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TM: perf regressions between Jul 12 and Jul 20

RESOLVED INCOMPLETE

Status

()

Core
JavaScript Engine
RESOLVED INCOMPLETE
7 years ago
6 years ago

People

(Reporter: dmandelin, Unassigned)

Tracking

Trunk
Points:
---

Firefox Tracking Flags

(Not tracked)

Details

(Reporter)

Description

7 years ago
cordic went from 10 ms to 13 ms on arewefastyet.
fannkuch went from 46 ms to 51 ms. It got even slower after that period.

Comment 1

7 years ago
Is this the ropes stuff maybe?
(Reporter)

Comment 2

7 years ago
Seems unlikely, given the two affected tests, and the fact that these regressions are only on TM; ropes should affect TM/JM about equally.

Comment 3

7 years ago
There are some huge losses on V8 as well. Sayrer, can you investigate this? I am happy to work on fixes if you can point me to the changesets that did this.

Comment 4

7 years ago
where is the data?

Comment 5

7 years ago
Awfy/individual.php
I'm going to go out on a limb and say that this bug isn't likely to go anywhere at this point.
Status: NEW → RESOLVED
Last Resolved: 6 years ago
Resolution: --- → INCOMPLETE
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