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Replace old Fiber Scheduler with new one #15387

Merged
merged 1 commit into from
Apr 12, 2019
Merged

Replace old Fiber Scheduler with new one #15387

merged 1 commit into from
Apr 12, 2019

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acdlite
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@acdlite acdlite commented Apr 11, 2019 •
edited
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The new Fiber Scheduler has been running in Facebook for several days without issues. Let's switch to it.

  • Remove enableNewScheduler feature flag
  • Rename ReactFiberScheduler.new.js to ReactFiberScheduler.js
  • Remove react-dom/unstable-new-scheduler build (and corresponding www build)
  • Delete dead code
    • ReactFiberScheduler.old.js
    • ReactFiberPendingPriority.js, which was only called by the old scheduler
    • Tests that checked enableNewScheduler flag

@acdlite acdlite force-pushed the replace-old-fiber-scheduler branch 2 times, most recently from f4a3569 to c9452ec Compare April 11, 2019 20:26
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sizebot commented Apr 11, 2019 •
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ReactDOM: size: -1.7%, gzip: -1.4%

Details of bundled changes.

Comparing: cdfb06e...c3af742

react-dom

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
react-dom.development.js -10.0% -9.2% 898.51 KB 808.47 KB 203.36 KB 184.73 KB UMD_DEV
react-dom.production.min.js -1.7% -1.4% 105.43 KB 103.64 KB 34.16 KB 33.68 KB UMD_PROD
react-dom.development.js -10.1% -9.2% 893.13 KB 802.95 KB 201.82 KB 183.2 KB NODE_DEV
react-dom.production.min.js -1.7% -1.4% 105.42 KB 103.63 KB 33.61 KB 33.14 KB NODE_PROD
react-dom-test-utils.development.js -0.2% -0.3% 54.29 KB 54.19 KB 15.02 KB 14.98 KB UMD_DEV
react-dom-test-utils.production.min.js 0.0% 🔺+0.1% 10.52 KB 10.52 KB 3.89 KB 3.9 KB UMD_PROD
react-dom-test-utils.development.js -0.2% -0.3% 54.01 KB 53.91 KB 14.96 KB 14.91 KB NODE_DEV
react-dom-unstable-native-dependencies.development.js 0.0% 0.0% 60.76 KB 60.76 KB 15.85 KB 15.85 KB UMD_DEV
react-dom-unstable-native-dependencies.production.min.js 0.0% 0.0% 10.69 KB 10.69 KB 3.67 KB 3.67 KB UMD_PROD
react-dom-unstable-native-dependencies.development.js 0.0% 0.0% 60.43 KB 60.43 KB 15.72 KB 15.72 KB NODE_DEV
react-dom-server.browser.development.js -0.1% -0.1% 136.83 KB 136.73 KB 35.97 KB 35.92 KB UMD_DEV
react-dom-server.browser.production.min.js 0.0% 0.0% 19.18 KB 19.18 KB 7.21 KB 7.21 KB UMD_PROD
react-dom-server.browser.development.js -0.1% -0.1% 132.96 KB 132.86 KB 35.03 KB 34.99 KB NODE_DEV
react-dom-server.browser.production.min.js 0.0% 0.0% 19.1 KB 19.1 KB 7.2 KB 7.2 KB NODE_PROD
react-dom-server.node.development.js -0.1% -0.1% 134.9 KB 134.8 KB 35.58 KB 35.54 KB NODE_DEV
react-dom-server.node.production.min.js 0.0% 0.0% 19.96 KB 19.96 KB 7.51 KB 7.51 KB NODE_PROD
ReactDOM-dev.js -10.0% -9.4% 919.33 KB 827.07 KB 203.64 KB 184.44 KB FB_WWW_DEV
ReactDOM-prod.js -1.5% -0.4% 341.06 KB 335.8 KB 62.81 KB 62.54 KB FB_WWW_PROD
ReactTestUtils-dev.js -0.4% -0.7% 51.61 KB 51.4 KB 13.93 KB 13.83 KB FB_WWW_DEV
ReactDOMServer-dev.js -0.2% -0.3% 135.16 KB 134.95 KB 34.71 KB 34.61 KB FB_WWW_DEV
react-dom.profiling.min.js -1.5% -0.6% 108.54 KB 106.95 KB 34.19 KB 33.99 KB NODE_PROFILING
ReactDOM-profiling.js -2.0% -1.2% 348.16 KB 341.18 KB 64.27 KB 63.47 KB FB_WWW_PROFILING
react-dom.profiling.min.js -1.5% -0.4% 108.43 KB 106.79 KB 34.78 KB 34.63 KB UMD_PROFILING
react-dom-unstable-fizz.browser.development.js 0.0% +0.1% 3.66 KB 3.66 KB 1.45 KB 1.45 KB UMD_DEV
react-dom-unstable-fizz.browser.production.min.js 0.0% 🔺+0.1% 1.21 KB 1.21 KB 705 B 706 B UMD_PROD
react-dom-unstable-fizz.browser.development.js 0.0% +0.1% 3.49 KB 3.49 KB 1.41 KB 1.41 KB NODE_DEV
react-dom-unstable-fizz.browser.production.min.js 0.0% 🔺+0.3% 1.05 KB 1.05 KB 635 B 637 B NODE_PROD
react-dom-unstable-fizz.node.development.js 0.0% +0.1% 3.74 KB 3.74 KB 1.43 KB 1.43 KB NODE_DEV
react-dom-unstable-fizz.node.production.min.js 0.0% 🔺+0.2% 1.1 KB 1.1 KB 666 B 667 B NODE_PROD
react-dom-unstable-fire.development.js -10.0% -9.2% 898.83 KB 808.79 KB 203.5 KB 184.87 KB UMD_DEV
react-dom-unstable-fire.production.min.js -1.7% -1.4% 105.44 KB 103.65 KB 34.17 KB 33.69 KB UMD_PROD
react-dom-unstable-fire.profiling.min.js -1.5% -0.4% 108.45 KB 106.8 KB 34.79 KB 34.64 KB UMD_PROFILING
react-dom-unstable-fire.development.js -10.1% -9.2% 893.46 KB 803.27 KB 201.95 KB 183.33 KB NODE_DEV
react-dom-unstable-fire.production.min.js -1.7% -1.4% 105.43 KB 103.64 KB 33.62 KB 33.15 KB NODE_PROD
react-dom-unstable-fire.profiling.min.js -1.5% -0.6% 108.55 KB 106.97 KB 34.2 KB 34 KB NODE_PROFILING
ReactFire-dev.js -10.0% -9.4% 918.52 KB 826.26 KB 203.69 KB 184.5 KB FB_WWW_DEV
ReactFire-prod.js -1.8% -0.7% 329.72 KB 323.77 KB 60.51 KB 60.09 KB FB_WWW_PROD
ReactFire-profiling.js -2.3% -1.4% 336.77 KB 329.12 KB 61.93 KB 61.05 KB FB_WWW_PROFILING

