/// <summary>
/// Constructs a new cuRand wrapper.
/// </summary>
/// <param name="context">The parent ILGPU context.</param>
/// <param name="rngType">The cuRand RNG type.</param>
/// <param name="apiVersion">The cuRand API version.</param>
public CPUCuRand(
Context context,
CuRandRngType rngType,
CuRandAPIVersion apiVersion)
: this(context, rngType, new CuRandAPIVersion?(apiVersion))
{
}
/// <summary>
/// Constructs a new cuRand wrapper.
/// </summary>
/// <param name="accelerator">The associated Cuda accelerator.</param>
/// <param name="rngType">The cuRand RNG type.</param>
/// <param name="apiVersion">The cuRand API version.</param>
public GPUCuRand(
CudaAccelerator accelerator,
CuRandRngType rngType,
CuRandAPIVersion apiVersion)
: this(accelerator, rngType, new CuRandAPIVersion?(apiVersion))
{
}
/// <summary>
/// Constructs a new cuRand wrapper.
/// </summary>
/// <param name="accelerator">The associated Cuda accelerator.</param>
/// <param name="rngType">The cuRand RNG type.</param>
/// <param name="apiVersion">The cuRand API version.</param>
private GPUCuRand(
CudaAccelerator accelerator,
CuRandRngType rngType,
CuRandAPIVersion?apiVersion)
: base(accelerator)
{
API = CuRandAPI.Create(apiVersion);
CuRandException.ThrowIfFailed(
API.CreateGenerator(out IntPtr nativePtr, rngType));
GeneratorPtr = nativePtr;
CuRandException.ThrowIfFailed(
API.GetVersion(out int version));
Version = version;
Stream = accelerator.DefaultStream as CudaStream;
}
/// <summary>
/// Constructs a new cuRand wrapper.
/// </summary>
/// <param name="context">The parent ILGPU context.</param>
/// <param name="rngType">The cuRand RNG type.</param>
/// <param name="apiVersion">The cuRand API version.</param>
private CPUCuRand(
Context context,
CuRandRngType rngType,
CuRandAPIVersion?apiVersion)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
// Note: We currently do not use the context parameter to instantiate the API.
// However, we do pass the context instance to this constructor to ensure
// upward compatibility.
API = CuRandAPI.Create(apiVersion);
CuRandException.ThrowIfFailed(
API.CreateGeneratorHost(out IntPtr nativePtr, rngType));
GeneratorPtr = nativePtr;
CuRandException.ThrowIfFailed(
API.GetVersion(out int version));
Version = version;
}
/// <summary>
/// Creates a new CPU generator.
/// </summary>
public abstract CuRandStatus CreateGeneratorHost(
out IntPtr generator,
CuRandRngType rngType);
/// <summary>
/// Constructs a new cuRand wrapper on the GPU.
/// </summary>
/// <param name="context">The parent ILGPU context.</param>
/// <param name="rngType">The cuRand RNG type.</param>
/// <param name="apiVersion">The cuRand API version.</param>
public static CPUCuRand CreateCPU(
Context context,
CuRandRngType rngType,
CuRandAPIVersion apiVersion) =>
new CPUCuRand(context, rngType, apiVersion);
/// <summary>
/// Constructs a new cuRand wrapper on the CPU using the V10 API.
/// </summary>
/// <param name="context">The parent ILGPU context.</param>
/// <param name="rngType">The cuRand RNG type.</param>
public static CPUCuRand CreateCPU(
Context context,
CuRandRngType rngType) =>
new CPUCuRand(context, rngType);
/// <summary>
/// Constructs a new cuRand wrapper on the GPU.
/// </summary>
/// <param name="accelerator">The associated Cuda accelerator.</param>
/// <param name="rngType">The cuRand RNG type.</param>
/// <param name="apiVersion">The cuRand API version.</param>
public static GPUCuRand CreateGPU(
CudaAccelerator accelerator,
CuRandRngType rngType,
CuRandAPIVersion apiVersion) =>
new GPUCuRand(accelerator, rngType, apiVersion);
/// <summary>
/// Constructs a new cuRand wrapper on the GPU using the V10 API.
/// </summary>
/// <param name="accelerator">The associated Cuda accelerator.</param>
/// <param name="rngType">The cuRand RNG type.</param>
public static GPUCuRand CreateGPU(
CudaAccelerator accelerator,
CuRandRngType rngType) =>
new GPUCuRand(accelerator, rngType);
/// <summary>
/// Constructs a new cuRand wrapper on the CPU using the V10 API.
/// </summary>
/// <param name="context">The parent ILGPU context.</param>
/// <param name="rngType">The cuRand RNG type.</param>
public static CPUCuRand CreateCPU(
Context context,
CuRandRngType rngType) =>
CreateCPU(context, rngType, CuRandAPIVersion.V10);
/// <summary>
/// Constructs a new cuRand wrapper on the GPU using the V10 API.
/// </summary>
/// <param name="accelerator">The associated Cuda accelerator.</param>
/// <param name="rngType">The cuRand RNG type.</param>
public static GPUCuRand CreateGPU(
CudaAccelerator accelerator,
CuRandRngType rngType) =>
CreateGPU(accelerator, rngType, CuRandAPIVersion.V10);
