How R8 made Kotlin Coroutines on Android 2x faster
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What happened
Posted by Andrei Shikov, Senior Software Engineer, Android Toolkit and Jonathan Starup, Software Engineer, R8 Team Starting from AGP 9.2.0, R8 optimizes most Atomic*FieldUpdater calls into Unsafe variants that perform 2x to 4x better on common operations . This has a particularly large impact on the kotlinx.atomicfu library that implements atomics for kotlinx.coroutines , making launching and cancelling coroutines u…
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- How R8 made Kotlin Coroutines on Android 2x fasterAndroid Developers Blog