HESS is an Algorithm was developed by Oscar Riveros [oscar.riveros@peqnp.science] from 2012 to 2018.
Info: https://www.youtube.com/watch?v=mA4gv-LuZXw
Example for TSP: https://colab.research.google.com/drive/1crfbZyVXahi54zzQp0ENN-bNzMzWCYAa
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
make
./hp instance
./hc_check instance path