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Inside M4 chips: Matrix processing and Power Modes

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A matrix multiplication test appears to be run on the AMX matrix co-processor, and behaves differently from in-core tests. And what Power modes really do.

November 27, 2024 Macs, Technology

Explainer: Vectors, Accelerate and poor performance on M1 Macs

Some apps and other code doesn’t appear to run faster on M1 chips, and some even runs more slowly. Could this be a result of it not using the best acceleration for vectors and matrices?

December 18, 2021 Macs, Technology
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