Last active
August 29, 2015 14:23
-
-
Save hectorj/8ac959c071d44ec4d718 to your computer and use it in GitHub Desktop.
Bench of several hash algorithms for cache keys in golang
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| package cachekeyhash_test | |
| import ( | |
| "crypto/sha256" | |
| "fmt" | |
| "hash/fnv" | |
| "io" | |
| "testing" | |
| "crypto/md5" | |
| "crypto/sha1" | |
| ) | |
| func hashKey(key string) string { | |
| h := sha256.New() | |
| io.WriteString(h, key) | |
| return fmt.Sprintf("%x", h.Sum(nil)) | |
| } | |
| func hashKey2(key string) string { | |
| h := sha256.New() | |
| h.Write([]byte(key)) | |
| return fmt.Sprintf("%x", h.Sum(nil)) | |
| } | |
| func hashKeyFNV(key string) string { | |
| h := fnv.New64a() | |
| io.WriteString(h, key) | |
| return fmt.Sprintf("%x", h.Sum(nil)) | |
| } | |
| func hashKeyFNV2(key string) string { | |
| h := fnv.New64a() | |
| h.Write([]byte(key)) | |
| return fmt.Sprintf("%x", h.Sum(nil)) | |
| } | |
| func hashKeyMD52(key string) string { | |
| h := md5.New() | |
| h.Write([]byte(key)) | |
| return fmt.Sprintf("%x", h.Sum(nil)) | |
| } | |
| func hashKeySHA1(key string) string { | |
| h := sha1.New() | |
| h.Write([]byte(key)) | |
| return fmt.Sprintf("%x", h.Sum(nil)) | |
| } | |
| func BenchmarkHashKeySha256(b *testing.B) { | |
| for i := 0; i < b.N; i++ { | |
| hashKey("GET:http://localhost/") | |
| } | |
| } | |
| func BenchmarkHashKeyFNV(b *testing.B) { | |
| for i := 0; i < b.N; i++ { | |
| hashKeyFNV("GET:http://localhost/") | |
| } | |
| } | |
| func BenchmarkHashKey2Sha256(b *testing.B) { | |
| for i := 0; i < b.N; i++ { | |
| hashKey2("GET:http://localhost/") | |
| } | |
| } | |
| func BenchmarkHashKey2FNV(b *testing.B) { | |
| for i := 0; i < b.N; i++ { | |
| hashKeyFNV2("GET:http://localhost/") | |
| } | |
| } | |
| func BenchmarkHashKey2MD5(b *testing.B) { | |
| for i := 0; i < b.N; i++ { | |
| hashKeyMD52("GET:http://localhost/") | |
| } | |
| } | |
| func BenchmarkHashKey2SHA1(b *testing.B) { | |
| for i := 0; i < b.N; i++ { | |
| hashKeySHA1("GET:http://localhost/") | |
| } | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| FNV 2000000 760 ns/op 121 B/op 7 allocs/op | |
| MD5 1000000 1327 ns/op 266 B/op 8 allocs/op | |
| SHA1 1000000 1608 ns/op 378 B/op 9 allocs/op | |
| Sha256 1000000 1992 ns/op 412 B/op 9 allocs/op |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment