Search found 2 matches

by pnong
1 year ago
Forum: Solvers
Topic: model takes forever to solve
Replies: 2
Views: 7828

Re: model takes forever to solve

Hi pnong, Scheduling problems are known to be challenging. Besides finding good feasible solutions (which seems to work okay for this model), solvers also work on improving the best known bound. I fed your problem into several state-of-the-art MIP solvers. After 10 minutes, they all provide a solut...
by pnong
1 year ago
Forum: Solvers
Topic: model takes forever to solve
Replies: 2
Views: 7828

model takes forever to solve

Hey people, I've got an issue about my model. I created a gams model to find cmax on my flowshop problem. Firstly i tried with 5 jobs, the problem solved immiedetly and it worked perfectly. After that i tried the same codes to solve the same problem with 10 jobs. Gams found the best solution which i...