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Summary: This diff implements an optimization / fix in the mounting layer of Fabric Android to ignore the "deletion" and "creation" of views for the same tag in the same commit. This operation is adding ~100 ns for every commit (I measured this using a release APK running in a real device). I created a QE to enable / disable this optimization and to measure the performance impact of this change in production Changelog: Implement optimization in mounting layer of Fabric Reviewed By: JoshuaGross Differential Revision: D18279240 fbshipit-source-id: d6fdeb2a9676bcfaf47886893eed5024bf86204b
Building React Native for Android
See the docs on the website.
Running tests
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