Fastness isn’t a measure unless you mean velocity, which doesn’t have an obvious meaning in this case, since there is no reliable measure of the ground to be covered. The measure that makes sense is how long something takes, so 2x slower makes sense – it takes twice the time. ...
“Microsoft had to develop WinFX (new API, same as carbon was a new API). Classic is nothing more than a virtualized environment, nothing that had really requires to “get working”.” Also, add into account that MacOS X was a clean break; not only did they have to port Darwin to P...