/// <summary>初期化フロー</summary>
public override void Execute()
{
generator.Execute(Tensor);
if (flow != null)
{
flow.Execute();
}
}
public void SpeedTest()
{
int length = 65535 * 16;
Shape shape = Shape.Vector(length);
OverflowCheckedTensor v1 = new OverflowCheckedTensor(shape);
NormalRandom ope = new NormalRandom(shape, new Random(1234));
Stopwatch sw = new Stopwatch();
sw.Start();
ope.Execute(v1);
ope.Execute(v1);
ope.Execute(v1);
ope.Execute(v1);
sw.Stop();
Console.WriteLine($"{sw.ElapsedMilliseconds / 4} msec");
}
public void ExecuteTest()
{
int length = 65535 * 63;
Shape shape = Shape.Vector(length);
OverflowCheckedTensor v1 = new OverflowCheckedTensor(shape);
NormalRandom ope = new NormalRandom(shape, new Random(1234));
ope.Execute(v1);
float[] y = v1.State;
{
double sq_sum = 0, sum = 0;
int[] cnt = new int[4];
foreach (float v in y)
{
sq_sum += v * v;
sum += v;
float abs_v = Math.Abs(v);
if (abs_v < 4)
{
cnt[(int)Math.Floor(abs_v)]++;
}
}
double mean = sum / length;
double variance = sq_sum / length - mean * mean;
Assert.AreEqual(0, mean, 2e-3, "mean");
Assert.AreEqual(1, variance, 2e-3, "variance");
Assert.AreEqual(0.682689492, (double)cnt[0] / length, 1e-3, "sigma1");
Assert.AreEqual(0.271810244, (double)cnt[1] / length, 1e-3, "sigma2");
Assert.AreEqual(0.042800468, (double)cnt[2] / length, 1e-3, "sigma3");
Assert.AreEqual(0.002636456, (double)cnt[3] / length, 1e-3, "sigma4");
}
{
double sq_sum = 0, sum = 0;
int[] cnt = new int[8];
double xy_sum = 0;
for (int i = 1; i < y.Length; i++)
{
float v = y[i] - y[i - 1];
xy_sum += y[i] * y[i - 1];
sq_sum += v * v;
sum += v;
float abs_v = Math.Abs(v);
if (abs_v < 8)
{
cnt[(int)Math.Floor(abs_v)]++;
}
}
double mean = sum / length;
double variance = sq_sum / length - mean * mean;
Assert.AreEqual(0, mean, 1e-2, "mean");
Assert.AreEqual(2, variance, 1e-2, "variance");
Assert.AreEqual(0, xy_sum / (length - 1), 1e-2, "cov");
Assert.AreEqual(0.520499878, (double)cnt[0] / (length - 1), 2e-2, "sigma1");
Assert.AreEqual(0.322200915, (double)cnt[1] / (length - 1), 2e-2, "sigma2");
Assert.AreEqual(0.123404354, (double)cnt[2] / (length - 1), 2e-2, "sigma3");
Assert.AreEqual(0.029217119, (double)cnt[3] / (length - 1), 2e-2, "sigma4");
Assert.AreEqual(0.004270783, (double)cnt[4] / (length - 1), 2e-2, "sigma5");
Assert.AreEqual(0.000384861, (double)cnt[5] / (length - 1), 2e-2, "sigma6");
}
}
/// <summary>初期化フロー</summary>
public override void Execute()
{
generator.Execute(Tensor);
flow.Execute();
}
