5 ms·

I wonder if anyone will do an analysis like this for Mac

pkaye 11y ago
On (recent) Macs, they have the Energy Impact numbers on the Activity Monitor. It can give a metric on which applications are taking up the most energy. However it doesn't show many of the system processes...
- msbarnett 11y ago
  View Menu -> All Processes. It's only showing you Applications from the last 8 hours by default.
- Someone 11y ago
  The menu of the battery status indicator also shows a summary of this, if there are applications that are using lots of power (see https://support.apple.com/en-us/HT202776 https://support.apple.com/en-us/HT202776)
- masklinn 11y ago
  For those interested in the way Energy Impact is computed: https://blog.mozilla.org/nnethercote/2015/08/26/what-does-the-os-x-activity-monitors-energy-impact-actually-measure/ https://blog.mozilla.org/nnethercote/2015/08/26/what-does-th... In 10.9 it was a simple function of on-CPU time and wakeups with each wakeup counted as 500µs of CPU time, in 10.10 a bunch of new counters were added (with machine-specific conversions to CPU time estimates) variables were added to the mix: whether the process was in "background" QoS, the number of disk read/writes, GPU usage and network activity (in packets#)
Bud 11y ago
You kinda don't need to, because unlike Microsoft and Lenovo, Apple doesn't load down its computers with undisclosed crapware that the user neither needs nor requested.
- mwcampbell 11y ago
  But unless Mac OS X becomes as strict about background processes as iOS, third-party applications can still waste energy.
  - Angostura 11y ago
    Apple did some lovely stuff with OSX Mavericks that at least tries to mitigate this http://arstechnica.com/apple/2013/10/os-x-10-9/12/ http://arstechnica.com/apple/2013/10/os-x-10-9/12/
  - icefox 11y ago
    After they added the menu telling me which 3rd party apps were wasting energy I reported bugs to them all and within about a year they had all removed whatever polling code and they dropped dramatically in power usage, today Google Chrome is the only 3rd party app that I use from time to time that drains my battery.

pkaye 11y ago

On (recent) Macs, they have the Energy Impact numbers on the Activity Monitor. It can give a metric on which applications are taking up the most energy. However it doesn't show many of the system processes...

msbarnett 11y ago
View Menu -> All Processes. It's only showing you Applications from the last 8 hours by default.
Someone 11y ago
The menu of the battery status indicator also shows a summary of this, if there are applications that are using lots of power (see https://support.apple.com/en-us/HT202776 https://support.apple.com/en-us/HT202776)
masklinn 11y ago
For those interested in the way Energy Impact is computed: https://blog.mozilla.org/nnethercote/2015/08/26/what-does-the-os-x-activity-monitors-energy-impact-actually-measure/ https://blog.mozilla.org/nnethercote/2015/08/26/what-does-th... In 10.9 it was a simple function of on-CPU time and wakeups with each wakeup counted as 500µs of CPU time, in 10.10 a bunch of new counters were added (with machine-specific conversions to CPU time estimates) variables were added to the mix: whether the process was in "background" QoS, the number of disk read/writes, GPU usage and network activity (in packets#)

Bud 11y ago

You kinda don't need to, because unlike Microsoft and Lenovo, Apple doesn't load down its computers with undisclosed crapware that the user neither needs nor requested.

mwcampbell 11y ago
But unless Mac OS X becomes as strict about background processes as iOS, third-party applications can still waste energy.
- Angostura 11y ago
  Apple did some lovely stuff with OSX Mavericks that at least tries to mitigate this http://arstechnica.com/apple/2013/10/os-x-10-9/12/ http://arstechnica.com/apple/2013/10/os-x-10-9/12/
- icefox 11y ago
  After they added the menu telling me which 3rd party apps were wasting energy I reported bugs to them all and within about a year they had all removed whatever polling code and they dropped dramatically in power usage, today Google Chrome is the only 3rd party app that I use from time to time that drains my battery.