Does a model fail ...
回答済みDoes a model fail for a medium size data set like (50*341*5)? The same model with 7*8 size, 8*37 size, 1*50 size... but its not working for a data size of 50*340
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Gurobi Staff
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Hi Biswajit,
It would be helpful to get a bit more information about the issue you are having. What error are you seeing? Could you provide a minimum working example? It would be best to post a short self-contained code to reproduce the issue you describe.
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Actually, this is a transportation problem... working through different layers of sources and destinations. it worked up to a particular node, but when the problem gets bigger, and variable numbers reach around 68000, the problem gets slowed up. The problem runs while reducing the gap, but, its so slow that it never reaches 0.00%. eventually, it stops by saying "out of memory". @...
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To address an out-of-memory error, there are some good tips in How do I avoid an out-of-memory condition? In particular, it is helpful to set NodeFileStart to 0.5. This tells Gurobi to compress the branch and bound tree and write to disk.
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Thank You! @..., for your kind help. I will try to implement this. It is working right now. Let's see if the problem converges. I will definitely let you know.
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