start epoch
end epoch
config table contains hyper parameters
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      config table contains hyper parameters
      
    
      end epoch
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      start epoch
      
    
      
      
    
      
      
    
      
      
    
      
A structure to specify hyper parameters by start epoch and end epoch. Usually work with EpochSchedule.
start epoch
end epoch
config table contains hyper parameters