static JLabel jMemoryView() {
  final JLabel l = jlabel(); 
  installTimer(l, 500, r {
    //l.setText("T: " + toM(totalMemory()) + "M");
    //l.setToolTipText("T = Total Java heap. Process ID: " + getPID());
    l.setText(toM(usedMemory()) + "/" + toM(totalMemory()) + "M");
    l.setToolTipText("RAM used/total. Process ID: " + getPID());
  });
  if (_inCore())
    componentPopupMenuItem(l, "Re-run main", f reRunMain);
  onClick(l, r { fullGCInBackground() });
  ret l;
}