/* * 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; import com.google.caliper.Param; import com.google.caliper.Runner; import com.google.caliper.SimpleBenchmark; /** * What do various kinds of addition cost? */ public class AdditionBenchmark extends SimpleBenchmark { public int timeAddConstantToLocalInt(int reps) { int result = 0; for (int i = 0; i < reps; ++i) { result += 123; } return result; } public int timeAddTwoLocalInts(int reps) { int result = 0; int constant = 123; for (int i = 0; i < reps; ++i) { result += constant; } return result; } public long timeAddConstantToLocalLong(int reps) { long result = 0; for (int i = 0; i < reps; ++i) { result += 123L; } return result; } public long timeAddTwoLocalLongs(int reps) { long result = 0; long constant = 123L; for (int i = 0; i < reps; ++i) { result += constant; } return result; } public float timeAddConstantToLocalFloat(int reps) { float result = 0.0f; for (int i = 0; i < reps; ++i) { result += 123.0f; } return result; } public float timeAddTwoLocalFloats(int reps) { float result = 0.0f; float constant = 123.0f; for (int i = 0; i < reps; ++i) { result += constant; } return result; } public double timeAddConstantToLocalDouble(int reps) { double result = 0.0; for (int i = 0; i < reps; ++i) { result += 123.0; } return result; } public double timeAddTwoLocalDoubles(int reps) { double result = 0.0; double constant = 123.0; for (int i = 0; i < reps; ++i) { result += constant; } return result; } }