1 /* 2 * Copyright (C) 2011 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.collect; 18 19 import com.google.caliper.Benchmark; 20 21 /** 22 * Benchmarking interners. 23 * 24 * @author Dimitris Andreou 25 */ 26 public class InternersBenchmark { 27 @Benchmark int weakInterner(int reps) { 28 Interner<String> interner = Interners.newWeakInterner(); 29 for (int i = 0; i < reps; i++) { 30 interner.intern(Double.toHexString(Math.random())); 31 } 32 return reps; 33 } 34 35 @Benchmark int strongInterner(int reps) { 36 Interner<String> interner = Interners.newStrongInterner(); 37 for (int i = 0; i < reps; i++) { 38 interner.intern(Double.toHexString(Math.random())); 39 } 40 return reps; 41 } 42 43 @SuppressWarnings("ReturnValueIgnored") 44 @Benchmark int stringIntern(int reps) { 45 for (int i = 0; i < reps; i++) { 46 Double.toHexString(Math.random()).intern(); 47 } 48 return reps; 49 } 50 } 51
