Improve performance of _insertNodes
#17522
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Suggested merge commit message (convention)
Other (engine): Improve performance of
_insertNodes.In #17456 I improved the performance of
spliceArray. However, it turned out that it still does more than we need and because it's called often, we pay a price for it. This PR reduces the number of intermediate arrays we make whenever_insertNodesis called.Below are the improvements (while on the
remove-registerViewToModelLengthbranch, the percentages will be different onmaster)formattingLongPinlineStylesmixedwiki