Reply to post: Re: This is probably...

Emulating x86: Microsoft builds granny flat into Windows 10

Charles 9 Silver badge

Re: This is probably...

Plus there are many high-performance applications that work close to the metal. They squeeze out every last drop of performance using less-documented features and tricks and so on. In fact, many of these programs turn out to not be forward-compatible because newer CPUs drop or change the features and make them crash.

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