/// <summary>
/// Detects Cuda devices.
/// </summary>
/// <param name="predicate">
/// The predicate to include a given device.
/// </param>
/// <param name="registry">The registry to add all devices to.</param>
private static void GetDevicesInternal(
Predicate <CudaDevice> predicate,
DeviceRegistry registry)
{
// Resolve all devices
if (CurrentAPI.GetDeviceCount(out int numDevices) !=
CudaError.CUDA_SUCCESS ||
numDevices < 1)
{
return;
}
for (int i = 0; i < numDevices; ++i)
{
if (CurrentAPI.GetDevice(out int device, i) != CudaError.CUDA_SUCCESS)
{
continue;
}
var desc = new CudaDevice(device);
if (predicate(desc))
{
registry.Register(desc);
}
}
}
/// <summary>
/// Enables all Cuda devices.
/// </summary>
/// <param name="builder">The builder instance.</param>
/// <param name="predicate">
/// The predicate to include a given device.
/// </param>
/// <returns>The updated builder instance.</returns>
public static Context.Builder Cuda(
this Context.Builder builder,
Predicate <CudaDevice> predicate)
{
CudaDevice.GetDevices(
predicate,
builder.DeviceRegistry);
return(builder);
}
/// <summary>
/// Enables all Cuda devices.
/// </summary>
/// <param name="builder">The builder instance.</param>
/// <param name="predicate">
/// The predicate to include a given device.
/// </param>
/// <returns>The updated builder instance.</returns>
public static Context.Builder Cuda(
this Context.Builder builder,
Predicate <CudaDevice> predicate)
{
if (Backend.RuntimePlatform != TargetPlatform.X64)
{
throw new NotSupportedException(string.Format(
RuntimeErrorMessages.CudaPlatformX64,
Backend.RuntimePlatform));
}
CudaDevice.GetDevices(
predicate,
builder.DeviceRegistry);
return(builder);
}