“We are giddy”—interviewing Apple about its Mac silicon revolution

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The graphic representing the Apple M1 chip, as presented by Apple at an event earlier this month.Some time ago, in an Apple campus building, a group of engineers got together. Isolated from others in the company, they took the guts of old MacBook Air laptops and connected them to their own prototype boards with the goal of building the very first machines that would run macOS on Apple’s own, custom-designed, ARM-based silicon.
To hear Apple’s Craig Federighi tell the story, it sounds a bit like a callback to Steve Wozniak in a Silicon Valley garage so many years ago. And this week, Apple finally took the big step that those engineers were preparing for: the company released the first Macs running on Apple Silicon, beginning a transition of the Mac product line away from Intel’s CPUs, which have been industry-standard for desktop and laptop computers for decades.
In a conversation shortly after the M1 announcement with Apple SVP of Software Engineering Craig Federighi, SVP of Worldwide Marketing Greg Joswiak, and SVP of Hardware Technologies Johny Srouji, we learned that—unsurprisingly—Apple has been planning this change for many, many years.
Ars spoke at length with these execs about the …

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