Open Bug 1631954 Opened 4 years ago Updated 2 years ago

Don't prefetch the first N bytes of omnijars if startup cache is present and valid

Categories

(Toolkit :: Startup and Profile System, enhancement)

enhancement

Tracking

()

ASSIGNED
Performance Impact none

People

(Reporter: emmamalysz, Assigned: alexical)

References

(Blocks 1 open bug)

Details

(Keywords: perf:startup)

We currently prefetch omni.ja, but this is not performant for subsequent startups that have a startup cache.

If the startup cache is present and valid, we should consider not prefetching the start of omni.ja.

Blocks: 1627071
Whiteboard: [fxperf]
Summary: Determine impact of prefetching of omni.ja → Don't prefetch the first N bytes of omnijars if startup cache is present and valid
Whiteboard: [fxperf] → [fxperf:p2]
Assignee: nobody → dothayer
Status: NEW → ASSIGNED
Performance Impact: --- → ?
Whiteboard: [fxperf:p2]
Performance Impact: ? → -
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