On 15/03/2019 11:06, Gareth's was W7 now W10 Downstairs Computer wrote:
> I wonder how feasible (ie, how little support one can
> get away with) to program the 3B+ compute module as
> a stand-alone 64 bit processor?
>
> Presumably there would still have to be a 32 bit
> execution tranche within to enable access to all the
> built-in I/O and video?

No, once its booted into a 64 bit OS, no 32 bit code is required.
Whether the OS has support for acceleration using the GPU is another matter.

---druck

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