Open Bug 1957329 Opened 29 days ago Updated 21 days ago

Testcase generating N Bound functions has regressed in performance

Categories

(Core :: JavaScript Engine, defect, P3)

Product:
Core
Component:
JavaScript Engine
Type:
defect

Tracking

()

Tracking Flags:
Tracking Status
firefox-esr115 --- wontfix
firefox-esr128 --- wontfix
firefox137 --- wontfix
firefox138 --- wontfix
firefox139 --- fix-optional

People

(Reporter: mayankleoboy1, Unassigned, NeedInfo)

References

(Blocks 1 open bug, Regression)

Details

(Keywords: regression)

Attachments

(1 file)

Bound functions.html
672 bytes, text/html
Details
Attached file Bound functions.html —

Open tetcase
N=10000

Nightly: https://share.firefox.dev/3FPpHAW (833ms)
Chrome: https://share.firefox.dev/426zUjR (3ms)

This is a regression. We were ~as fast as Chrome before the regression.
Bisection: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=bcd474fed7b315f3ca042f1178d782cd0a78464c&tochange=22642335498054d548e2b51cb83ea66716275f32

Suspect regressor: Bug 1483869

This testcase is artificial. Feel free to WONTFIX.

Summary: Testcase geenrating N Bound functions is 277x slower than Chrome (regression) → Testcase generating N Bound functions is 277x slower than Chrome (regression)

:jandem, since you are the author of the regressor, bug 1483869, could you take a look? Also, could you set the severity field?

For more information, please visit BugBot documentation.

Flags: needinfo?(jdemooij)
Summary: Testcase generating N Bound functions is 277x slower than Chrome (regression) → Testcase generating N Bound functions has regressed in performance

Set release status flags based on info from the regressing bug 1483869

status-firefox137: --- → affected
status-firefox138: --- → affected
status-firefox139: --- → affected
status-firefox-esr128: --- → affected
Blocks: sm-js-perf
Severity: -- → S3
Priority: -- → P3
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