Switching "deep-equal" package for "fast-deep-equal". #1665
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…nificant performance boost for Total Blocking Time, especially for large layout service payloads.
pzi
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Nov 20, 2023
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@Davy803 Thank you for submitting your contribution! I've added a ticket containing all the details, which has been added to our internal backlog for thorough review |
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…l" - based on #1665 (#1719) * Switching "deep-equal" package for "fast-deep-equal". This gave a significant performance boost for Total Blocking Time, especially for large layout service payloads. * update yarn.lock * update yarn.lock * update changelog * use latest version of fast-deep-equal; @remove types/deep-equal * fix changelog entry * Minor update to CHANGELOG.md * Update CHANGELOG.md --------- Co-authored-by: David <[email protected]> Co-authored-by: Illia Kovalenko <[email protected]>
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…ual" - based on #1665 (#1719) * Switching "deep-equal" package for "fast-deep-equal". This gave a significant performance boost for Total Blocking Time, especially for large layout service payloads. * update yarn.lock * update yarn.lock * update changelog * use latest version of fast-deep-equal; @remove types/deep-equal * fix changelog entry * Minor update to CHANGELOG.md * Update CHANGELOG.md --------- Co-authored-by: David <[email protected]> Co-authored-by: Illia Kovalenko <[email protected]>
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Description / Motivation
We were noticing that
deepEqualincomponentDidUpdateofSitecoreContextwas taking up a significant chunk of time for large Layout Service payloads.The package "fast-deep-equal" shows 100x faster performance in benchmarks compared to "deep-equal".
This was the only usage of the "deep-equal" package, so we were able to replace the dependency entirely.
Testing Details
There is no functional change, only performance change, so no new unit tests. We have implemented this change on 2 different projects and have not seen any issues, just faster performance.
In our Lighthouse tests for one of our projects, we saw the Total Blocking Time reduced from 1090ms to 20ms in Desktop, and from 5170ms to 330ms in mobile. The results were reproducible, and we saw significant gains in a different project.
Types of changes
Not technically a bug, but it's not new functionality either.