NAS Bench 201 motivation

I recently read the "paper NAS-Bench-201: Extending the Scope of Reproducible Neural Architecture Search", which can be found here.

I can say that I understood most of the paper but I am not sure I was able to grasp the main motivational idea behind the paper.

I understand that the authors choose a cell configuration and benchmarked that configuration for 15,625 candidates, keeping detailed logs for each of them. To that end I understand that the authors made it …

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