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The root page 15DOTs60ia13:Tutorial could not be found in space 15.S60 SSIM: Software Tools for Operations Research.

TSPLIB performance

Run your new code (through main, with both the lazy and userCut options) on the same TSPLIB problems as before and compare the performance. My running times were

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Problem Name

eil51

bier127

ch130

ch150

d198

Without User Cuts

0.11

0.77

1.98

5.09

17.57

With User Cuts

5

6

7

8

20

We see that the running time increased on every example! What is going on here? Lets add a few timely print statements to our UserCutCallback to try and better understand how the performance is worse.

System.out.println("hello word!");

Lets run the code again on d198 and take a closer look at the output.

output...
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