Questions tagged [time]

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4
votes
1answer
76 views

Size timesteps for time-dependent TSP

I'm solving a time-dependent travelling salesman problem. I have data from a whole year. I'm thinking about the size of the time steps. I think that the time-steps shouldn't be too large to be ...
2
votes
0answers
43 views

Add Variables in Bulk for ortools

I am using the Python ortools to solve large LPs where the number of variables and constraints are in the hundred thousands ($10^5$). Surprisingly, it takes longer ...
6
votes
2answers
222 views

How to simulate computational execution time?

I am working with some computational experiments with an Integer Programming (IP) formulation over a well-known set of instances from the literature of my problem. And I would like to compare my ...
3
votes
1answer
285 views

Why does the getTime() function from cplex concert returns wrong value?

I am running a MILP formulation (implemented in C++) with the Cplex Concert Technology 12.10, and I am trying to get the total elapsed time. So till the moment, I have tried three approaches: Be ...