Closed Bug 1021224 Opened 11 years ago Closed 1 day ago

Speed up JS::Call

Categories

(Core :: JavaScript Engine, defect)

Product:
Core
Component:
JavaScript Engine
Type:
defect

Tracking

()

Status:
RESOLVED INCOMPLETE

People

(Reporter: terrence, Unassigned)

References

(Blocks 1 open bug)

Details

(Keywords: perf)

And improve the call machinery in general. This path currently traverses many, many layers and it is not clear which of them are really necessary at this point.
bz, do you have a simple (representative) testcase for this?
Component: JavaScript: GC → JavaScript Engine
Flags: needinfo?(bzbarsky)
Keywords: perf
The testing patch and testcase in bug 1019081 is one option. Another option is http://mozilla.pettay.fi/moztests/events/event_speed_3.html where if my profile is not lying to me the time under JS::Call is 20% or so, of which only 9% is actually running the jitcode we end up running.
Blocks: 840201, 1019081
Flags: needinfo?(bzbarsky)
Depends on: 1152930
Severity: normal → S3

This bug is quite old and doesn't have any specific fixes, so let's just close it.

Status: NEW → RESOLVED
Closed: 1 day ago
Resolution: --- → INCOMPLETE
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