void InitConnections()
{
float weight_init_range = 0.00001f;
foreach (KeyValuePair <string, Dictionary <string, string> > structureInfo in networkConnectionInfoDict)
{
Dictionary <string, Connection> thisLayerConnectionDict = new Dictionary <string, Connection>();
// create the layer's empty connection dictionary
if (structureInfo.Value.Count > 0)
{
// create a connection object
// add an entry to the layer's connection dictionary, with the sender name as the key, and the connection object as its value
foreach (KeyValuePair <string, string> connectionInfo in structureInfo.Value)
{
if (connectionInfo.Value == "dense")
{
Connection dense = new Dense {
ConnectionType = connectionInfo.Value, Sender = connectionInfo.Key, Recipient = structureInfo.Key
};
// this should be in the dense constructor
dense.ConnectionWeight = Matrix <float> .Build.Random(networkLayerDict[dense.Recipient].NumUnits, networkLayerDict[dense.Sender].NumUnits, new Normal (0, weight_init_range));
networkLayerDict[structureInfo.Key].InputConnectionDict.Add(connectionInfo.Key, dense);
}
else if (connectionInfo.Value == "tanh")
{
Connection tanh = new TanhActivation {
ConnectionType = connectionInfo.Value, Sender = connectionInfo.Key, Recipient = structureInfo.Key
};
networkLayerDict[structureInfo.Key].InputConnectionDict.Add(connectionInfo.Key, tanh);
}
}
}
}
}
public static void Run()
{
Stopwatch sw = new Stopwatch();
NdArray inputArrayCpu = new NdArray(Initializer.GetRealArray(INPUT_SIZE));
NdArray inputArrayGpu = new NdArray(Initializer.GetRealArray(INPUT_SIZE));
//Linear
Linear linear = new Linear(INPUT_SIZE, OUTPUT_SIZE);
Console.WriteLine("◆" + linear.Name);
sw.Restart();
NdArray[] gradArrayCpu = linear.Forward(inputArrayCpu);
sw.Stop();
Console.WriteLine("Forward [Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradArrayCpu[0].Grad = gradArrayCpu[0].Data; //DataをGradとして使用
sw.Restart();
linear.Backward(gradArrayCpu);
sw.Stop();
Console.WriteLine("Backward[Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
if (linear.SetGpuEnable(true))
{
sw.Restart();
NdArray[] gradArrayGpu = linear.Forward(inputArrayGpu);
sw.Stop();
Console.WriteLine("Forward [Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradArrayGpu[0].Grad = gradArrayGpu[0].Data;
sw.Restart();
linear.Backward(gradArrayGpu);
sw.Stop();
Console.WriteLine("Backward[Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
}
//Tanh
TanhActivation tanh = new TanhActivation();
Console.WriteLine("\n◆" + tanh.Name);
sw.Restart();
gradArrayCpu = tanh.Forward(inputArrayCpu);
sw.Stop();
Console.WriteLine("Forward [Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradArrayCpu[0].Grad = gradArrayCpu[0].Data;
sw.Restart();
tanh.Backward(gradArrayCpu);
sw.Stop();
Console.WriteLine("Backward[Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
if (tanh.SetGpuEnable(true))
{
sw.Restart();
NdArray[] gradArrayGpu = tanh.Forward(inputArrayGpu);
sw.Stop();
Console.WriteLine("Forward [Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradArrayGpu[0].Grad = gradArrayGpu[0].Data;
sw.Restart();
tanh.Backward(gradArrayGpu);
sw.Stop();
Console.WriteLine("Backward[Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
}
//Sigmoid
Sigmoid sigmoid = new Sigmoid();
Console.WriteLine("\n◆" + sigmoid.Name);
sw.Restart();
gradArrayCpu = sigmoid.Forward(inputArrayCpu);
sw.Stop();
Console.WriteLine("Forward [Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradArrayCpu[0].Grad = gradArrayCpu[0].Data;
sw.Restart();
sigmoid.Backward(gradArrayCpu);
sw.Stop();
Console.WriteLine("Backward[Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
if (sigmoid.SetGpuEnable(true))
{
sw.Restart();
NdArray[] gradArrayGpu = sigmoid.Forward(inputArrayGpu);
sw.Stop();
Console.WriteLine("Forward [Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradArrayGpu[0].Grad = gradArrayGpu[0].Data;
sw.Restart();
sigmoid.Backward(gradArrayGpu);
sw.Stop();
Console.WriteLine("Backward[Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
}
//ReLU
ReLU relu = new ReLU();
Console.WriteLine("\n◆" + relu.Name);
sw.Restart();
gradArrayCpu = relu.Forward(inputArrayCpu);
sw.Stop();
Console.WriteLine("Forward [Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradArrayCpu[0].Grad = gradArrayCpu[0].Data;
sw.Restart();
relu.Backward(gradArrayCpu);
sw.Stop();
Console.WriteLine("Backward[Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
if (relu.SetGpuEnable(true))
{
sw.Restart();
NdArray[] gradArrayGpu = relu.Forward(inputArrayGpu);
sw.Stop();
Console.WriteLine("Forward [Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradArrayGpu[0].Grad = gradArrayGpu[0].Data;
