public unsafe void CopyFrom <T>(AcceleratorStream stream, T source, Index sourceIndex)
where T : struct
{
using (var wrapper = ViewPointerWrapper.Create(ref source))
{
var view = new ArrayView <T>(wrapper, 0, 1);
cache.CopyFromView(stream, view.Cast <byte>(), sourceIndex);
}
}
public unsafe void CopyTo <T>(AcceleratorStream stream, out T target, Index targetIndex)
where T : struct
{
target = default;
using (var wrapper = ViewPointerWrapper.Create(ref target))
{
var view = new ArrayView <T>(wrapper, 0, 1);
cache.CopyToView(stream, view.Cast <byte>(), targetIndex);
}
}
/// <summary>
/// Constructs the base class for all exchange buffer implementations.
/// </summary>
/// <param name="buffer">The memory buffer to use.</param>
/// <param name="mode">The exchange buffer mode to use.</param>
internal ExchangeBufferBase(MemoryBuffer <T, TIndex> buffer,
ExchangeBufferMode mode)
: base(buffer.Accelerator, buffer.Extent.Size)
{
cpuMemory = buffer.Accelerator is CudaAccelerator &&
mode == ExchangeBufferMode.PreferPagedLockedMemory
? CudaViewSource.Create(buffer.LengthInBytes)
: (ViewPointerWrapper)UnmanagedMemoryViewSource.Create(
buffer.LengthInBytes);
cpuMemoryPointer = cpuMemory.NativePtr.ToPointer();
}
