Below are two {func_name} functions for {problem_desc}
{func_desc}

You are provided with two code versions below, where the second version performs better than the first one.

[Worse code]
{worse_code}

[Better code]
{better_code}

Infer TSP settings by comparing versions and give hints for designing better attention mechanisms. Suggest how edge/node attributes correlate with path length. Use less than 50 words.