sw.Restart();
relu.Backward(gradArrayGpu);
sw.Stop();
Console.WriteLine("Backward[Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
}
//LeakyReLU
LeakyReLU leakyRelu = new LeakyReLU();
Console.WriteLine("\n◆" + leakyRelu.Name);
sw.Restart();
gradArrayCpu = leakyRelu.Forward(inputArrayCpu);
sw.Stop();
Console.WriteLine("Forward [Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradArrayCpu[0].Grad = gradArrayCpu[0].Data;
sw.Restart();
leakyRelu.Backward(gradArrayCpu);
sw.Stop();
Console.WriteLine("Backward[Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
if (leakyRelu.SetGpuEnable(true))
{
sw.Restart();
NdArray[] gradArrayGpu = leakyRelu.Forward(inputArrayGpu);
sw.Stop();
Console.WriteLine("Forward [Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradArrayGpu[0].Grad = gradArrayGpu[0].Data;
sw.Restart();
leakyRelu.Backward(gradArrayGpu);
sw.Stop();
Console.WriteLine("Backward[Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
}
NdArray inputImageArrayGpu = new NdArray(Initializer.GetRealArray(3 * 256 * 256 * 5), new[] { 3, 256, 256 }, 5);
NdArray inputImageArrayCpu = new NdArray(Initializer.GetRealArray(3 * 256 * 256 * 5), new[] { 3, 256, 256 }, 5);
//MaxPooling
MaxPooling2D maxPooling2D = new MaxPooling2D(3);
Console.WriteLine("\n◆" + maxPooling2D.Name);
sw.Restart();
NdArray[] gradImageArrayCpu = maxPooling2D.Forward(inputImageArrayCpu);
sw.Stop();
Console.WriteLine("Forward [Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradImageArrayCpu[0].Grad = gradImageArrayCpu[0].Data;
sw.Restart();
maxPooling2D.Backward(gradImageArrayCpu);
sw.Stop();
Console.WriteLine("Backward[Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
if (maxPooling2D.SetGpuEnable(true))
{
sw.Restart();
maxPooling2D.Forward(inputImageArrayGpu);
sw.Stop();
Console.WriteLine("Forward [Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
//メモリ転送のみのため実装がない
Console.WriteLine("Backward[Gpu] : None");
}
//Conv2D
Convolution2D conv2d = new Convolution2D(3, 3, 3);
Console.WriteLine("\n◆" + conv2d.Name);
sw.Restart();
gradImageArrayCpu = conv2d.Forward(inputImageArrayCpu);
sw.Stop();
Console.WriteLine("Forward [Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradImageArrayCpu[0].Grad = gradImageArrayCpu[0].Data;
sw.Restart();
conv2d.Backward(gradImageArrayCpu);
sw.Stop();
Console.WriteLine("Backward[Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
if (conv2d.SetGpuEnable(true))
{
sw.Restart();
NdArray[] gradImageArrayGpu = conv2d.Forward(inputImageArrayGpu);
sw.Stop();
Console.WriteLine("Forward [Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradImageArrayGpu[0].Grad = gradImageArrayGpu[0].Data;
sw.Restart();
conv2d.Backward(gradImageArrayGpu);
sw.Stop();
Console.WriteLine("Backward[Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
}
//Deconv2D
Deconvolution2D deconv2d = new Deconvolution2D(3, 3, 3);
Console.WriteLine("\n◆" + deconv2d.Name);
sw.Restart();
gradImageArrayCpu = deconv2d.Forward(inputImageArrayCpu);
sw.Stop();
Console.WriteLine("Forward [Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradImageArrayCpu[0].Grad = gradImageArrayCpu[0].Data;
sw.Restart();
deconv2d.Backward(gradImageArrayCpu);
sw.Stop();
Console.WriteLine("Backward[Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
if (deconv2d.SetGpuEnable(true))
{
sw.Restart();
NdArray[] gradImageArrayGpu = deconv2d.Forward(inputImageArrayGpu);
sw.Stop();
Console.WriteLine("Forward [Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradImageArrayGpu[0].Grad = gradImageArrayGpu[0].Data;
sw.Restart();
deconv2d.Backward(gradImageArrayGpu);
sw.Stop();
Console.WriteLine("Backward[Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
}
//Dropout
Dropout dropout = new Dropout();
Console.WriteLine("\n◆" + dropout.Name);
sw.Restart();
gradArrayCpu = dropout.Forward(inputArrayCpu);
sw.Stop();
Console.WriteLine("Forward [Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradArrayCpu[0].Grad = gradArrayCpu[0].Data;
sw.Restart();
dropout.Backward(gradArrayCpu);
sw.Stop();
Console.WriteLine("Backward[Cpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
if (dropout.SetGpuEnable(true))
{
sw.Restart();
NdArray[] gradArrayGpu = dropout.Forward(inputArrayGpu);
sw.Stop();
Console.WriteLine("Forward [Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
gradArrayGpu[0].Grad = gradArrayGpu[0].Data;
sw.Restart();
dropout.Backward(gradArrayGpu);
sw.Stop();
Console.WriteLine("Backward[Gpu] : " + (sw.ElapsedTicks / (Stopwatch.Frequency / (1000L * 1000L))).ToString("n0") + "μｓ");
}
}