1 files changed, 31 insertions, 0 deletions
diff --git a/libgo/go/bytes/bytes_test.go b/libgo/go/bytes/bytes_test.go
index 6245e48..8df62fc 100644
--- a/libgo/go/bytes/bytes_test.go
+++ b/libgo/go/bytes/bytes_test.go
@@ -1255,3 +1255,34 @@ func BenchmarkRepeat(b *testing.B) {
 		Repeat([]byte("-"), 80)
 	}
 }
+
+func benchmarkBytesCompare(b *testing.B, n int) {
+	var x = make([]byte, n)
+	var y = make([]byte, n)
+
+	for i := 0; i < n; i++ {
+		x[i] = 'a'
+	}
+
+	for i := 0; i < n; i++ {
+		y[i] = 'a'
+	}
+
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		Compare(x, y)
+	}
+}
+
+func BenchmarkBytesCompare1(b *testing.B)    { benchmarkBytesCompare(b, 1) }
+func BenchmarkBytesCompare2(b *testing.B)    { benchmarkBytesCompare(b, 2) }
+func BenchmarkBytesCompare4(b *testing.B)    { benchmarkBytesCompare(b, 4) }
+func BenchmarkBytesCompare8(b *testing.B)    { benchmarkBytesCompare(b, 8) }
+func BenchmarkBytesCompare16(b *testing.B)   { benchmarkBytesCompare(b, 16) }
+func BenchmarkBytesCompare32(b *testing.B)   { benchmarkBytesCompare(b, 32) }
+func BenchmarkBytesCompare64(b *testing.B)   { benchmarkBytesCompare(b, 64) }
+func BenchmarkBytesCompare128(b *testing.B)  { benchmarkBytesCompare(b, 128) }
+func BenchmarkBytesCompare256(b *testing.B)  { benchmarkBytesCompare(b, 256) }
+func BenchmarkBytesCompare512(b *testing.B)  { benchmarkBytesCompare(b, 512) }
+func BenchmarkBytesCompare1024(b *testing.B) { benchmarkBytesCompare(b, 1024) }
+func BenchmarkBytesCompare2048(b *testing.B) { benchmarkBytesCompare(b, 2048) }