Analysis of code size
text    data    bss     dec
614356  21020   1080    636456
638176 size
255524 size.___
166632 size.rest
88524 size.__$_
84812 size._set
70868 size.___as
20624 size._get
12124 size._input
7468 size._output
1292 size._unset
1176 size._OK