Instance Created:  July 29, 2001; duplicate cities removed April 20, 2009
Number of Cities:  38
Optimal Value:  6656
Solved:  July 30, 2001
Solution Method:  concorde (default settings), QSopt LP solver
Solution Time:  0.24 seconds, AMD Athlon 1.33 GHz

History

Notes

1. Concorde is our linear-programming based TSP solver.

2. linkern is an implementation of Martin, Otto, and Felten's Chained Lin-Kernighan heuristic. It is included in the Concorde code.

3. LKH is Keld Helsgaun's powerful implementation of the Lin-Kernighan heuristic.

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