Attention-based global router

Global routing with heterogeneous rip-up and re-routing; 1st place in the 2020 global router contest at UW-Madison.

A global router built for the ECE 556 contest at the University of Wisconsin-Madison, combining attention-inspired net ordering with heterogeneous rip-up and re-routing. It won 1st place in the 2020 contest with the lowest total wire length. Code on GitHub.