public void SpeedTest()
{
int inwidth = 512, inheight = 512, channels = 32, stride = 2;
int outwidth = inwidth / stride, outheight = inheight / stride;
OverflowCheckedTensor x_tensor = new OverflowCheckedTensor(Shape.Map2D(channels, inwidth, inheight));
OverflowCheckedTensor y_tensor = new OverflowCheckedTensor(Shape.Map2D(channels, outwidth, outheight));
OverflowCheckedTensor gy_tensor = new OverflowCheckedTensor(Shape.Map2D(channels, outwidth, outheight));
OverflowCheckedTensor gx_tensor = new OverflowCheckedTensor(Shape.Map2D(channels, inwidth, inheight));
MaxUnpooling ope = new MaxUnpooling(inwidth, inheight, channels, stride);
Stopwatch sw = new Stopwatch();
sw.Start();
ope.Execute(gy_tensor, x_tensor, y_tensor, gx_tensor);
ope.Execute(gy_tensor, x_tensor, y_tensor, gx_tensor);
ope.Execute(gy_tensor, x_tensor, y_tensor, gx_tensor);
ope.Execute(gy_tensor, x_tensor, y_tensor, gx_tensor);
sw.Stop();
Console.WriteLine($"{sw.ElapsedMilliseconds / 4} msec");
}
public void ExecuteTest()
{
float max_err = 0;
Random rd = new Random(1234);
foreach (int batch in new int[] { 1, 2 })
{
foreach (int channels in new int[] { 1, 2, 3, 4, 5, 6, 7, 8 })
{
foreach (int stride in new int[] { 2, 3, 4 })
{
foreach (int inwidth in new int[] { 5, 7, 11 })
{
foreach (int inheight in new int[] { 5, 7, 11 })
{
int outwidth = inwidth / stride, outheight = inheight / stride;
float[] xval = (new float[inwidth * inheight * channels * batch]).Select((_) => (float)rd.NextDouble()).ToArray();
float[] gyval = (new float[outwidth * outheight * channels * batch]).Select((_) => (float)rd.NextDouble()).ToArray();
Map2D x = new Map2D(channels, inwidth, inheight, batch, xval);
Map2D gy = new Map2D(channels, outwidth, outheight, batch, gyval);
Map2D gx = Reference(x, gy, stride);
OverflowCheckedTensor x_tensor = new OverflowCheckedTensor(Shape.Map2D(channels, inwidth, inheight, batch), xval);
OverflowCheckedTensor y_tensor = new OverflowCheckedTensor(Shape.Map2D(channels, outwidth, outheight, batch));
OverflowCheckedTensor gy_tensor = new OverflowCheckedTensor(Shape.Map2D(channels, outwidth, outheight, batch), gyval);
OverflowCheckedTensor gx_tensor = new OverflowCheckedTensor(Shape.Map2D(channels, inwidth, inheight, batch));
MaxPooling ope_pool = new MaxPooling(inwidth, inheight, channels, stride, batch);
ope_pool.Execute(x_tensor, y_tensor);
MaxUnpooling ope_unpool = new MaxUnpooling(inwidth, inheight, channels, stride, batch);
ope_unpool.Execute(gy_tensor, x_tensor, y_tensor, gx_tensor);
float[] gx_expect = gx.ToArray();
float[] gx_actual = gx_tensor.State;
int gx_expect_nonzero = gx_expect.Count((v) => v != 0);
int gx_actual_nonzero = gx_expect.Count((v) => v != 0);
CollectionAssert.AreEqual(xval, x_tensor.State);
CollectionAssert.AreEqual(gyval, gy_tensor.State);
Assert.AreEqual(y_tensor.Length, gx_expect_nonzero);
Assert.AreEqual(y_tensor.Length, gx_actual_nonzero);
AssertError.Tolerance(gx_expect, gx_actual, 1e-7f, 1e-5f, ref max_err, $"mismatch value {channels},{stride},{inwidth},{inheight},{batch}");
Console.WriteLine($"pass: {channels},{stride},{inwidth},{inheight},{batch}");
}
}
}
}
}
Console.WriteLine($"maxerr:{max_err}");
}
