lib/bytesutil: add benchmarks for ToUnsafeString() and ToUnsafeBytes()

lib/bytesutil/bytesutil_timing_test.go

@@ -0,0 +1,40 @@
+package bytesutil
+
+import (
+	"sync/atomic"
+	"testing"
+)
+
+func BenchmarkToUnsafeString(b *testing.B) {
+	buf := []byte("foobarbaz abcde fafdsfds")
+	b.ReportAllocs()
+	b.SetBytes(int64(len(buf)))
+	b.RunParallel(func (pb *testing.PB) {
+		n := 0
+		for pb.Next() {
+			for i := range buf {
+				s := ToUnsafeString(buf[:i])
+				n += len(s)
+			}
+		}
+		atomic.AddUint64(&Sink, uint64(n))
+	})
+}
+
+func BenchmarkToUnsafeBytes(b *testing.B) {
+	s := "foobarbaz abcde fafdsfds"
+	b.ReportAllocs()
+	b.SetBytes(int64(len(s)))
+	b.RunParallel(func (pb *testing.PB) {
+		n := 0
+		for pb.Next() {
+			for i := range s {
+				s := ToUnsafeBytes(s[:i])
+				n += len(s)
+			}
+		}
+		atomic.AddUint64(&Sink, uint64(n))
+	})
+}
+
+var Sink uint64