/* * 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; /** * How much do various kinds of multiplication cost? */ public class MultiplicationBenchmark extends SimpleBenchmark { public int timeMultiplyIntByConstant10(int reps) { int result = 1; for (int i = 0; i < reps; ++i) { result *= 10; } return result; } public int timeMultiplyIntByConstant8(int reps) { int result = 1; for (int i = 0; i < reps; ++i) { result *= 8; } return result; } public int timeMultiplyIntByVariable10(int reps) { int result = 1; int factor = 10; for (int i = 0; i < reps; ++i) { result *= factor; } return result; } public int timeMultiplyIntByVariable8(int reps) { int result = 1; int factor = 8; for (int i = 0; i < reps; ++i) { result *= factor; } return result; } }