anchor.diff:    int numInstances;
     int numItems;
     int drawMode;
  -
  -  DrawStats(this.name, this.numInstances, this.numItems, this.drawMode);
  +  Duration duration;
  +
  +  DrawStats(
  +      this.name, this.numInstances, this.numItems, this.drawMode, this.duration);
   
     @override
  -  String toString() => "[${name}] ${numInstances} ${numItems} ${drawMode}";
  +  String toString() => "[${name}] ${numInstances} ${numItems} mode:${drawMode} [${duration.inMicroseconds}usec";
   }
   
   /// ## Class RenderProgram (is a NamedEntity)
  
positive.code:     _cgl.draw(md.drawMode, md.GetNumItems(), md.elementArrayBufferType, 0,
          md.GetNumInstances(), hasTransforms);
      if (debug) print(_cgl.getProgramInfoLog(_program));
    }
  }
  
negative.code:     }
      return out;
    }
  
    void _ActivateUniforms(String group, Map<String, Object> inputs) {
      int count = 0;
  