The OPTMILP Option Tuner

Tuner Log

The following information about the option tuner is printed in the tuner log:

SolveCalls

indicates the number of problems the tuner has completed.

Configurations

indicates the number of configurations the tuner has completed.

BestTime

indicates the geometric mean or sum of the solve times (over all tuning problems) of the current best option configuration.

Time

indicates the time (in seconds) used by the tuner.

The LOGFREQ= and LOGLEVEL= options can be used to control the amount of information printed in the tuner log. Figure 14.2 shows a sample tuner log.

Figure 14.2: Sample Option Tuner Log

NOTE: The Option Tuning algorithm (the Tuner) is enabled.                       
NOTE: The non-deterministic parallel mode is enabled.                           
NOTE: The Tuner is using up to 4 threads.                                       
      SolveCalls  Configurations    BestTime        Time                        
              10               4        5.67       15.93                        
              20              10        5.67       27.63                        
              30              15        5.67       41.29                        
              40              20        5.67       53.91                        
              50              24        5.67       68.06                        
              60              30        5.67       81.53                        
              70              35        5.67       94.69                        
NOTE: The data set WORK.OUT has 78 observations and 12 variables.