1 | using System;
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2 | using System.Diagnostics;
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3 | using System.Linq;
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4 | using System.Threading.Tasks;
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5 |
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6 | namespace HeuristicLab.Algorithms.PushGP.Cli {
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7 | using HeuristicLab.Problems.ProgramSynthesis.Push.Configuration;
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8 | using HeuristicLab.Problems.ProgramSynthesis.Push.Expressions;
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9 | using HeuristicLab.Problems.ProgramSynthesis.Push.Generators;
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10 | using HeuristicLab.Problems.ProgramSynthesis.Push.Interpreter;
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11 | using HeuristicLab.Problems.ProgramSynthesis.Push.Parser;
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12 | using HeuristicLab.Problems.ProgramSynthesis.Push.Simplifier;
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13 | using HeuristicLab.Random;
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14 |
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15 | class Program {
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16 | static void Main(string[] args) {
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17 | //SimpleTest();
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18 | //Stepwise().Wait();
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19 | //PerformanceTestInterpreter();
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20 | PerformanceParallelTestInterpreter();
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21 | //PerformanceTestCodeGenerator();
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22 | //TestRobustness();
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23 | //TestPool();
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24 | //TestPoolPerformance();
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25 | //TestSimplifier();
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26 |
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27 | Console.WriteLine("\nPress any key to continue...");
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28 |
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29 | //if (args.Length == 0) return;
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30 |
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31 | //var code = args[0];
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32 | //EvaluateStepwise(code).Wait();
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33 |
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34 | Console.ReadKey();
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35 | }
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36 |
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37 | static async Task EvaluateStepwise(string code) {
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38 | var interpreter = new PushGpInterpreter(new PushConfiguration {
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39 | TopLevelPushCode = false
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40 | });
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41 |
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42 | interpreter.RunAsync(code, true).Wait();
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43 |
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44 | while (!interpreter.IsCompleted) {
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45 | Console.Clear();
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46 | interpreter.PrintStacks();
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47 | interpreter.Step();
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48 |
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49 | var input = Console.ReadKey();
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50 | if (input.Key == ConsoleKey.Escape) {
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51 | break;
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52 | } else if (input.Key == ConsoleKey.Spacebar) {
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53 | await interpreter.ResumeAsync();
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54 | }
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55 | }
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56 |
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57 | Console.Clear();
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58 | interpreter.PrintStacks();
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59 | }
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60 |
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61 | static void SimpleTest() {
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62 | var interpreter = new PushGpInterpreter();
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63 |
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64 | interpreter.Run("5 INTEGER.DUP INTEGER.+");
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65 |
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66 | interpreter.PrintStacks();
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67 | }
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68 |
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69 | static async Task Stepwise() {
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70 | var interpreter = new PushGpInterpreter();
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71 |
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72 | interpreter.RunAsync("( 0 2 CODE.QUOTE ( 1 INTEGER.+ 0 3 CODE.QUOTE ( 1 INTEGER.+ INTEGER.* ) CODE.DO*RANGE INTEGER.+ ) CODE.DO*RANGE )", true).Wait();
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73 |
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74 | while (!interpreter.IsCompleted) {
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75 | Console.Clear();
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76 | interpreter.PrintStacks();
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77 | interpreter.Step();
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78 |
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79 | var input = Console.ReadKey();
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80 | if (input.Key == ConsoleKey.Escape) {
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81 | break;
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82 | } else if (input.Key == ConsoleKey.Spacebar) {
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83 | await interpreter.ResumeAsync();
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84 | }
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85 | }
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86 |
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87 | Console.Clear();
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88 | interpreter.PrintStacks();
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89 | }
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90 |
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91 | static void PerformanceTestInterpreter() {
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92 | var program = PushParser.Parse("( 5 INTEGER.DUP INTEGER.+ )");
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93 |
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94 | var interpreter = new PushGpInterpreter();
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95 | var sw = new Stopwatch();
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96 |
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97 | sw.Start();
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98 | for (var i = 0; i < 60000000; i++) {
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99 | interpreter.Run(program);
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100 | interpreter.Clear();
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101 | }
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102 | sw.Stop();
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103 |
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104 | Console.WriteLine(sw.Elapsed);
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105 | }
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106 |
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107 | static void PerformanceParallelTestInterpreter() {
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108 | var program = PushParser.Parse("( 5 INTEGER.DUP INTEGER.+ )");
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109 | //var program = new ExecExpandExpression(new Expression[]
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110 | //{
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111 | // new IntegerPushExpression(5),
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112 | // new IntegerDuplicateExpression(),
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113 | // new IntegerAddExpression()
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114 | //});
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115 |
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116 | var sw = new Stopwatch();
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117 | var iterations = 100;
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118 | var amount = 600000;
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119 | var pool = new PushInterpreterPool(iterations);
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120 |
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121 | sw.Start();
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122 | Parallel.For(0, iterations, i => {
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123 | using (var interpreter = pool.GetInstance()) {
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124 |
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125 | for (var j = 0; j < amount; j++) {
