Skip to content

The Eclectic Light Company

Macs, painting, and more
Main navigation
  • Downloads
  • M1 & M2 Macs
  • Mac Problems
  • Mac articles
  • Art
  • Macs
  • Painting

power

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

Running tasks on E cores can use a third of the energy of P cores

Using a test of compressing a 1 GB file with AppleArchive, measurements of power used by core clusters show how efficient using the E cores really is.

May 3, 2022 Macs, Technology

The hunt for the M1’s neural engine

How can you tell when software uses the Neural Engine in an M1 series Mac? How much power does it use, and what is Espresso? Mysteries unravelled.

March 30, 2022 Macs, Technology

Last Week on My Mac: Hurricane and Icestorm

Asymmetric Multiprocessing (AMP) can bring great economy in power and heat production. So why don’t we make better use of it on M1 Macs?

September 5, 2021 Macs, Technology

Powering your Mac: power filters and UPS

A UPS is essential for Macs without internal batteries, to ensure they can shut down in an orderly fashion when mains power is lost. Here’s how to choose one.

August 31, 2021 Macs, Technology

How your Mac may talk in its sleep thanks to HID

If you power your Mac from a UPS with a USB connection, sleep may not be all it’s supposed to be.

June 20, 2020 Macs, Technology

Should you leave your Mac running all the time?

What are the benefits to leaving your Mac running all the time? And the costs? Which should you choose to do?

May 14, 2019 Macs, Technology

Apple recalls AC Wall Plug Adaptors

Apple now has two recall programs for AC wall plug adaptors. Check all your Apple-supplied power adaptors to […]

April 25, 2019 General, Macs, Technology

A lexicon of Mac power adaptors, from MagSafe to USB-C

Which adaptor to use with which laptop Mac. And a detailed directory of macOS features and services around the world.

January 1, 2019 Macs, Technology

The uninterruptible power of a cat: replacing my UPS

The cat broke my UPS. Here’s how I chose its replacement, and installed it despite the cat. Why are they sold by so few outlets, though?

December 15, 2018 Macs, Technology

Posts navigation

Previous1 2 3 Next
Blog at WordPress.com.
Footer navigation
  • About & Contact
  • Macs
  • Painting
  • Language
  • Tech
  • Life
  • General
  • Downloads
  • Mac problem-solving
  • Extended attributes (xattrs)
  • Painting topics
  • Hieronymus Bosch
  • English language
  • LockRattler: 10.12 Sierra
  • LockRattler: 10.13 High Sierra
  • LockRattler: 10.11 El Capitan
  • Updates: El Capitan
  • Updates: Sierra, High Sierra, Mojave, Catalina, Big Sur
  • LockRattler: 10.14 Mojave
  • SilentKnight, silnite, LockRattler, SystHist & Scrub
  • DelightEd & Podofyllin
  • xattred, Metamer, Sandstrip & xattr tools
  • 32-bitCheck & ArchiChect
  • T2M2, Ulbow, Consolation and log utilities
  • Cirrus & Bailiff
  • Taccy, Signet, Precize, Alifix, UTIutility, Sparsity, alisma
  • Revisionist & DeepTools
  • Text Utilities: Nalaprop, Dystextia and others
  • PDF
  • Keychains & Permissions
  • LockRattler: 10.15 Catalina
  • Updates
  • Spundle, Cormorant, Stibium, Dintch, Fintch and cintch
  • Long Reads
  • Mac Troubleshooting Summary
  • LockRattler: 11.0 Big Sur
  • M1 & M2 Macs
  • Mints: a multifunction utility
  • LockRattler: 12.x Monterey
  • VisualLookUpTest
  • Virtualisation on Apple silicon
  • LockRattler: 13.x Ventura
Secondary navigation
  • Search

Begin typing your search above and press return to search. Press Esc to cancel.

  • Follow Following
    • The Eclectic Light Company
    • Join 3,127 other followers
    • Already have a WordPress.com account? Log in now.
    • The Eclectic Light Company
    • Customize
    • Follow Following
    • Sign up
    • Log in
    • Report this content
    • View site in Reader
    • Manage subscriptions
    • Collapse this bar
 

Loading Comments...