react-art

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
react-art.development.js -13.2% -12.5% 641.45 KB 556.46 KB 138.88 KB 121.46 KB UMD_DEV
react-art.production.min.js -1.7% -1.4% 97.15 KB 95.49 KB 29.73 KB 29.31 KB UMD_PROD
react-art.development.js -14.9% -14.4% 572.66 KB 487.49 KB 121.57 KB 104.07 KB NODE_DEV
react-art.production.min.js -2.8% -2.0% 62.18 KB 60.46 KB 19 KB 18.61 KB NODE_PROD
ReactART-dev.js -14.9% -14.9% 583.81 KB 496.65 KB 121.22 KB 103.13 KB FB_WWW_DEV
ReactART-prod.js -2.1% -1.7% 199.02 KB 194.93 KB 33.73 KB 33.15 KB FB_WWW_PROD

react-test-renderer

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
react-test-renderer.development.js -14.7% -14.4% 587.19 KB 500.9 KB 124.77 KB 106.78 KB UMD_DEV
react-test-renderer.production.min.js -2.8% -2.6% 63.47 KB 61.68 KB 19.44 KB 18.93 KB UMD_PROD
react-test-renderer.development.js -14.8% -14.5% 582.82 KB 496.44 KB 123.63 KB 105.68 KB NODE_DEV
react-test-renderer.production.min.js -2.9% -2.3% 63.19 KB 61.36 KB 19.24 KB 18.8 KB NODE_PROD
react-test-renderer-shallow.development.js -0.2% -0.4% 41.98 KB 41.88 KB 10.75 KB 10.7 KB UMD_DEV
react-test-renderer-shallow.production.min.js 0.0% 0.0% 11.63 KB 11.63 KB 3.55 KB 3.55 KB UMD_PROD
react-test-renderer-shallow.development.js -0.3% -0.6% 36.21 KB 36.11 KB 9.41 KB 9.36 KB NODE_DEV
react-test-renderer-shallow.production.min.js 0.0% 0.0% 11.81 KB 11.81 KB 3.67 KB 3.67 KB NODE_PROD
ReactTestRenderer-dev.js -14.8% -14.9% 595.51 KB 507.22 KB 123.87 KB 105.37 KB FB_WWW_DEV
ReactShallowRenderer-dev.js -0.6% -1.2% 35.29 KB 35.08 KB 8.82 KB 8.72 KB FB_WWW_DEV

react-reconciler

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
react-reconciler.development.js -15.8% -15.4% 575.84 KB 485.02 KB 121.13 KB 102.51 KB NODE_DEV
react-reconciler.production.min.js -2.9% -2.4% 63.2 KB 61.39 KB 18.81 KB 18.35 KB NODE_PROD
react-reconciler-persistent.development.js -15.8% -15.5% 573.65 KB 482.93 KB 120.2 KB 101.62 KB NODE_DEV
react-reconciler-persistent.production.min.js -2.9% -2.4% 63.21 KB 61.4 KB 18.82 KB 18.36 KB NODE_PROD
react-reconciler-reflection.development.js -0.5% -0.8% 19.28 KB 19.18 KB 6.03 KB 5.98 KB NODE_DEV
react-reconciler-reflection.production.min.js 0.0% 🔺+0.2% 2.43 KB 2.43 KB 1.09 KB 1.09 KB NODE_PROD

