I've found Cudder's site

https://www.grc.com/smgassembly.htm

>>7
Execution models are the domain for implementers, not for programmers.

One and the same code can be executed on a multitude of platforms with a multitude of execution models. Unless that code is written in some slave lanuage like one of the assemblers.

The relation between pure language and assembly is like that between spirit and matter.