2 years ago
How macOS manages M1 CPU cores
From the 8 cores of the original M1 chip to the M1 Ultra’s 20, this is how macOS manages threads from apps, services and other code. In conventional multi-core processors, like the Intel CPUs used in previous Mac models, all cores are the same. Allocating threads to cores is therefore a matter of balancing their load, in what’s termed symmetric multiprocessing (SMP).
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