1588203 - Investigate surprising ~95% improvement on cpstartup Talos test on Windows shippable with Fission enabled

Status: RESOLVED FIXED

(Core :: DOM: Content Processes, task)

Description

[Mike Conley (:mconley) (:⚙️)]

https://treeherder.mozilla.org/perf.html#/compare?originalProject=try&originalRevision=a4ba67a3711b4b685d7f393b934d754a60b6b8b5&newProject=try&newRevision=cf0c84e280b820453f7495e1d3a9cb4a06a346e6&framework=1

Comment 1

[Mike Conley (:mconley) (:⚙️)]

Note that dthayer is seeing similar surprising scores across the board and not just on Windows here: https://treeherder.mozilla.org/perf.html#/compare?originalProject=mozilla-central&newProject=try&newRevision=1dccbcc659a4a7e8af28a9c13ae21408dae4ad2a&framework=1&selectedTimeRange=172800

Comment 2

[Alex Thayer [:alexical] (she/her)]

Attachment: Bug 1588203 - Proxy Talos requests to allow for multi fission processes r?rwood

This will simply allow tests to use alternate domains if they want to ensure
they're getting different processes. This is important for realisitcally
measuring the impact of Fission.

Comment 3

[Alex Thayer [:alexical] (she/her)]

Attachment: Bug 1588203 - Change process for tab open in cpstartup r?mconley

This will cause us to actually launch a new content process, which
we were previously not doing.

Depends on D50707

Comment 4

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/bad35a6f6c69
Proxy Talos requests to allow for multi fission processes r=perftest-reviewers,stephendonner
https://hg.mozilla.org/integration/autoland/rev/7cb704c0ca2b
Change process for tab open in cpstartup r=mconley

Comment 5

[Andrei Ciure[:aciure]]

https://hg.mozilla.org/mozilla-central/rev/bad35a6f6c69
https://hg.mozilla.org/mozilla-central/rev/7cb704c0ca2b

Comment 6

[Chris Peterson [:cpeterson]]

Retroactively moving fixed bugs whose summaries mention "Fission" (or other Fission-related keywords) but are not assigned to a Fission Milestone to an appropriate Fission Milestone.

This will generate a lot of bugmail, so you can filter your bugmail for the following UUID and delete them en masse:

0ee3c76a-bc79-4eb2-8d12-05dc0b68e732