public void Copy(CudaDeviceVector deviceVector, CudaHostVector hostVector)
{
if (hostVector == null)
{
throw new ArgumentNullException("hostVector");
}
if (deviceVector == null)
{
throw new ArgumentNullException("deviceVector");
}
if (hostVector.Length != deviceVector.Length)
{
throw new ArgumentException("Vector lengths should be equal.");
}
CudaMemoryImports.CudaGetVector(hostVector.Length, sizeof(float), deviceVector.DevicePointer, deviceVector.ElementSpacing,
hostVector.PageLockedPointer, hostVector.ElementSpacing, this.stream.StreamId.Value);
}
public void GenerateUniformTest()
{
using (CudaSharpStream stream = new CudaSharpStream())
{
CudaRandom target = stream.Random;
using (CudaDeviceVector deviceVector = new CudaDeviceVector(100000))
{
using (CudaHostVector hostVector = new CudaHostVector(100000))
{
target.GenerateUniform(deviceVector);
stream.MemoryManagement.Copy(deviceVector, hostVector);
stream.Synchronize();
Assert.IsTrue(hostVector[100] > 0);
}
}
}
}
public void CopyVectorTest()
{
using (CudaSharpStream str = new CudaSharpStream())
{
CudaMemoryManagement target = str.MemoryManagement;
using (CudaDeviceVector deviceVector = new CudaDeviceVector(5))
{
using (CudaHostVector hostVector = new CudaHostVector(5))
{
hostVector[2] = 3;
using (CudaHostVector hostVector2 = new CudaHostVector(5))
{
target.Copy(hostVector, deviceVector);
target.Copy(deviceVector, hostVector2);
str.Synchronize();
Assert.AreEqual(3, hostVector2[2]);
}
}
}
}
}
public void ScalarMultiplicationTest()
{
using (CudaSharpStream stream = new CudaSharpStream())
{
CudaAlgebra target = stream.Algebra;
using (CudaHostVector hostVector = new CudaHostVector(50000))
{
using (CudaDeviceVector deviceVector = new CudaDeviceVector(50000))
{
using (CudaHostScalar hostScalar = new CudaHostScalar(3))
{
hostVector[2] = 3;
stream.MemoryManagement.Copy(hostVector, deviceVector);
target.ScalarMultiplication(deviceVector, hostScalar);
stream.MemoryManagement.Copy(deviceVector, hostVector);
stream.Synchronize();
Assert.AreEqual(9, hostVector[2]);
}
}
}
}
}
public ScalarCollection(CudaHostVector that)
{
this.that = that;
}
