/* * Copyright (C) 2010 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package benchmarks.regression; import java.security.SecureRandom; import java.util.Random; import com.google.caliper.Param; import com.google.caliper.SimpleBenchmark; public class RandomBenchmark extends SimpleBenchmark { public void timeNewRandom(int reps) throws Exception { for (int i = 0; i < reps; ++i) { Random rng = new Random(); rng.nextInt(); } } public void timeReusedRandom(int reps) throws Exception { Random rng = new Random(); for (int i = 0; i < reps; ++i) { rng.nextInt(); } } public void timeReusedSecureRandom(int reps) throws Exception { SecureRandom rng = new SecureRandom(); for (int i = 0; i < reps; ++i) { rng.nextInt(); } } public void timeNewSecureRandom(int reps) throws Exception { for (int i = 0; i < reps; ++i) { SecureRandom rng = new SecureRandom(); rng.nextInt(); } } }