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lib: make navigator properties lazy - #53649
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Noticed in some benchmarking/profiling that the Navigator object constructor was rather expensive and slow due to initialization of properties during construction. It makes more sense for these to be lazily initialized on first access.
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Noticed in some benchmarking/profiling that the Navigator object constructor was rather expensive and slow due to initialization of properties during construction. It makes more sense for these to be lazily initialized on first access. PR-URL: #53649 Reviewed-By: Moshe Atlow <moshe@atlow.co.il> Reviewed-By: Filip Skokan <panva.ip@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Yagiz Nizipli <yagiz.nizipli@sentry.io> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
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Preserves #53649. PR-URL: #53765 Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Daeyeon Jeong <daeyeon.dev@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
aduh95 pushed a commit
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Noticed in some benchmarking/profiling that the Navigator object constructor was rather expensive and slow due to initialization of properties during construction. It makes more sense for these to be lazily initialized on first access. PR-URL: #53649 Reviewed-By: Moshe Atlow <moshe@atlow.co.il> Reviewed-By: Filip Skokan <panva.ip@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Yagiz Nizipli <yagiz.nizipli@sentry.io> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
aduh95 pushed a commit
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Preserves #53649. PR-URL: #53765 Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Daeyeon Jeong <daeyeon.dev@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
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Preserves nodejs#53649. PR-URL: nodejs#53765 Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Daeyeon Jeong <daeyeon.dev@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
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Noticed in some benchmarking/profiling that the Navigator object constructor was rather expensive and slow due to initialization of properties during construction. It makes more sense for these to be lazily initialized on first access.
Flamegraphs... of `node -pe "navigator"
Before:
After:
