4ee326f52c
Add documentation for JS memory profiler in Fantom ( #53226 )
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Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/53226
Changelog: [internal]
This adds documentation about how to take JS memory heap snapshots in Fantom.
Reviewed By: lenaic
Differential Revision: D80090283
fbshipit-source-id: 04f66a62aa756d1020b8d8ef6fc0ea7e68341710
2025-08-12 11:08:08 -07:00
90804fd088
Add documentation for JS sampling profiler in Fantom ( #53227 )
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Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/53227
Changelog: [internal]
This adds docs for the new JS sampling profiler in Fantom
Reviewed By: lenaic
Differential Revision: D80090284
fbshipit-source-id: 0f7fa498cf141a51ac6fda331522945d42fc494d
2025-08-12 11:08:08 -07:00
e2035379b6
Add documentation for debugging in Fantom ( #53228 )
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Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/53228
Changelog: [internal]
This adds some documentation about how to debug Fantom tests (C++ and JS).
Reviewed By: lenaic
Differential Revision: D80090286
fbshipit-source-id: 435d2079abfe72e93de0c297347b15dc39b25a89
2025-08-12 11:08:08 -07:00
0bf7721862
Use Jest naming for test regex in Fantom docs ( #53229 )
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Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/53229
Changelog: [internal]
Tiny change to align with how Jest refers to this argument in its docs: https://jestjs.io/docs/cli#jest-regexfortestfiles
Reviewed By: lenaic
Differential Revision: D80090285
fbshipit-source-id: 86a4ad75078eb9b7575fca9659cc1a2e678f7a0a
2025-08-12 11:08:08 -07:00
15373218ec
Add granular control with pragma modes ( #52894 )
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Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/52894
Adds the following boolean pragma modes for more granular control:
```
fantom_native_opt true|false
fantom_js_opt true|false
fantom_js_bytecode true|false
```
Previously these were all set together with `fantom_mode`. These modes are mutually exclusive with `fantom_mode`.
Changelog: [Internal]
Reviewed By: rubennorte
Differential Revision: D79151687
fbshipit-source-id: 59c3f20bccb570c0293ffd037609946a1a9bbb8f
2025-07-30 14:22:22 -07:00
6d51bce9ed
Refactor native/js modes ( #52822 )
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Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/52822
Refactors underlying modes by adding `isNativeOpt`, `isJsOpt`, and `isJsBytecode` to allow for more granular control in a future diff.
### View ###
| (index) | Task name | Latency average (ns) | Latency median (ns) | Throughput average (ops/s) | Throughput median (ops/s) | Samples |
| ------- | --------------------------------------------------------- | ---------------------- | ------------------------- | -------------------------- | ------------------------- | ------- |
| 0 | 'render 100 uncollapsable views' | '23005778.16 ± 0.53%' | '22877194.50 ± 11607.50' | '43 ± 0.50%' | '44' | 64 |
| 1 | 'render 1000 uncollapsable views' | '271276451.70 ± 0.61%' | '268378201.00 ± 9925.00' | '4 ± 0.59%' | '4' | 64 |
| 2 | 'render 100 views with large amount of props and styles' | '47580650.91 ± 1.21%' | '47212012.00 ± 2979.00' | '21 ± 0.89%' | '21' | 64 |
| 3 | 'render 1000 views with large amount of props and styles' | '521237370.22 ± 1.09%' | '516142815.00 ± 41682.00' | '2 ± 0.84%' | '2' | 64 |
| 4 | 'render 1500 views with large amount of props and styles' | '828143691.48 ± 0.94%' | '824723257.50 ± 11331.50' | '1 ± 0.73%' | '1' | 64 |
### View (mode 🚀 , jsMode 🚀 , bytecode) ###
| (index) | Task name | Latency average (ns) | Latency median (ns) | Throughput average (ops/s) | Throughput median (ops/s) | Samples |
| ------- | --------------------------------------------------------- | ---------------------- | -------------------------- | -------------------------- | ------------------------- | ------- |
| 0 | 'render 100 uncollapsable views' | '4051033.45 ± 2.01%' | '3876618.00' | '251 ± 1.29%' | '258' | 247 |
| 1 | 'render 1000 uncollapsable views' | '86134420.23 ± 1.38%' | '85815369.50 ± 281477.50' | '12 ± 1.38%' | '12' | 64 |
| 2 | 'render 100 views with large amount of props and styles' | '13921817.92 ± 2.57%' | '13474963.50 ± 4977.50' | '72 ± 1.62%' | '74' | 72 |
| 3 | 'render 1000 views with large amount of props and styles' | '182664526.31 ± 0.74%' | '181872565.00 ± 10281.00' | '5 ± 0.73%' | '5' | 64 |
| 4 | 'render 1500 views with large amount of props and styles' | '313110386.45 ± 1.13%' | '307934163.50 ± 156920.50' | '3 ± 1.07%' | '3' | 64 |
Changelog: [Internal]
Reviewed By: rubennorte
Differential Revision: D78912257
fbshipit-source-id: 16fd0301af98159dbb9818cb8092bd4416ef2559
2025-07-30 14:22:22 -07:00
d6f29c8afd
RN: Move {packages => private}/react-native-fantom ( #51938 )
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Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/51938
Moves `packages/react-native-fantom` to `private/react-native-fantom`.
Changelog:
[Internal]
Reviewed By: huntie
Differential Revision: D76368959
fbshipit-source-id: 8d62f792229c10cd108dc849e8629d3174dc72c1
2025-06-11 23:49:51 -07:00
Rubén Norte
Devan Buggay
Tim Yung