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126 | interpreter.Run(program);
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127 | interpreter.Clear();
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128 | }
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129 | }
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130 | });
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131 | sw.Stop();
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132 |
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133 | Console.WriteLine(sw.Elapsed);
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134 | }
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135 |
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136 | static void PerformanceTestCodeGenerator() {
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137 | var sw = new Stopwatch();
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138 | var random = new FastRandom(1337);
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139 |
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140 | sw.Start();
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141 | var expressions = CodeGenerator.RandomCode(60000000, random).ToList();
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142 | sw.Stop();
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143 |
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144 | Console.WriteLine("Generated {0} in {1}", expressions.Count(), sw.Elapsed);
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145 | }
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146 |
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147 | static void TestRobustness() {
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148 | var sw = new Stopwatch();
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149 | var parallelism = Environment.ProcessorCount;
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150 | var maxProgramSizeLimit = 1024;
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151 | var partitionSize = 1000;
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152 | var execCounters = new int[parallelism];
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153 |
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154 | var config = new PushConfiguration {
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155 | EvalPushLimit = 4096,
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156 | //IsCodeStackEnabled = false,
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157 | IsExecStackEnable = false,
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158 | IsBooleanStackEnabled = false,
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159 | IsFloatStackEnabled = false,
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160 | IsIntegerStackEnabled = false,
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161 | IsNameStackEnabled = false,
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162 | };
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163 |
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164 | var pool = new PushInterpreterPool(config);
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165 |
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166 | sw.Start();
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167 | Parallel.For(0, parallelism, i => {
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168 | var random = new FastRandom(1337);
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169 | using (var interpreter = pool.GetInstance(random)) {
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170 | for (var j = 0; j < partitionSize; j++) {
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171 | var program = CodeGenerator.RandomProgram(maxProgramSizeLimit, random, config);
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172 |
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173 | interpreter.Run(program);
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174 |
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175 | execCounters[i] += interpreter.ExecCounter;
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176 | interpreter.Clear();
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177 | }
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178 | }
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179 | });
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180 | sw.Stop();
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181 |
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182 | Console.WriteLine("ExecCount: {0}", execCounters.Sum());
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183 | Console.WriteLine("Duration: {0}", sw.Elapsed);
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184 | }
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185 |
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186 | static void TestPool() {
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187 | var pool = new PushInterpreterPool();
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188 | var normal = new PushGpInterpreter();
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189 | int id;
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190 |
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191 | using (var interpreter = pool.GetInstance()) {
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192 | interpreter.Run("( 1 2 INTEGER.+ )");
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193 |
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194 | id = interpreter.GetHashCode();
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195 | if (id == normal.GetHashCode()) Console.WriteLine("equal 1");
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196 | }
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197 |
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198 | using (var interpreter = pool.GetInstance())
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199 | using (var interpreter2 = pool.GetInstance()) {
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200 | interpreter.Run("( 1 2 INTEGER.+ )");
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201 | if (id == interpreter.GetHashCode()) Console.WriteLine("equal 2");
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202 | if (id == interpreter2.GetHashCode()) Console.WriteLine("equal 3");
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203 | }
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204 | }
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205 |
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206 | static void TestPoolPerformance() {
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207 | var sw = new Stopwatch();
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208 | var iterations = 100000000;
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209 |
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210 | sw.Start();
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211 | for (var i = 0; i < iterations; i++) {
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212 | var interpreter = new PushGpInterpreter();
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213 | interpreter.Clear();
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214 | }
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215 | sw.Stop();
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216 |
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217 | Console.WriteLine(sw.Elapsed);
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218 |
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219 | var pool = new PushInterpreterPool();
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220 | sw.Restart();
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221 | for (var i = 0; i < iterations; i++) {
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222 | using (var interpreter = pool.GetInstance()) {
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223 | interpreter.Clear();
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224 | }
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225 | }
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226 | sw.Stop();
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227 |
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228 | Console.WriteLine(sw.Elapsed);
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229 | }
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230 |
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231 | static void TestSimplifier() {
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232 | var interpreter = new PushGpInterpreter();
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233 | var program = PushParser.Parse("( 5 INTEGER.DUP FLOAT.+ INTEGER.+ )") as ExecExpandExpression;
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234 | var simplifier = new RandomSimplifier() { Trys = 10 };
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235 | var random = new FastRandom(1337);
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236 |
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237 | var simplerProgram = simplifier.Simplify(
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238 | program,
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239 | random,
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240 | solution => {
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241 | interpreter.Clear();
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242 | interpreter.Run(solution);
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243 | return interpreter.IntegerStack.Top == 10;
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244 | });
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245 |
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246 | Console.WriteLine(simplerProgram);
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247 | }
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248 | }
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249 | } |
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