Re: [Help-glpk] GLPK and MIPLIB 2003 manna81.mps

[xypron]

For the solution given by Symphony 5.1.8 for problem manna81 after a few
seconds a gap of 0.00 is stated. The solution matches the literature values.
GLPK cannot close the gap in reasonable time.

Jen-Min wrote:
> 
> -------- Original-Nachricht --------
>> Datum: Wed, 28 May 2008 06:45:57 -0700
>> Betreff: [Help-glpk] GLPK and MIPLIB 2003 manna81.mps
> 
>> 
>> I generated glpsol.exe 4.2.8 using Microsoft Visual Studio 2005.  It did
>> not stop after over 10 hours when manna81.mps of MIPLIB 2003 was being
>> solved.  However COIN_OR could solve manna81.mps in less than 10
>> seconds.  
>> 
>> Will any please tell me what happened.   Thanks.
> 
> 

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