Closed Bug 787735 Opened 12 years ago Closed 9 years ago

IonMonkey: Investigate performance regression caused by 32bit load/store on x64.

Categories

(Core :: JavaScript Engine, defect)

Product:
Core
Component:
JavaScript Engine
Platform:
x86_64
Linux
Type:
defect
Priority:
Not set
Severity:
normal

Tracking

()

Status:
RESOLVED DUPLICATE of bug 1147430

People

(Reporter: nbp, Unassigned)

References

(Blocks 1 open bug)

Details

(Whiteboard: [ion:t])

Bug 787292 (5059a4152b84) handles 64 bits values as 2 parts of 32 bits. It globally improved the performances, but reduced by ~ 2x the perf of misc-basic-closures. This bug can be reproduced on AWFY, and on a Core i7.
Assignee: general → nobody
Status: NEW → RESOLVED
Closed: 9 years ago
Resolution: --- → DUPLICATE
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