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Re: [Help-glpk] Calculation of Time Used in Solution Parameters

From: Andrew Makhorin
Subject: Re: [Help-glpk] Calculation of Time Used in Solution Parameters
Date: Wed, 04 Feb 2015 11:10:00 +0300

> I have run an integer linear programming written in GNU MathProg using
> GLPSOL. It has shown in parameters of solution that
> Time Used: 0.2 secs
> However, real time that program consumes to find the solution is much
> longer than Time Used. 
> What is difference in calculation of Time Used and Real Consuming
> Time? 
> Which time parameter I should use to show the running time that
> program used to find the solution?   
> Please help me to answer those questions. Thank so much!

The time reported is the wall-clock time taken solely by the solver; 
in particular, it does not include the time used to read/translate the

You may look at the fragment "solve the problem" in glpk/src/glpapi21.c
for details.

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