source/train/XOptimizer.cpp
XOptimizer * XOptimizer::Clone(int devID)
{
    XOptimizer * opt = new XOptimizer();
    
    Copy(this, opt, devID);
    
    return opt;
}
/* clone the optimizer (with the data in it) */
clone the optimizer (with the data in it)
clone the optimizer ( with the data in it )
XOptimizer * XOptimizer::Clone(int devID)
{
    XOptimizer * opt = new XOptimizer();
    Copy(this, opt, devID);
    return opt;
}
XOptimizer * XOptimizer :: Clone ( int devID ) { XOptimizer * opt = new XOptimizer ( ) ; Copy ( this , opt , devID ) ; return opt ; }
clone the optimizer (with the data in it)
clone the optimizer ( with the data in it )