[UR][Offload] Add initial membuffer implementation #18849
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RossBrunton
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@intel/llvm-gatekeepers Please merge |
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Add a basic implementation of buffers to the Offload adapter. The design is loosely based on the CUDA and HIP adapters.
For now contexts only support a single device, so the implementation is relatively simple. When multi-device contexts are supported we will need to handle migration of data between devices (or otherwise change this implementation)