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Flatten children to array instead of to object #4405

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jimfb opened this issue Jul 16, 2015 · 0 comments
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Flatten children to array instead of to object #4405

jimfb opened this issue Jul 16, 2015 · 0 comments

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@jimfb
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jimfb commented Jul 16, 2015

Flattening children to an array is 20 times faster than flattening to an object. For long list of elements, this shows up on the initial render flame graphs as pretty hot.
@jimfb jimfb mentioned this issue Jul 16, 2015
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jimfb added a commit to jimfb/react that referenced this issue Jul 18, 2015
@jimfb
Removed flattened children object for initial render. Fixes facebook#…
fe99e59 
…4405
jimfb added a commit that referenced this issue Jul 18, 2015
@jimfb
Merge pull request #4408 from jimfb/remove-children-map
c73f952 
Removed flattened children object.  Fixes #4405
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