Not quite, but close. 12 megabytes is still much, much more than is easily explainable. Here is xclock on a 36 megabyte m68030, hosted on the same machine (so be patient).
On the other hand, modern OSes do a pretty good job of hiding resource abuse with excellent memory management.
On the other hand, modern OSes do a pretty good job of hiding resource abuse with excellent memory management.
http://elsie.zia.io/xclock.png