If you mean the C compiled code, that's what a typical sbcl binary is already. On my system it's around 2.5MB. The compiled CL code image (and its related data)

If you mean the C compiled code, that's what a typical sbcl binary is already. On my system it's around 2.5MB. The compiled CL code image (and its related data) is around 50MB. save-lisp-and-die sticks the image into the runtime binary.