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Earlier selector cache lookup #1720
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…xperimental#1681) Summary: Pull Request resolved: facebookexperimental#1681 Minor completeness for the API to allow atoms to be initialized to `Promise` types by wrapping them, similar to atom defaults. To properly allow Promises and such as atom values we also need the ability to set atoms to Promises. The point of this diff is to provide completeness and for future work to support async atoms Differential Revision: https://www.internalfb.com/diff/D34975767?entry_point=27 fbshipit-source-id: 7846112e86a9a4af82a4e76da06944ec02c9f54e
Summary: More red lines! While supporting some users I realized an opportunity to simplify the selector implementation slightly and optimize cache lookups to happen earlier. Previously, selectors would not cache their own value in the store state, only their dependencies. So, repeated lookups of a selector would require looking up in the more expensive selector tree cache. This optimization fixes that. It also makes `Snapshot` clones more robust by always cloning the `TreeState` to avoid snapshot selector lookup aching to inadvertently affect the parent store, which may cause atoms to skip initialization now that we are more aggresively caching. * Performance test of reading 100 selectors 100 times each took 1/3rd the time. * Performance test of reading 100 selectors with 100 dependencies 100 times each took 1/3rd the time. Differential Revision: D35492328 fbshipit-source-id: 6ed71c326c78fe369cd6c73831cbf67467340343
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This pull request was exported from Phabricator. Differential Revision: D35492328 |
drarmstr
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Apr 8, 2022
Summary: Pull Request resolved: facebookexperimental#1720 More red lines! While supporting some users I realized an opportunity to simplify the selector implementation slightly and optimize cache lookups to happen earlier. Previously, selectors would not cache their own value in the store state, only their dependencies. So, repeated lookups of a selector would require looking up in the more expensive selector tree cache. This optimization fixes that. It also makes `Snapshot` clones more robust by always cloning the `TreeState` to avoid snapshot selector lookup aching to inadvertently affect the parent store, which may cause atoms to skip initialization now that we are more aggresively caching. * Performance test of reading 100 selectors 100 times each took 1/3rd the time. * Performance test of reading 100 selectors with 100 dependencies 100 times each took 1/3rd the time. Differential Revision: https://www.internalfb.com/diff/D35492328?entry_point=27 fbshipit-source-id: 777d9e40ed23eb2e7ff276f489783b8f7553ddfb
drarmstr
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Apr 12, 2022
Summary: Pull Request resolved: facebookexperimental#1720 More red lines! While supporting some users I realized an opportunity to simplify the selector implementation slightly and optimize cache lookups to happen earlier. Previously, selectors would not cache their own value in the store state, only their dependencies. So, repeated lookups of a selector would require looking up in the more expensive selector tree cache. This optimization fixes that. It also makes `Snapshot` clones more robust by always cloning the `TreeState` to avoid snapshot selector lookup aching to inadvertently affect the parent store, which may cause atoms to skip initialization now that we are more aggresively caching. * Performance test of reading 100 selectors 100 times each took 1/3rd the time. * Performance test of reading 100 selectors with 100 dependencies 100 times each took 1/3rd the time. Differential Revision: https://www.internalfb.com/diff/D35492328?entry_point=27 fbshipit-source-id: 237e8b138d4869558b9aa8a89b795157600e9aae
AlexGuz23
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Nov 3, 2022
Summary: Pull Request resolved: facebookexperimental/Recoil#1720 More red lines! While supporting some users I realized an opportunity to simplify the selector implementation slightly and optimize cache lookups to happen earlier. Previously, selectors would not cache their own value in the store state, only their dependencies. So, repeated lookups of a selector would require looking up in the more expensive selector tree cache. This optimization fixes that. It also makes `Snapshot` clones more robust by always cloning the `TreeState` to avoid snapshot selector lookup aching to inadvertently affect the parent store, which may cause atoms to skip initialization now that we are more aggresively caching. * Performance test of reading 100 selectors 100 times each took 1/3rd the time. * Performance test of reading 100 selectors with 100 dependencies 100 times each took 1/3rd the time. Reviewed By: noritheduck Differential Revision: D35492328 fbshipit-source-id: 89547b97a7f61b03153cf3afe366a6f47ef22e52
snipershooter0701
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Mar 5, 2023
Summary: Pull Request resolved: facebookexperimental/Recoil#1720 More red lines! While supporting some users I realized an opportunity to simplify the selector implementation slightly and optimize cache lookups to happen earlier. Previously, selectors would not cache their own value in the store state, only their dependencies. So, repeated lookups of a selector would require looking up in the more expensive selector tree cache. This optimization fixes that. It also makes `Snapshot` clones more robust by always cloning the `TreeState` to avoid snapshot selector lookup aching to inadvertently affect the parent store, which may cause atoms to skip initialization now that we are more aggresively caching. * Performance test of reading 100 selectors 100 times each took 1/3rd the time. * Performance test of reading 100 selectors with 100 dependencies 100 times each took 1/3rd the time. Reviewed By: noritheduck Differential Revision: D35492328 fbshipit-source-id: 89547b97a7f61b03153cf3afe366a6f47ef22e52
eagle2722
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Sep 21, 2024
Summary: Pull Request resolved: facebookexperimental/Recoil#1720 More red lines! While supporting some users I realized an opportunity to simplify the selector implementation slightly and optimize cache lookups to happen earlier. Previously, selectors would not cache their own value in the store state, only their dependencies. So, repeated lookups of a selector would require looking up in the more expensive selector tree cache. This optimization fixes that. It also makes `Snapshot` clones more robust by always cloning the `TreeState` to avoid snapshot selector lookup aching to inadvertently affect the parent store, which may cause atoms to skip initialization now that we are more aggresively caching. * Performance test of reading 100 selectors 100 times each took 1/3rd the time. * Performance test of reading 100 selectors with 100 dependencies 100 times each took 1/3rd the time. Reviewed By: noritheduck Differential Revision: D35492328 fbshipit-source-id: 89547b97a7f61b03153cf3afe366a6f47ef22e52
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Summary:
More red lines!
While supporting some users I realized an opportunity to simplify the selector implementation slightly and optimize cache lookups to happen earlier. Previously, selectors would not cache their own value in the store state, only their dependencies. So, repeated lookups of a selector would require looking up in the more expensive selector tree cache. This optimization fixes that. It also makes
Snapshotclones more robust by always cloning theTreeStateto avoid snapshot selector lookup aching to inadvertently affect the parent store, which may cause atoms to skip initialization now that we are more aggresively caching.Differential Revision: D35492328