Open Bug 1576999 Opened 6 years ago Updated 3 years ago

"new Function" cloning of introducer URLs is slow

Categories

(Core :: JavaScript Engine, task, P2)

Product:
Core
Component:
JavaScript Engine
Type:
task

Tracking

()

People

(Reporter: tcampbell, Unassigned)

References

Details

UR: https://www.datascience.com/blog/stock-price-time-series-arima

After fixing the memory usage problem with Bug 1575077 we still have performance issues with the de-duplication code.

See Also: → 1575077
Depends on: 1577161

The following account for 80% of the page load:

  • ScriptSource::initFromOptions clones filenames from CompileOptions and calls FormatIntroducerFilename
  • SavedStacks::getLocation atomizes the filenames
  • Bug 1577273
See Also: → 1577273

This bug is amazing

Priority: -- → P2
Severity: normal → S3
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