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liveview-native / liveview-client-swiftui

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[Bug]: Energy impact reporting high #1362

Closed michaelst closed 1 week ago

michaelst commented 4 months ago

What happened?

image

basic usage showing a static page is using a lot of energy and making my phone hot

Library Version

main branch

Xcode Version

Version 15.4 (15F31d)

Swift Version

swift-driver version: 1.90.11.1 Apple Swift version 5.10 (swiftlang-5.10.0.13 clang-1500.3.9.4) Target: arm64-apple-macosx14.0

On which device or simulator are you running into the problem?

iPhone

Target Device Operating System Version

17.5 (not simulator)

Relevant log output

No response

carson-katri commented 4 months ago

Apple recommends reducing CPU usage if thermal state is too high (in my tests we stay in "Nominal" and "Fair"), but in your screenshot its only actively using 8%, so there isn't much to reduce there.

So my guess is this is a combination of the network connection being constant with LVN, and the debugger being attached. You could try a release build without the debugger and see if that makes any difference in the thermal state.

bcardarella commented 1 month ago

Will close for now

bcardarella commented 1 month ago

We have another report of a high energy usage. Re-opening so we can track and gather data

bcardarella commented 1 week ago

We'll keep an eye on energy usage but for now we'll close this again as we don't see anything actionable as the CPU is 8%, the network is at 0Kb/s