[Cbc] Compiling and installing CBC with GLPK-4.47

[Noli Sicad]

Hi,

>> Before you go to a lot more trouble, can you maybe say what you are
>> trying
>> to do that requires Glpk 4.47? The only thing Glpk can do for you when
>> combined with Cbc is to read instances in GMPL format and for that, 4.45
>> works well and compiles out of the box.
>
> Yes, I did this last night (Melbourne time) and it works out of the
> box even with  -arch=x86_64 (i.e. compiling and installing). However,
> I have not yet manage to run a mod file and data (i.e. AMPL or GMPL)

> Stefan and Ted, what GMPL file and data did you use to test and says
> that CBC with glpk-4.45 "works out of the box"?

OK.

I managed to run my GMPL model with Tables (i.e. Sqilte3 / Spatialite) tables.

See this logs below.

It is quick, it takes only 9 minutes. Unlike the freemps format in cbc
as well, takes 17 minutes to solve this MIP model. GLPK/MathProg
solved this model in 37 minutes.

Noli

####

Nolis-MacBook-Pro:Case_Studies nsicad$ cbc
MIP_model_I_P6r_spl_1500_working_evenflow_0025p.mod% -printi all
-solve -solu solution.out
Welcome to the CBC MILP Solver
Version: 2.7.7
Build Date: Nov 20 2012

command line - cbc
MIP_model_I_P6r_spl_1500_working_evenflow_0025p.mod% -printi all
-solve -solu solution.out (default strategy 1)
GMPL model file ./MIP_model_I_P6r_spl_1500_working_evenflow_0025p.mod
and data file ./
Reading model section from
./MIP_model_I_P6r_spl_1500_working_evenflow_0025p.mod...
Reading data section from
./MIP_model_I_P6r_spl_1500_working_evenflow_0025p.mod...
599 lines were read
Reading Origin1...
Connected to SQLite 3.7.6.2 -
/Users/nsicad/Documents/A_Document_1/Pete_book/Lincoln_stands.sqlite
SELECT ID FROM Lincoln_stands
Display statement at line 41
STAND:
   1
   2
   3
   4
   5
   6
..

FlowCover was tried 100 times and created 0 cuts of which 0 were
active after adding rounds of cuts (0.061 seconds)
TwoMirCuts was tried 100 times and created 87 cuts of which 0 were
active after adding rounds of cuts (0.131 seconds)

Result - Optimal solution found

Objective value:                -345556.66666667
Enumerated nodes:               1007292
Total iterations:               12059944
Time (CPU seconds):             543.33
Time (Wallclock seconds):       546.31

Total time (CPU seconds):       543.37   (Wallclock seconds):       546.37

Nolis-MacBook-Pro:Case_Studies nsicad$


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