Reformat output strings

main.go

@@ -49,8 +49,11 @@ func main() {
 		if err != nil {
 			fmt.Printf("%s	%s\n", name, err)
 		}
-		fmt.Printf("%s	%d	%v\n", name, data.length, data.duration)
+		fmt.Printf("%-10s %6.2f KB %7.2f ms\n",
+			name,
+			float32(data.length)/1024,
+			float32(data.duration)/1000000)
 	}
 
-	fmt.Printf("Total time: %v\n", time.Since(start))
+	fmt.Printf("Total time: %.3f seconds\n", time.Since(start).Seconds())
 }