/// <summary>
/// Allocates a 2D buffer on the given accelerator and transfers memory
/// to and from the buffer.
/// </summary>
/// <param name="accelerator">The target accelerator.</param>
static void Alloc2D(Accelerator accelerator)
{
Console.WriteLine($"Performing 2D allocation on {accelerator.Name}");
var data = new int[AllocationSize1D, AllocationSize2D];
for (int i = 0; i < AllocationSize1D; ++i)
{
for (int j = 0; j < AllocationSize2D; ++j)
{
data[i, j] = j * AllocationSize1D + i;
}
}
var targetData = new int[AllocationSize1D, AllocationSize2D];
using (var buffer = accelerator.Allocate2DDenseY <int>(new LongIndex2D(AllocationSize1D, AllocationSize2D)))
// You can also use:
// using (var buffer = accelerator.Allocate2DDenseX<int>(new LongIndex2D(AllocationSize1D, AllocationSize2D)))
{
// Copy to accelerator
buffer.CopyFromCPU(data);
// Copy from accelerator
buffer.CopyToCPU(targetData);
}
// Verify data
for (int i = 0; i < AllocationSize1D; ++i)
{
for (int j = 0; j < AllocationSize2D; ++j)
{
if (data[i, j] != targetData[i, j])
{
Console.WriteLine($"Error comparing data and target data at {i}, {j}: {targetData[i, j]} found, but {data[i, j]} expected");
}
}
}
}