react-native-performance-tests

Good Resources

• Memoize by mrousavy
• Performance Almanac by Kelset
• Performance Guide by Callstack
• Extreme Optimization of AsyncStorage by Sendbird
• Optimizing React Native by Coinbase
• Tips on profiling memory by Software Mansion
• How To Make Your React Native App More Performant?

Libraries to check out

• https://github.com/oblador/react-native-performance
• https://github.com/Kudo/react-native-js-benchmark
• https://github.com/Kudo/react-native-cli-plugin-benchmark
• https://github.com/mrousavy/react-native-mmkv/blob/master/example/src/Benchmarks.ts
• https://github.com/doomsower/react-native-startup-time
• https://github.com/kirillzyusko/react-native-bundle-splitter

0.63

• RN 0.63, Android on-device Pixel 3a: WatermelonDB 10,000 Records, no JSI, Hermes Off: 579ms

• RN 0.63, Android on-device Pixel 3a: WatermelonDB 10,000 Records, no JSI, Hermes On: 247ms

• RN 0.63, iPhone 11 Simulator Release Mode: WatermelonDB 10,000 Records, no JSI, Hermes Off (0.63 doesn't support Hermes) : 437ms

0.64

• RN 0.64, Android on-device Pixel 3a: WatermelonDB 10,000 Records, no JSI, Hermes Off: 541ms

• RN 0.64, Android on-device Pixel 3a: WatermelonDB 10,000 Records, no JSI, Hermes On: 233ms

• RN 0.64, iPhone 11 Simulator Release Mode: WatermelonDB 10,000 Records, no JSI, Hermes Off: 422ms

• RN 0.64, iPhone 11 Simulator Release Mode: WatermelonDB 10,000 Records, no JSI, Hermes On : 226ms