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Virtualisation on Apple silicon Macs: 1 How well does it work?

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Lightweight virtualisation has come to Apple silicon Macs. How well does it work, though? Are there any significant limitations?

July 4, 2022 Macs, Technology

Explainer: Benchmarks

Select a test, time it, and compare the result with those from other systems. Choose whether to use a synthetic or application benchmark, and don’t forget your confirmation bias.

April 16, 2022 Macs, Technology

Benchmarking the Mac Studio (Max) and M1 Pro MacBook Pro

Which is faster, a MacBook Pro 16-inch with an M1 Pro, or a Mac Studio with an M1 Max? Tests cover P and E cores, Neural Engine, SSD and more.

April 11, 2022 Macs, Technology

Scheduling of Threads on M1 Series Chips: second draft

From the anatomy of the CPU cores, to the queues of threads in GCD, and assignment to a core cluster, this details how threads are managed for the M1 series chips.

January 25, 2022 Macs, Technology

How you can’t promote threads on an M1

Why can’t the taskpolicy command tool be used to promote software to be able to run on the M1 chip’s Performance cores? Does it change QoS?

January 24, 2022 Macs, Technology

Scheduling of Processes on M1 Series Chips: first draft

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An accessible summary of the CPU cores in M1 chips, and how they appear to be managed by macOS to get the best for different classes of process.

January 13, 2022 Macs, Technology

How macOS manages many processes on M1 cores

Results from running 10-70 identical compute-intensive processes on M1 chips shows the differences in strategy between background and high priority settings.

January 12, 2022 Macs, Technology

Power, frequency, management: how M1 E cores win

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macOS manages the loading and frequency of M1 cores according to the QoS set, and rules which differ between the original M1 and the M1 Pro.

January 3, 2022 Macs, Technology

Last Week on My Mac: On M1 chips 1 + 1 = 4

How the two Efficiency cores in the M1 Pro and Max chips can match the performance of all four E cores in the original M1.

January 2, 2022 Macs, Technology

Anomalies in base performance of M1 cores

How can the two E cores in an M1 Pro/Max apparently match the performance of the four in the original M1? Answers, please.

December 22, 2021 Macs, Technology

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