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Epic FUGLY hack made hardware. Imagine the story of how this came to be made. Not the "intel Inside" version no, the real shit where we hear about doing lines of research chemicals off raw wafers and deciding that what the world really needed was a CPU that could get locked in a K hole.
It's just a hardware busy wait loop, totally acceptable for its time. Power awareness didn't kick in for a solid decade after this chip was first marketed, and prior to that frequencies were so low strategies like this would have been fine
Power awareness didn’t kick in until 2014?

There were plenty of people screaming about Intel’s crappy TPD in the 00’s. It’s why Apple introduced their own processors for all iOS devices.