Which hardware defines the Asio usage for live VST uses?

The advantage of using VEP on the DAW machine is that it will tend to use cores NOT used by the DAW, therefore less likely to overload a core that the DAW may be favouring. This is because while VST(i)s inserted in the DAW are likely to be ‘in-process’ (that is, sharing the same memory space), any in VEP are definitely not in the DAW’s private memory space.