I am looking for a package that be strong for solving large scale optimization problem via heuristic method.
For global optimizations, I use GAMS/CPlex and for heuristic methods I used MATLAB optimization toolbox but it is very slow
any idea?
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How large? What kind of problems? – Andreas Jan 22 '13 at 16:41
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Andreas, I am dealing with Integer programming and Mixed integer Programming In optimization I have around 50,000,000 rows – UNSW CSE Jan 24 '13 at 01:05
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You might look at [scip.zib.de](http://scip.zib.de) . – denis Feb 02 '13 at 14:33
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Take a look at Drools Planner (open source, java). It supports many construction heuristics and metaheuristics. It has been successfully applied on very large datasets (50 000 variables, 10 000 values per variable, search space of 10 000 ^ 50 000).
Geoffrey De Smet
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Geoffrey, the number of my deliveries /day is around 400, how can I model it ghraphically? – UNSW CSE Jan 24 '13 at 03:42
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There's no graphic support out-of-the-box currently (it's planned though in the long run). Companies usually want to build a custom UI anyway, and integrate that with their existing applications. – Geoffrey De Smet Jan 25 '13 at 11:03