/// <summary>
/// Enables a CPU device of the given kind.
/// </summary>
/// <param name="builder">The builder instance.</param>
/// <param name="device">The custom CPU device.</param>
/// <returns>The updated builder instance.</returns>
public static Context.Builder CPU(
this Context.Builder builder,
CPUDevice device)
{
builder.DeviceRegistry.Register(device);
return(builder);
}
/// <summary>
/// Enables a CPU device of the given kind.
/// </summary>
/// <param name="builder">The builder instance.</param>
/// <param name="kind">The CPU device kind.</param>
/// <returns>The updated builder instance.</returns>
public static Context.Builder CPU(
this Context.Builder builder,
CPUDeviceKind kind)
{
builder.DeviceRegistry.Register(CPUDevice.GetDevice(kind));
return(builder);
}
/// <summary>
/// Constructs a new CPU runtime.
/// </summary>
/// <param name="context">The ILGPU context.</param>
/// <param name="description">The accelerator description.</param>
/// <param name="mode">The current accelerator mode.</param>
/// <param name="threadPriority">
/// The thread priority of the execution threads.
/// </param>
internal CPUAccelerator(
Context context,
CPUDevice description,
CPUAcceleratorMode mode,
ThreadPriority threadPriority)
: base(context, description)
{
NativePtr = new IntPtr(1);
DefaultStream = CreateStream();
NumThreads = description.NumThreads;
Mode = mode;
ThreadPriority = threadPriority;
UsesSequentialExecution =
Mode == CPUAcceleratorMode.Sequential ||
Mode == CPUAcceleratorMode.Auto && Debugger.IsAttached;
finishedEventPerMultiprocessor = new Barrier(NumMultiprocessors + 1);
multiprocessors = new CPUMultiprocessor[NumMultiprocessors];
for (int i = 0, e = NumMultiprocessors; i < e; ++i)
{
multiprocessors[i] = CPUMultiprocessor.Create(
this,
i,
UsesSequentialExecution);
}
Bind();
Init(context.DefautltILBackend);
}
/// <summary>
/// Enables all CPU 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 CPU(
this Context.Builder builder,
Predicate <CPUDevice> predicate)
{
CPUDevice.GetDevices(
predicate,
builder.DeviceRegistry);
return(builder);
}
/// <summary>
/// Constructs a new CPU runtime.
/// </summary>
/// <param name="context">The ILGPU context.</param>
/// <param name="description">The accelerator description.</param>
/// <param name="mode">The current accelerator mode.</param>
/// <param name="threadPriority">
/// The thread priority of the execution threads.
/// </param>
internal CPUAccelerator(
Context context,
CPUDevice description,
CPUAcceleratorMode mode,
ThreadPriority threadPriority)
: base(context, description)
{
NativePtr = new IntPtr(1);
DefaultStream = CreateStream();
NumThreads = description.NumThreads;
Mode = mode;
UsesSequentialExecution =
Mode == CPUAcceleratorMode.Sequential ||
Mode == CPUAcceleratorMode.Auto && Debugger.IsAttached;
Bind();
InitExecutionEngine(threadPriority);
Init(context.DefautltILBackend);
}