internal static void WarpShuffleKernel(
Index1 index,
ArrayView <int> data)
{
var targetIdx = Warp.WarpSize - 1;
data[index] = Warp.Shuffle(Warp.LaneIdx, targetIdx);
}
internal static void WarpShuffleKernel(
Index1D index,
ArrayView1D <int, Stride1D.Dense> data)
{
var targetIdx = Warp.WarpSize - 1;
data[index] = Warp.Shuffle(Warp.LaneIdx, targetIdx);
}
/// <summary>
/// A kernel demonstrating the generic ILGPU shuffle functionality: The compiler
/// automatically generates the required shuffle instructions (even for complex
/// user-defined data types).
/// </summary>
/// <param name="index">The current thread index.</param>
/// <param name="dataView">The view pointing to our memory buffer.</param>
/// <param name="value">The value to shuffle.</param>
static void ShuffleGeneric <T>(
ArrayView <T> dataView, // A view to a chunk of memory (1D in this case)
T value) // A constant value
where T : unmanaged
{
// Use intrinsic shuffle functionality to shuffle the
// given value from line 0. This does not make much sense in this
// case since all values will have the same value. However,
// this demonstrates the generic flexibility of the shuffle instructions.
value = Warp.Shuffle(value, 0);
dataView[Grid.GlobalIndex.X] = value;
}