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Extreme energy use on M1 MacBook Air.

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blgentry:
1.  Spectrum Analyzer on MC has used a lot of CPU for as long as I can remember.  I turned it off quite some time ago due to the CPU use.
2.  On my M1 13" Macbook, I see energy use of ~10 when MC is playing.  Just like yours.
3.  I've run this machine, on battery only, for about 1.5 full work days, without any charging in between.  I played MC most of this time.

So, while it's using more energy than another player, the overall on battery time I get on this laptop is phenomenal.  I've never had a laptop that would go this long on battery.  I don't know any other person that has ever had a laptop that lasted this long on battery.

I suspect that turning off MC would increase my battery life, but only by a small amount.  This is speculation.

Take care,
Brian.

verloc:
Thanks Brian.

Seems the thing to do is turn off the SA as per Lily's suggestion.

So the value of ~10 seems normal for this software on an Apple Silicon machine, it would be interesting to see if the same values are given for an Intel MacBook on the same OS and MC28.

Agreed regarding battery life, it appears to be breaking a law of physics although I do keep the screen off when playing. Since my post it's had at least 6 hours of use and the battery is still showing 83%.

Mind you, the Energy Impact figure is relative and may not be truly representative but I clearly saw the power drain when the SA was on and that was what lead me to investigate.

blgentry:

--- Quote from: verloc on October 20, 2021, 02:55:04 pm ---it would be interesting to see if the same values are given for an Intel MacBook on the same OS and MC28.

--- End quote ---

I just played a few songs on my 2014 iMac with 4 core i7 processor using MC28.  I'm seeing between 7 and 10 for energy impact.  So it seems similar-ish.

Glad you are enjoying your M1!

Brian.

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