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[Android] LinkedList iteration in ImageProducer is surprisingly slow #143721

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flutter/engine
#51494
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[Android] LinkedList iteration in ImageProducer is surprisingly slow#143721
flutter/engine
#51494
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gmackall
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P2Important issues not at the top of the work listengineflutter/engine related. See also e: labels.platform-androidAndroid applications specificallyr: fixedIssue is closed as already fixed in a newer versionteam-androidOwned by Android platform teamtriaged-androidTriaged by Android platform team
@jonahwilliams

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@jonahwilliams
jonahwilliams
opened on Feb 19, 2024

After removing the fence waiting from #143720 , the CPU trace looks like the following. it looks like 46ms out of 232ms is spent in linked list iteration methods. Maybe we can re-arrange this to use ArrayList to make it faster.

image

See also: #142153

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P2Important issues not at the top of the work listengineflutter/engine related. See also e: labels.platform-androidAndroid applications specificallyr: fixedIssue is closed as already fixed in a newer versionteam-androidOwned by Android platform teamtriaged-androidTriaged by Android platform team

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