public SimulatedAnnealing(Learner l)
{
SimulatedAnnealingRunningParameters pam;
using (var file = File.OpenText(@"SimulatedAnnealingParameters.json"))
{
var serializer = new JsonSerializer();
pam =
(SimulatedAnnealingRunningParameters)
serializer.Deserialize(file, typeof(SimulatedAnnealingRunningParameters));
}
learner = l;
threshold = pam.ThresholdTemperature;
coolingFactor = pam.CoolingFactor;
currentIteration = bestIteration = 1;
reportEveryNIterations = pam.ReportEveryNIteration;
currentHypothesis = bestHypothesis = learner.GetInitialGrammar();
currentHypothesis.GenerateDerivedRulesFromSchema();
currentEnergy = bestEnergy = learner.Energy(currentHypothesis);
currentHypothesis.GenerateInitialRulesFromDerivedRules();
currentTemp = currentEnergy.TotalEnergy*pam.InitialTemperatureTimesInitialEnegrgy;
using (var sw = File.AppendText("SessionReport.txt"))
{
sw.WriteLine(string.Format("cooling factor: {0}, initial energy: {1}, initial temperature: {2}",
coolingFactor, currentEnergy, currentTemp));
}
}
private static void Main(string[] args)
{
var voc = Vocabulary.GetVocabularyFromFile(@"Vocabulary.json");
var grammar = new Grammar(voc);
ProgramParams programParams;
using (var file = File.OpenText(@"ProgramParameters.json"))
{
var serializer = new JsonSerializer();
programParams = (ProgramParams) serializer.Deserialize(file, typeof(ProgramParams));
}
if (programParams.DataWithMovement)
CreateMovementGrammar(grammar);
else
CreateSimpleGrammar(grammar);
grammar.GenerateDerivedRulesFromSchema();
var p = new Parser(grammar);
var data = p.GenerateSentences(programParams.NumberOfDataSentences);
using (var sw = File.AppendText("SessionReport.txt"))
{
sw.WriteLine("-------------------");
sw.WriteLine("Session {0} ", DateTime.Now.ToString("MM/dd/yyyy h:mm tt"));
sw.WriteLine("sentences: {0}, runs: {1}, movement: {2}", programParams.NumberOfDataSentences,
programParams.NumberOfRuns, programParams.DataWithMovement);
}
var stopWatch = StartWatch();
var learner = new Learner(voc, grammar.NonTerminalsTypeDictionary, grammar.POSTypes, data, grammar);
learner.originalGrammar.GenerateDerivedRulesFromSchema();
var targetGrammarEnergy = learner.Energy(learner.originalGrammar);
learner.originalGrammar.GenerateInitialRulesFromDerivedRules();
var s = string.Format("Target Hypothesis:\n{0} with energy: {1}\n", learner.originalGrammar,
targetGrammarEnergy);
Console.WriteLine(s);
using (var sw = File.AppendText("SessionReport.txt"))
{
sw.WriteLine(s);
}
for (var i = 0; i < programParams.NumberOfRuns; i++)
{
var sa = new SimulatedAnnealing(learner);
sa.Run();
}
StopWatch(stopWatch);
}