Earlier quoted context omitted.
Bad times for the two-space copying garbage collectors.
Are there any of those left? The popular VMs for Java, Javascript and dotnet are all very mature heavily tuned designs.
1) .net app, one text field, one button; private bytes 22mb, working set 27mb
2) native app, two text fields, three buttons; private bytes 1.2mb, working set 7.3mb