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Re: [Help-glpk] Memory usage with glpk

From: Andrew Makhorin
Subject: Re: [Help-glpk] Memory usage with glpk
Date: Thu, 21 Jan 2010 21:44:44 +0300

> Hi all, I need to solve a problem whit, in the best case, 56000
> vars and 80000 constrains. I try to solve it, but the memory finished
> soon and kernel kills the process. Does exist a method to save memory?

You can convert your model, say, to glpk format:

   glpsol -m foo.mod --wglp foo.glp --check

and then solve it separately:

   glpsol --glp foo.glp ...

Note that if your model is mip, it may be hard for glpsol due to its

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