/s
BenchmarkHash320Bytes-36 39866637 30.2 ns/op 10602.81 MB/s
BenchmarkHash320Bytes-36 38263518 30.1 ns/op 10626.23 MB/s
BenchmarkHash320Bytes-36 39905398 30.2 ns/op 10607.83 MB/s
BenchmarkHash320Bytes-36 39833031 30.1 ns/op 10632.60 MB/s
BenchmarkHash320Bytes-36 39827767 30.1 ns/op 10648.74 MB/s
BenchmarkHash1K-36 13151994 91.5 ns/op 11191.01 MB/s
BenchmarkHash1K-36 13109916 91.5 ns/op 11187.74 MB/s
BenchmarkHash1K-36 13137547 91.6 ns/op 11183.96 MB/s
BenchmarkHash1K-36 13094876 91.6 ns/op 11173.48 MB/s
BenchmarkHash1K-36 13119465 91.7 ns/op 11170.75 MB/s
BenchmarkHash8K-36 1818872 662 ns/op 12378.54 MB/s
BenchmarkHash8K-36 1815982 657 ns/op 12475.84 MB/s
BenchmarkHash8K-36 1810904 675 ns/op 12143.65 MB/s
BenchmarkHash8K-36 1790918 670 ns/op 12232.80 MB/s
BenchmarkHash8K-36 1815848 660 ns/op 12407.03 MB/s
BenchmarkDigest_Hash8Bytes-36 75824784 15.8 ns/op 504.92 MB/s
BenchmarkDigest_Hash8Bytes-36 75778485 15.8 ns/op 505.87 MB/s
BenchmarkDigest_Hash8Bytes-36 75971301 16.1 ns/op 496.39 MB/s
BenchmarkDigest_Hash8Bytes-36 73296864 15.8 ns/op 506.77 MB/s
BenchmarkDigest_Hash8Bytes-36 75797804 15.8 ns/op 507.25 MB/s
BenchmarkDigest_Hash320Bytes-36 32235518 37.4 ns/op 8567.48 MB/s
BenchmarkDigest_Hash320Bytes-36 31975928 38.2 ns/op 8384.57 MB/s
BenchmarkDigest_Hash320Bytes-36 32122788 37.5 ns/op 8544.50 MB/s
BenchmarkDigest_Hash320Bytes-36 31351216 37.5 ns/op 8542.51 MB/s
BenchmarkDigest_Hash320Bytes-36 32137383 37.5 ns/op 8522.40 MB/s
BenchmarkDigest_Hash1K-36 12877767 92.9 ns/op 11020.89 MB/s
BenchmarkDigest_Hash1K-36 12920068 92.8 ns/op 11028.94 MB/s
BenchmarkDigest_Hash1K-36 12926998 92.9 ns/op 11024.32 MB/s
BenchmarkDigest_Hash1K-36 12930212 93.1 ns/op 10996.36 MB/s
BenchmarkDigest_Hash1K-36 12938821 93.0 ns/op 11012.81 MB/s
BenchmarkDigest_Hash8K-36 1798011 675 ns/op 12134.26 MB/s
BenchmarkDigest_Hash8K-36 1794015 668 ns/op 12258.51 MB/s
BenchmarkDigest_Hash8K-36 1796629 668 ns/op 12261.52 MB/s
BenchmarkDigest_Hash8K-36 1795533 669 ns/op 12251.80 MB/s
BenchmarkDigest_Hash8K-36 1793821 664 ns/op 12329.72 MB/s
PASS
ok github.com/orisano/wyhash 58.638s
Nao Yonashiro (@orisano)
MIT
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