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efficiency

Last Week on My Mac: The evolution of Apple silicon

The M2 Pro and Max gain an extra two Efficiency cores, compared to their M1 equivalents. What effect will that have on their performance, and what of the M2 Ultra?

January 22, 2023 Macs, Technology

Can you game core allocation on Apple silicon?

Some threads are set to run in the background, and get allocated to the E cores. Could you run them in a VM, and effectively promote them to run on P cores instead?

November 28, 2022 Macs, Technology

Inside Apple Archive: performance and control

How to work out how many threads and which cores are needed to achieve a compression rate up to 1.7 GB/s, and how to estimate power and energy.

May 11, 2022 Macs, Technology

When an M1 Mac mini is faster than an M1 Pro: contention and core allocation

When running some tasks confined to E cores, the original M1 chip from 2020 completes them significantly quicker than an on an M1 Pro. Here’s the detail.

February 7, 2022 Macs, Technology

Last Week on My Mac: Core allocation in M1 chips

Users and other processes have very limited control over which threads are run on which type of core. As Apple Silicon develops, this is an area set for change.

February 6, 2022 Macs, Technology

Do M1 Pro and Max CPUs run slower on battery?

Does your M1 Mac run more slowly when it’s on battery power, or with Low Power mode enabled? An exploration of effects on its CPU cores provides an unexpected answer.

December 8, 2021 Macs, Technology

Comparing performance of M1 chips: 4 Icestorm

T T Read More

The E cores on the original M1 and M1 Pro chips appear to be managed quite differently, with respect to the performance of background processes at low QoS.

December 7, 2021 Macs, Technology

Making best use of your backups

How often, and how much? Decide by thinking through how you would use your backup to restore your Mac after disaster.

July 5, 2016 Macs, Technology

Click on OK

There is a strong correlation between the number of clicks required to complete a task and your subjective feeling of dissatisfaction with that app’s human interface.

May 11, 2015 General, Macs, Painting, Technology

Lightfooted

The days when I would ‘train’ by deliberately walking with a heavy rucsac are long past. Now I […]

February 11, 2015 General, Life

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