Open
Bug 1816609
Opened 2 years ago
Updated 2 years ago
JS demo (https://www.fxhash.xyz/generative/slug/vagafilium ) takes longer to load in Nightly compared to Chrome
Categories
(Core :: JavaScript Engine, task, P3)
Core
JavaScript Engine
Tracking
()
NEW
People
(Reporter: mayankleoboy1, Unassigned)
References
(Blocks 1 open bug, )
Details
Go to https://www.fxhash.xyz/generative/slug/vagafilium (exact hash used is https://gateway.fxhash2.xyz/ipfs/QmRtqfsMzinLpXU6r9X9vuqTmBuHabkUuFrq5v8No8EUXb/?fxhash=ooZDukYsSwndCAQMRb5rkcs1X9VaRwnrMSJwfCSmr2VcoF9wwuS)
Nightly: https://share.firefox.dev/3jOvVGR
Chrome: https://share.firefox.dev/3YMjSID
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Comment 1•2 years ago
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The flame graph shows we're spending most time under IonGetPropertyIC::update converting a double (outside int32 range or with a fractional part) to a PropertyKey. It might be possible to optimize/cache this better, depending on what doubles it's passing, but it's also not the best JS code.
Severity: -- → S4
Priority: -- → P3
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Description
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