Properties of memory allocated by the device
Map device memory to host visible memory.
cast a blob of bytes into a typed slice
cast a typed slice into a blob of bytes (same representation; no copy is made)
cast an array of typed slices to another array of blob of bytes an allocation is performed for the top container (the array of arrays) but the underlying data is moved without allocation
Structure representing all heaps and types of memory from a device. A device can have different heaps each supporting different types.