Closed
Bug 1537893
Opened 6 years ago
Closed 1 year ago
DOM Attributes (Prototype) addClassName and readAttribute are slow
Categories
(Core :: JavaScript Engine, defect, P3)
Tracking
()
RESOLVED
INCOMPLETE
People
(Reporter: linuxcbon, Unassigned)
References
(Blocks 1 open bug)
Details
(Keywords: perf)
User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:66.0) Gecko/20100101 Firefox/66.0
Steps to reproduce:
run http://dromaeo.com/?jslib
in firefox and chrome
Actual results:
FIREFOX 66.0
Prototype - addClassName: 587.13runs/s ±30.79%
Prototype - readAttribute: 1171.82runs/s ±32.44%
GOOGLE CHROME 73.0.3683.75
Prototype - addClassName: 924.21runs/s ±21.37%
Prototype - readAttribute: 2177.06runs/s ±11.59%
Expected results:
addClassName and readAttribute should be 2x faster
Component: Untriaged → DOM: Core & HTML
Keywords: perf
OS: Unspecified → Linux
Product: Firefox → Core
Hardware: Unspecified → x86_64
Component: DOM: Core & HTML → JavaScript Engine
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Updated•6 years ago
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Has STR: --- → yes
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Updated•6 years ago
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Priority: -- → P3
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Updated•3 years ago
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Severity: normal → S3
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Comment 2•1 year ago
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Looking at our Dromaeo numbers on perfherder, I am just going to mark this as incomplete. We'd need to revisit this totally, but dromaeo isn't where our efforts are aimed these days.
Status: UNCONFIRMED → RESOLVED
Closed: 1 year ago
Resolution: --- → INCOMPLETE
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Description
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