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Re: [Help-glpk] GLPK got out-of-memory exception when solving linear pro
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From: |
Andrew Makhorin |
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Subject: |
Re: [Help-glpk] GLPK got out-of-memory exception when solving linear programming models |
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Date: |
Tue, 25 Aug 2015 17:39:31 +0300 |
>
> I am trying yto build a linear programming model by C# VS 2013 from
> Optimization.Framework.
>
> The LP has 5000 constraints and 6000 decision variables.
>
How many non-zero constraint coefficients in your model?
>
> I got out-of-memory exceptin when I tried to solve it by GLPK.
>
> How to check memory consumption of a LP model in GLPK?
>
Please see:
http://lists.gnu.org/archive/html/help-glpk/2008-07/msg00044.html
>
> When I reduce the size the LP to 5000 constraints and 200 decision
> variables, I tried to change the coefficients of the LP.
>
>
> For some cases, the LP can be solved but for some cases it got
> out-of-mem exception,
>
>
>
> How to avoid this ?
>
>
> Any help would be appreciated.