| /* |
| * Copyright (C) 2009 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 com.google.caliper.examples; |
| |
| import com.google.caliper.Benchmark; |
| import com.google.caliper.DefaultBenchmarkSuite; |
| import com.google.caliper.Param; |
| import com.google.caliper.Runner; |
| |
| import java.util.Collection; |
| import java.util.EnumSet; |
| import java.util.Set; |
| |
| /** |
| * Measures EnumSet#contains(). |
| */ |
| public class EnumSetContainsBenchmarkSuite extends DefaultBenchmarkSuite { |
| |
| @Param private SetMaker setMaker; |
| |
| private static Collection<SetMaker> setMakerValues = EnumSet.allOf(SetMaker.class); |
| |
| enum SetMaker { |
| ENUM_SET { |
| @Override Set<?> newSet() { |
| return EnumSet.allOf(RegularSize.class); |
| } |
| @Override Object[] testValues() { |
| return new Object[] { RegularSize.E1, RegularSize.E2, RegularSize.E20, |
| RegularSize.E39, RegularSize.E40, "A", LargeSize.E40, null }; |
| } |
| }, |
| LARGE_ENUM_SET { |
| @Override Set<?> newSet() { |
| return EnumSet.allOf(LargeSize.class); |
| } |
| @Override Object[] testValues() { |
| return new Object[] { LargeSize.E1, LargeSize.E63, LargeSize.E64, |
| LargeSize.E65, LargeSize.E140, "A", RegularSize.E40, null }; |
| } |
| }; |
| |
| abstract Set<?> newSet(); |
| abstract Object[] testValues(); |
| } |
| |
| enum RegularSize { |
| E1, E2, E3, E4, E5, E6, E7, E8, E9, E10, E11, E12, E13, E14, E15, E16, E17, |
| E18, E19, E20, E21, E22, E23, E24, E25, E26, E27, E28, E29, E30, E31, E32, |
| E33, E34, E35, E36, E37, E38, E39, E40, |
| } |
| |
| enum LargeSize { |
| E1, E2, E3, E4, E5, E6, E7, E8, E9, E10, E11, E12, E13, E14, E15, E16, E17, |
| E18, E19, E20, E21, E22, E23, E24, E25, E26, E27, E28, E29, E30, E31, E32, |
| E33, E34, E35, E36, E37, E38, E39, E40, E41, E42, E43, E44, E45, E46, E47, |
| E48, E49, E50, E51, E52, E53, E54, E55, E56, E57, E58, E59, E60, E61, E62, |
| E63, E64, E65, E66, E67, E68, E69, E70, E71, E72, E73, E74, E75, E76, E77, |
| E78, E79, E80, E81, E82, E83, E84, E85, E86, E87, E88, E89, E90, E91, E92, |
| E93, E94, E95, E96, E97, E98, E99, E100, E101, E102, E103, E104, E105, E106, |
| E107, E108, E109, E110, E111, E112, E113, E114, E115, E116, E117, E118, |
| E119, E120, E121, E122, E123, E124, E125, E126, E127, E128, E129, E130, |
| E131, E132, E133, E134, E135, E136, E137, E138, E139, E140, |
| } |
| |
| private Set<?> set; |
| private Object[] testValues; |
| |
| @Override protected void setUp() throws Exception { |
| this.set = setMaker.newSet(); |
| this.testValues = setMaker.testValues(); |
| } |
| |
| class ContainsBenchmark extends Benchmark { |
| @Override public Object run(int trials) throws Exception { |
| int count = 0; |
| for (int i = 0; i < trials; i++) { |
| for (Object value : testValues) { |
| count ^= (set.contains(value) ? i : 0); |
| } |
| } |
| return count > 0; |
| } |
| } |
| |
| public static void main(String[] args) { |
| Runner.main(EnumSetContainsBenchmarkSuite.class, args); |
| } |
| } |