ARROW-3653: [C++][Python] Support data copying between different GPU devices #3617
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…single GPU system.
pitrou
approved these changes
Feb 12, 2019
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This PR introduces new C++ methods
CudaContext::CopyDeviceToAnotherDeviceCudaBuffer::CopyFromAnotherDevicethat are used to implement the Python support for copying CUDA buffer data between different devices.