Originally posted by: brown_rice

Hi,

I write engine log into a txt with the following way. When I run the mod file, it perfectly works.

float _time;
execute{
var assing= new Date();
_time= assing.getTime();
var Path=  "C:\\Users\\Desktop\\myFiles\\";
thisOplModel.settings.run_engineLog= Path+"engine_log_"+_time+".txt";
}

However, when I create a new mod file and use the command line runner with

execute{
IloOplExec("C:\\Program Files\\IBM\\ILOG\\CPLEX_Studio128\\opl\\bin\\x64_win64\\oplrun.exe"+
" C:\\Users\\Desktop\\OPL\\myModel.mod"+
" C:\\Users\\OPL\\myModel\\datE1S4800.dat",true ); 

};

even though model is run and I obtain my results, the engine log file is never created.  How can I solve this problem? Everything works, when I run the model in the normal way.

Hi,

I would use the option in oplrun to export the engine log when I call oplrun in IloOplExec

See

https://www.ibm.com/developerworks/community/forums/html/topic?id=5358e11f-4501-4486-9c69-0d4d9019e12d&ps=25

IloOplExec("C:\\ILOG\\CPLEX_Studio128\\opl\\bin\\x64_win64\\oplrun.exe "+
" -Dn="+i+" -Dnbthreads=1 c:\\scalableWarehouse.mod",false );

where I used option -D from oplrun

With oplrun you have the option -l:

-l log-file         export engine log

regards

https://www.linkedin.com/pulse/what-optimization-how-can-help-you-do-more-less-zoo-buses-fleischer/

Originally posted by: K__U

Hi Alex,

I have a similar problem, and I tried to use the option -l as you suggested.

However it returns an error message "Unknown option: -l".

I am using CPLEX 12.8 is this a new option introduced with CPLEX 12.9 ?

execute{
IloOplExec("C:\\Program Files\\ibm\\ILOG\\CPLEX_Studio128\\opl\\bin\\x64_win64\\oplrun.exe"+
" -DmaxDist=150"+
" -Ddatadetails=\"150Miles\""+
" -l C:\\Users\\xyz\\Desktop\\Northeast\\Solution\\WO_150Miles_EngineNew.txt"+
" C:\\Users\\xyz\\Documents\\0-Research\\CPLEX\\Model_WO.mod"+
" C:\\Users\\xyz\\Documents\\0-Research\\CPLEX\\Northeast.dat",true ); // True >> solves the problem serial !
};

Thanks

Hi,

yes that s new in 12.9 so one more reason to move to CPLEX 12.9

best regards

https://developer.ibm.com/docloud/blog/2019/03/12/cplex-optimization-studio-12-9-is-available/