public ParallelBackpropagation(NeuralNetwork neuralNetwork, List <DataItem> dataItems,
double learningRate, double momentum, double errorThreshold, int numberOfThreads)
{
this.neuralNetwork = neuralNetwork;
this.dataItems = dataItems;
this.learningRate = learningRate;
this.momentum = momentum;
this.errorThreshold = errorThreshold;
CurrentError = double.MaxValue;
CurrentEpoch = 0;
ValidatePeriod = 20;
RemainEpochToValidate = ValidatePeriod;
randomLearningOrder = new RandomOrder(dataItems, DataItem.DataTypes.Learning);
randomValidateOrder = new RandomOrder(dataItems, DataItem.DataTypes.Validate);
randomCurrentOrder = randomLearningOrder;
this.numberOfThreads = numberOfThreads;
barrier = new Barrier(numberOfThreads);
semaphore = new SemaphoreSlim(0);
threads = new Task[numberOfThreads];
threadEvents = new ManualResetEvent[numberOfThreads];
stopThreads = false;
for (int i = 0; i < numberOfThreads; i++)
{
int threadId = i;
threads[i] = new Task(() => { backpropagateThread(threadId); });
threads[i].Start();
threadEvents[i] = new ManualResetEvent(false);
}
}
// Use this for initialization
void Start()
{
instance = this;
order = GameObject.FindGameObjectWithTag("RandomOrder").GetComponent <RandomOrder> ();
foreach (DishType dish in dishTypes)
{
dish.button.onClick.AddListener(dish.setDone);
}
}
/// <summary>
/// 创建装有随机订单的 Service（测试用）
/// </summary>
static OrderService ServiceWithRand()
{
OrderService service = new OrderService();
int cnt = 10;
for (int i = 1; i <= cnt; i++)
{
service.AddOrder(RandomOrder.RandOrder());
}
return(service);
}
public Backpropagation(NeuralNetwork neuralNetwork, List <DataItem> dataItems,
double learningRate, double momentum, double errorThreshold)
{
this.neuralNetwork = neuralNetwork;
this.dataItems = dataItems;
this.learningRate = learningRate;
this.momentum = momentum;
this.errorThreshold = errorThreshold;
CurrentError = double.MaxValue;
CurrentEpoch = 0;
ValidatePeriod = 50;
RemainEpochToValidate = ValidatePeriod;
randomLearningOrder = new RandomOrder(dataItems, DataItem.DataTypes.Learning);
randomValidateOrder = new RandomOrder(dataItems, DataItem.DataTypes.Validate);
randomCurrentOrder = randomLearningOrder;
}
static void Main(string[] args)
{
// 测试 int 类型的.
RandomOrder <int> intRandom = new RandomOrder <int>();
List <int> intList = new List <int>()
{
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
};
List <int> intRandomList = intRandom.DoRandomOrder(intList);
Console.WriteLine("Int 数据列表随机排序.");
for (int i = 0; i < intRandomList.Count; i++)
{
Console.Write("{0} ", intRandomList[i]);
}
Console.WriteLine();
// 测试 string 类型的.
RandomOrder <string> stringRandom = new RandomOrder <string>();
List <string> stringList = new List <string>()
{
"A", "B", "C", "D", "E", "F", "G",
};
List <string> stringRandomList = stringRandom.DoRandomOrder(stringList);
Console.WriteLine("string 数据列表随机排序.");
for (int i = 0; i < stringRandomList.Count; i++)
{
Console.Write("{0} ", stringRandomList[i]);
}
Console.WriteLine();
Console.ReadLine();
}
static void Main(string[] args)
{
// 测试 int 类型的.
RandomOrder<int> intRandom = new RandomOrder<int>();
List<int> intList = new List<int>()
{
1,2,3,4,5,6,7,8,9,10
};
List<int> intRandomList = intRandom.DoRandomOrder(intList);
Console.WriteLine("Int 数据列表随机排序.");
for (int i = 0; i < intRandomList.Count; i++)
{
Console.Write("{0} ", intRandomList[i]);
}
Console.WriteLine();
// 测试 string 类型的.
