Slow scrolling performance on large changeset on hg.mozilla.org (VBO upload)
Categories
(Core :: Graphics: WebRender, defect, P3)
Tracking
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People
(Reporter: jnicol, Unassigned)
References
(Blocks 1 open bug, )
Details
(Keywords: perf)
https://hg.mozilla.org/try/rev/c9a38c237a1d921b06b962edb9d14f5596a7a472
Profile: https://perfht.ml/2VcVsZT - Taken on android, but performance is bad on Linux too.
Most of the time spent in glBufferData() called from Renderer::draw_instanced_batch().
It seems to be bad when scrolling through the list of files changed, and okay when scrolling through the code changes themselves.
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Updated•4 years ago
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Comment 1•4 years ago
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We believe that although this is a real issue. It's rare for users, particularly mobile users to encounter this on their actual phones. There's enough bugs open on large pages with lots of text being slow due to slow reflows and such like that. Therefore qf-.
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Comment 2•4 years ago
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Because this bug's Severity has not been changed from the default since it was filed, and it's Priority is P3 (Backlog,) indicating it has been triaged, the bug's Severity is being updated to S3 (normal.)
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Updated•4 years ago
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Reporter | |
Comment 3•4 years ago
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This is a million times better now, presumably due to bug 1645665. Still some room for improvement, however, so I'll leave open
Description
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