197aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes/* 297aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * Copyright (C) 2010 Google Inc. 397aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * 497aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 597aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * you may not use this file except in compliance with the License. 697aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * You may obtain a copy of the License at 797aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * 897aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 997aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * 1097aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * Unless required by applicable law or agreed to in writing, software 1197aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 1297aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1397aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * See the License for the specific language governing permissions and 1497aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * limitations under the License. 1597aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes */ 1697aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes 1797aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughespackage benchmarks.regression; 1897aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes 1997aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughesimport com.google.caliper.Param; 2097aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughesimport com.google.caliper.SimpleBenchmark; 2197aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes 2297aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughespublic class StringBenchmark extends SimpleBenchmark { 2397aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes enum StringLengths { 2497aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes EMPTY(""), 2597aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes SHORT("short"), 2697aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes EIGHTY(makeString(80)), 2797aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes EIGHT_KI(makeString(8192)); 2897aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes final String value; 2997aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes private StringLengths(String value) { this.value = value; } 3097aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes } 3197aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes @Param private StringLengths s; 3297aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes 3397aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes private static String makeString(int length) { 3497aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes StringBuilder result = new StringBuilder(length); 3597aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes for (int i = 0; i < length; ++i) { 3697aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes result.append((char) i); 3797aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes } 3897aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes return result.toString(); 3997aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes } 4097aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes 4197aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes public void timeHashCode(int reps) { 4297aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes for (int i = 0; i < reps; ++i) { 4397aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes s.value.hashCode(); 4497aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes } 4597aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes } 4697aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes} 47