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@yjbanov yjbanov commented May 28, 2020

Description

Add a variant of BenchCardInfiniteScroll that scrolls backwards. This correlates with the scrolling issue described in #55922. When we scroll backwards our DOM update logic hits a noticeable performance cliff by causing more child node moves than necessary.

Related Issues

#55922

@yjbanov yjbanov requested a review from harryterkelsen May 28, 2020 04:16
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It looks like this pull request may not have tests. Please make sure to add tests before merging. If you need an exemption to this rule, contact Hixie on the #hackers channel in Chat.

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LGTM

@yjbanov yjbanov force-pushed the bench-scroll-backward branch from 740be45 to 623340a Compare May 28, 2020 17:42
@yjbanov yjbanov merged commit be5b5c8 into flutter:master May 28, 2020
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4 participants