RandomOrder<string> stringRandom = new RandomOrder<string>();
List<string> stringList = new List<string>()
{
"A", "B", "C", "D", "E", "F", "G",
};
List<string> stringRandomList = stringRandom.DoRandomOrder(stringList);
Console.WriteLine("string 数据列表随机排序.");
for (int i = 0; i < stringRandomList.Count; i++)
{
Console.Write("{0} ", stringRandomList[i]);
}
Console.WriteLine();
Console.ReadLine();
}
/// <summary>
/// 测试 泛型的类. (类与方法都是泛型)
/// </summary>
static void TestGenericClass()
{
Console.WriteLine("测试 泛型的类. (类与方法都是泛型)");
// 测试 int 类型的.
RandomOrder <int> intRandom = new RandomOrder <int>();
List <int> intList = new List <int>()
{
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
};
List <int> intRandomList = intRandom.DoRandomOrder(intList);
Console.WriteLine("Int 数据列表随机排序.");
for (int i = 0; i < intRandomList.Count; i++)
{
Console.Write("{0} ", intRandomList[i]);
}
Console.WriteLine();
// 测试 string 类型的.
RandomOrder <string> stringRandom = new RandomOrder <string>();
List <string> stringList = new List <string>()
{
"A", "B", "C", "D", "E", "F", "G",
};
List <string> stringRandomList = stringRandom.DoRandomOrder(stringList);
Console.WriteLine("string 数据列表随机排序.");
for (int i = 0; i < stringRandomList.Count; i++)
{
Console.Write("{0} ", stringRandomList[i]);
}
Console.WriteLine();
}
public bool Train()
{
if (CurrentError > errorThreshold)
{
if (RemainEpochToValidate == 0)
{
RemainEpochToValidate = ValidatePeriod;
randomCurrentOrder = randomValidateOrder;
}
else
{
randomCurrentOrder = randomLearningOrder;
}
CurrentEpoch++;
RemainEpochToValidate--;
List <int> indexOrder = randomCurrentOrder.GetShuffledOrder();
CurrentError = backpropagate(indexOrder);
}
return(CurrentError < errorThreshold);
}
public bool Save(ModuleController moduleController, int moduleId)
{
try
{
if (moduleController == null || moduleId < 0)
{
return(false);
}
moduleController.UpdateModuleSetting(moduleId, ForumsSettingsKey, Forums);
moduleController.UpdateModuleSetting(moduleId, RowsSettingsKey, Rows.ToString());
moduleController.UpdateModuleSetting(moduleId, FormatSettingsKey, Format);
moduleController.UpdateModuleSetting(moduleId, HeaderSettingsKey, Header);
moduleController.UpdateModuleSetting(moduleId, FooterSettingsKey, Footer);
moduleController.UpdateModuleSetting(moduleId, RSSEnabledSettingsKey, RSSEnabled.ToString());
moduleController.UpdateModuleSetting(moduleId, TopicsOnlySettingsKey, TopicsOnly.ToString());
moduleController.UpdateModuleSetting(moduleId, RandomOrderSettingsKey, RandomOrder.ToString());
moduleController.UpdateModuleSetting(moduleId, TagsSettingsKey, Tags);
moduleController.UpdateModuleSetting(moduleId, RSSIgnoreSecuritySettingsKey, RSSIgnoreSecurity.ToString());
moduleController.UpdateModuleSetting(moduleId, RSSIncludeBodySettingsKey, RSSIncludeBody.ToString());
moduleController.UpdateModuleSetting(moduleId, RSSCacheTimeoutSettingsKey, RSSCacheTimeout.ToString());
// Clear the cache
DataCache.CacheClear("aftp_" + moduleId);
return(true);
}
catch (Exception)
{
return(false);
}
}