react

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
react.development.js -0.1% -0.2% 107.38 KB 107.28 KB 27.16 KB 27.11 KB UMD_DEV
react.development.js -0.1% -0.3% 70.14 KB 70.04 KB 18.07 KB 18.02 KB NODE_DEV
react.production.min.js 0.0% 0.0% 6.44 KB 6.44 KB 2.67 KB 2.67 KB NODE_PROD
React-dev.js -0.3% -0.6% 68.53 KB 68.32 KB 17.45 KB 17.35 KB FB_WWW_DEV
React-prod.js 0.0% 0.0% 16.02 KB 16.02 KB 4.24 KB 4.24 KB FB_WWW_PROD
React-profiling.js 0.0% 0.0% 16.02 KB 16.02 KB 4.24 KB 4.24 KB FB_WWW_PROFILING

react-native-renderer

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
ReactNativeRenderer-dev.js -12.4% -12.3% 717.38 KB 628.2 KB 152.03 KB 133.33 KB RN_FB_DEV
ReactNativeRenderer-prod.js -2.1% -1.7% 248.82 KB 243.71 KB 43.06 KB 42.35 KB RN_FB_PROD
ReactNativeRenderer-dev.js -12.4% -12.3% 717.29 KB 628.12 KB 151.99 KB 133.29 KB RN_OSS_DEV
ReactNativeRenderer-prod.js -2.1% -1.7% 248.83 KB 243.72 KB 43.06 KB 42.35 KB RN_OSS_PROD
ReactFabric-dev.js -12.6% -12.5% 706.07 KB 616.89 KB 149.31 KB 130.62 KB RN_FB_DEV
ReactFabric-prod.js -1.9% -1.6% 242.13 KB 237.48 KB 41.76 KB 41.09 KB RN_FB_PROD
ReactFabric-dev.js -12.6% -12.5% 705.98 KB 616.79 KB 149.28 KB 130.59 KB RN_OSS_DEV
ReactFabric-prod.js -1.9% -1.6% 242.14 KB 237.49 KB 41.75 KB 41.09 KB RN_OSS_PROD
ReactNativeRenderer-profiling.js -1.4% -1.2% 255.43 KB 251.91 KB 44.46 KB 43.92 KB RN_OSS_PROFILING
ReactFabric-profiling.js -1.2% -0.9% 248.09 KB 245.14 KB 43.11 KB 42.7 KB RN_OSS_PROFILING
ReactNativeRenderer-profiling.js -1.4% -1.2% 255.41 KB 251.89 KB 44.46 KB 43.92 KB RN_FB_PROFILING
ReactFabric-profiling.js -1.2% -0.9% 248.08 KB 245.13 KB 43.11 KB 42.7 KB RN_FB_PROFILING

scheduler

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
scheduler-tracing.development.js -0.9% -1.9% 10.89 KB 10.79 KB 2.67 KB 2.62 KB NODE_DEV
scheduler-tracing.production.min.js 0.0% 🔺+0.3% 728 B 728 B 381 B 382 B NODE_PROD
scheduler-tracing.profiling.min.js 0.0% +0.2% 3.26 KB 3.26 KB 998 B 1000 B NODE_PROFILING
SchedulerTracing-dev.js -2.1% -5.1% 10.22 KB 10.01 KB 2.21 KB 2.09 KB FB_WWW_DEV
scheduler-unstable_mock.production.min.js 0.0% 🔺+0.1% 4.02 KB 4.02 KB 1.59 KB 1.59 KB NODE_PROD

Generated by 🚫 dangerJS

@acdlite acdlite force-pushed the replace-old-fiber-scheduler branch 2 times, most recently from 408abe0 to c05608a Compare April 11, 2019 23:59
@acdlite
Replace old Fiber Scheduler with new one
c3af742 
The new Fiber Scheduler has been running in Facebook for several days
without issues. Let's switch to it.
@acdlite acdlite force-pushed the replace-old-fiber-scheduler branch from c05608a to c3af742 Compare April 12, 2019 00:20
@acdlite acdlite merged commit 9055e31 into facebook:master Apr 12, 2019
@MuYunyun
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MuYunyun commented Apr 12, 2019 •
edited
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Is the new implementation of Fiber Scheduler can be used independently? I'm looking forward for using it in some day!:smile:

BTW, the logic of the schedule is a bit difficult to understand, is there any articles or instruction to the core of it? Thanks.

@eps1lon eps1lon mentioned this pull request Oct 12, 2020
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@acdlite @sizebot @MuYunyun @sebmarkbage @facebook-github-bot