Test: iPhone 8 and iPhone 7 performance after the Spectre and Meltdown patches

Sectre and Meltdown shook the tech industry - they allow malicious code to peek at protected data. They do it by exploiting CPU features meant to speed up execution, so the solution is simple but unpleasant - devs have to circumvent those performance-enhancing features. We were prompted by the huge performance hit to the iPhone 6 after the update to see if the newer models are similarly affected. So we found an iPhone 8 Plus at the office that was still running iOS 11.1.2 - before...

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