[5.0] [Performance] Remove chunk in List storage #13339
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100pah
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Sep 25, 2020
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This pull request is about to remove chunks in List. It makes the storage structure much flatter. And brings less and more maintainable code and faster access to storage.
We fiirst brought chunk into echarts is for reducing the possibility of clone storage in
appendData. But we found the extra cost to access by chunk is much more than the cost it saved from cloning TypedArray. So we decide to remove it.The following screenshot can demonstrate the performance improvement:
Before & After