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Box shadows tank performance on Samsung (but not Nexus) tablets? #242

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larsbergstrom opened this issue Mar 18, 2016 · 2 comments
Closed

Box shadows tank performance on Samsung (but not Nexus) tablets? #242

larsbergstrom opened this issue Mar 18, 2016 · 2 comments

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@larsbergstrom
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@larsbergstrom larsbergstrom commented Mar 18, 2016

I'm working with the spheres.html demo. It gets ~60fps on an Android Nexus 9, but a Samsung Galaxy Tab S2 (with much better h/w and graphics chipset) only gets ~5fps, unless I remove:
box-shadow: 0 0 5px 5px rgba(61, 178, 206, 0.2);
@larsbergstrom
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@larsbergstrom larsbergstrom commented Mar 18, 2016

I should add that, with wr-stats up, the issue seems to be time spend in "CPU (compositor)", which has a Mean time of 110+ms.

I'll try to root the tablet and get a profiler pointed at it next week.
@glennw
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@glennw glennw commented Feb 7, 2017

This should be resolved now with the box-shadow caching changes. Please re-open if you can reproduce again.
@glennw glennw closed this Feb 7, 2017
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