Its not a new term, copying data between cpu and gpu memory has always been expensive: https://docs.microsoft.com/en-us/windows/win32/direct3d11/unified-memory

Its not a new term, copying data between cpu and gpu memory has always been expensive: https://docs.microsoft.com/en-us/windows/win32/direct3d11/unified-memory-architecture https://docs.microsoft.com/en-us/windows/win32/direct3d11/un... https://patents.justia.com/patent/9373182 https://patents.justia.com/patent/9373182