Closed
Bug 1790426
Opened 2 years ago
Closed 2 years ago
Large change in minor GC telemetry on 24th August
Categories
(Core :: JavaScript: GC, defect, P1)
Core
JavaScript: GC
Tracking
()
RESOLVED
FIXED
106 Branch
| Tracking | Status | |
|---|---|---|
| firefox-esr91 | --- | unaffected |
| firefox-esr102 | --- | unaffected |
| firefox104 | --- | unaffected |
| firefox105 | --- | unaffected |
| firefox106 | --- | fixed |
People
(Reporter: jonco, Assigned: jonco)
References
(Regression)
Details
(Keywords: perf-alert, regression)
Attachments
(1 file)
Telemetry shows a large increase in the number of minor GCs on this date. Mostly they seem to be when the nursery is empty.
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Updated•2 years ago
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Keywords: regression
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Comment 1•2 years ago
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Set release status flags based on info from the regressing bug 1786506
status-firefox104:
--- → unaffected
status-firefox105:
--- → unaffected
status-firefox106:
--- → affected
status-firefox-esr102:
--- → unaffected
status-firefox-esr91:
--- → unaffected
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Assignee | |
Comment 2•2 years ago
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By default iterating the cells in a zone will evict the nursery for
nursery-allocatable thing kinds. Passing AutoAssertEmptyNursery disableds this.
Pushed by jcoppeard@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/f75227f692f8 Don't evict the nursery when freezing the shared atoms zone r=sfink
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Comment 4•2 years ago
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| bugherder | ||
Status: NEW → RESOLVED
Closed: 2 years ago
Resolution: --- → FIXED
Target Milestone: --- → 106 Branch
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Comment 5•2 years ago
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== Change summary for alert #35423 (as of Tue, 20 Sep 2022 07:38:42 GMT) ==
Improvements:
| Ratio | Test | Platform | Options | Absolute values (old vs new) |
|---|---|---|---|---|
| 13% | twitch-animation | macosx1015-64-shippable-qr | fission webrender | 20.02 -> 17.47 |
For up to date results, see: https://treeherder.mozilla.org/perfherder/alerts?id=35423
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Updated•2 years ago
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Keywords: perf-alert
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Description
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