Open Bug 1734662 Opened 3 years ago Updated 2 years ago

[Speedometer] NtProtectVirtualMemory is expensive in EmberJS-TodoMVC subtest

Categories

(Core :: JavaScript Engine: JIT, defect, P3)

Product:
Core
Component:
JavaScript Engine: JIT
Type:
defect

Tracking

()

People

(Reporter: denispal, Unassigned)

References

(Blocks 1 open bug)

Details

mprotect consumes about 24ms in this subtest which seems a bit expensive (5% of the execution).

Profile here: https://share.firefox.dev/3mwvez8

4ms are attributed to Ion, 6ms to Ion CacheIR and 14ms for Baseline.
Maybe we should look at batching the compilations.

Blocks: sm-defects-benchmark
Severity: -- → S4
Priority: -- → P3
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