/// <summary>
/// Resolves the memory type of the given device pointer.
/// </summary>
/// <param name="value">The device pointer to check.</param>
/// <returns>The resolved memory type</returns>
public static unsafe CudaMemoryType GetCudaMemoryType(IntPtr value)
{
int data = 0;
var err = CurrentAPI.GetPointerAttribute(
new IntPtr(Unsafe.AsPointer(ref data)),
PointerAttribute.CU_POINTER_ATTRIBUTE_MEMORY_TYPE,
value);
if (err == CudaError.CUDA_ERROR_INVALID_VALUE)
{
return(CudaMemoryType.None);
}
CudaException.ThrowIfFailed(err);
return((CudaMemoryType)data);
}
/// <summary>
/// Resolves the memory type of the given device pointer.
/// </summary>
/// <param name="value">The device pointer to check.</param>
/// <returns>The resolved memory type</returns>
public static unsafe CudaMemoryType GetCudaMemoryType(IntPtr value)
{
// This functionality requires unified addresses (X64)
Backends.Backend.EnsureRunningOnPlatform(TargetPlatform.X64);
int data = 0;
var err = CurrentAPI.GetPointerAttribute(
new IntPtr(Unsafe.AsPointer(ref data)),
PointerAttribute.CU_POINTER_ATTRIBUTE_MEMORY_TYPE,
value);
if (err == CudaError.CUDA_ERROR_INVALID_VALUE)
{
return(CudaMemoryType.None);
}
CudaException.ThrowIfFailed(err);
return((CudaMemoryType)data);
}