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Apple has released this webpage and seems like a lot of computer are at risk.
How does disabling hyper-threading affect hardware and software performance of a specific Mac?
How to run the tests?
Testing conducted by Apple in May 2019 showed as much as a 40 percent reduction in performance with tests that include multithreaded workloads and public benchmarks. Performance tests are conducted using specific Mac computers. Actual results will vary based on model, configuration, usage, and other factors.
2 months ago