Partial reconfigure problem with vector add

This had been asked by me days ago:

Or I extend a bit why I had asked these questions before even start cont’d PYNQ implementations.
The supporting ground of PYNQ is critical for designer or engineer to know what we can do or we cannot do on PYNQ 2.7 2020.2.

Meantime, don’t even confused by the Composable Overlays concepts!