diff --git a/g/encoding/ghash/ghash_test.go b/g/encoding/ghash/ghash_test.go
new file mode 100644
index 000000000..78214bf6f
--- /dev/null
+++ b/g/encoding/ghash/ghash_test.go
@@ -0,0 +1,111 @@
+// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://gitee.com/johng/gf.
+
+// go test *.go -bench=".*"
+
+package ghash_test
+
+import (
+    "testing"
+    "gitee.com/johng/gf/g/encoding/ghash"
+    "gitee.com/johng/gf/g/encoding/gbinary"
+)
+
+func BenchmarkBKDRHash(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.BKDRHash(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkBKDRHash64(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.BKDRHash64(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkSDBMHash(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.SDBMHash(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkSDBMHash64(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.SDBMHash64(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkRSHash(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.RSHash(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkSRSHash64(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.RSHash64(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkJSHash(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.JSHash(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkJSHash64(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.JSHash64(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkPJWHash(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.PJWHash(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkPJWHash64(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.PJWHash64(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkELFHash(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.ELFHash(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkELFHash64(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.ELFHash64(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkDJBHash(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.DJBHash(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkDJBHash64(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.DJBHash64(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkAPHash(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.APHash(gbinary.EncodeInt(i))
+    }
+}
+
+func BenchmarkAPHash64(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        ghash.APHash64(gbinary.EncodeInt(i))
+    }
+}