Closed
Bug 1348850
Opened 8 years ago
Closed 5 years ago
Add an IC stub for adding the first expando property to unboxed objects
Categories
(Core :: JavaScript Engine: JIT, enhancement, P2)
Core
JavaScript Engine: JIT
Tracking
()
RESOLVED
INVALID
| Performance Impact | low |
People
(Reporter: jandem, Unassigned)
References
(Blocks 1 open bug)
Details
(Keywords: perf)
Bug 1328140 regressed Octane-box2d. I think the reason is a pre-existing performance cliff from unboxed objects: the ICs don't attach a stub when adding the first expando property.
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Updated•8 years ago
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Whiteboard: [qf]
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Comment 1•8 years ago
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Hey jan, does this bug have a big impact on speedometer? Any way to find out.
Flags: needinfo?(jdemooij)
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Updated•8 years ago
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Whiteboard: [qf] → [qf:investigate]
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Updated•8 years ago
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Whiteboard: [qf:investigate] → [qf:p3]
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Reporter | |
Comment 2•8 years ago
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(In reply to Kannan Vijayan [:djvj] from comment #1)
> Hey jan, does this bug have a big impact on speedometer?
Not that I know of. It does affect Octane-box2d and it's just one of these perf cliffs that can show up anywhere so we should fix it at some point.
Flags: needinfo?(jdemooij)
Priority: P1 → P2
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Comment 3•5 years ago
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No longer valid because unboxed objects have been removed.
Status: NEW → RESOLVED
Closed: 5 years ago
Resolution: --- → INVALID
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Updated•3 years ago
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Performance Impact: --- → P3
Whiteboard: [qf:p3]
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Description
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