Performance: Difference between revisions

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=Performance=
The Firefox performance team focuses on improvements to the Gecko platform and Firefox across desktop and mobile.
Mozilla's desktop performance team focuses on improvements to the Gecko platform and desktop Firefox.
If you have performance-related questions, ask us in [https://chat.mozilla.org/#/room/#perf-help:mozilla.org #perf-help:mozilla.org on Matrix] and #perf-help on Slack. For general discussion, find us at [https://chat.mozilla.org/#/room/#perf:mozilla.org #perf:mozilla.org on Matrix].
You can find us on the #perf channel of irc.mozilla.org or email perf@mozilla.com


'''The team:'''
'''The team:'''
* Vladan Djeric, :vladan on IRC, [http://blog.mozilla.org/vdjeric/ blog]
* Performance Engineering
* Aaron Klotz :aklotz, [http://dblohm7.ca/ blog]
* [[Performance/Tools|Performance Tools]]
* Roberto Vitillo :rvitillo, [http://ravitillo.wordpress.com/category/mozilla/ blog]
* Avi Halachmi :avih, [http://avih.github.io/ blog]
* David Teller :Yoric, [http://dutherenverseauborddelatable.wordpress.com/ blog]
* David Major :dmajor


==Current Projects==
Here are some related pages you may be interested in:
 
* [[Performance/Triage]]
* Weekly status reports: [http://benjamin.smedbergs.us/weekly-updates.fcgi/project/perf Mozilla Status Board]
* [[Performance/Fenix]]
 
* In Q2, half the team will be working on [[Firefox/Content_Performance_Program|improving web content performance.]]
* [https://wiki.mozilla.org/Platform/2015-Q1-Goals#Perf Our Q1 2015 goals]
* [https://wiki.mozilla.org/Platform/2014-Q4-Goals#Perf Q4 2014 goals]
* [https://wiki.mozilla.org/Platform/2014-Q3-Goals#Perf Q3 2014 goals]
* [https://wiki.mozilla.org/Platform/2014-Q2-Goals#Perf Q2 2014 goals]
* [https://wiki.mozilla.org/Platform/2014-Q1-Goals#Perf Q1 2014 goals]


==Measuring & improving Firefox performance==
==Measuring & improving Firefox performance==


===Write-ups===
===Write-ups===
* [https://developer.mozilla.org/en-US/docs/Mozilla/Performance Firefox performance knowledge-base]
* [https://firefox-source-docs.mozilla.org/performance/ Firefox performance knowledge-base]
* [[Performance/Evaluating_Performance_of_New_Features|How to evaluate the performance of your new feature]]
* [[Performance/Evaluating_Performance_of_New_Features|How to evaluate the performance of your new feature]]
* Information on Talos automatic performance tests:
* Information on Talos automatic performance tests:
** [[Buildbot/Talos/RegressionBugsHandling|What to do when your check-in causes a Talos regression]]
** [[TestEngineering/Performance/Talos/RegressionBugsHandling|What to do when your check-in causes a Talos regression]]
** [[Buildbot/Talos/Sheriffing|Additional reading: How the Automation Team does performance sheriffing]]
** [[TestEngineering/Performance/Sheriffing|Additional reading: How the Automation Team does performance sheriffing]]
* [[Performance/Avoid_SQLite_In_Your_Next_Firefox_Feature|Avoid SQLite in your next Firefox feature]]
* [[Performance/Avoid_SQLite_In_Your_Next_Firefox_Feature|Avoid SQLite in your next Firefox feature]]


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* [[Telemetry|Telemetry]]:
* [[Telemetry|Telemetry]]:
** [http://telemetry.mozilla.org/ Telemetry dashboard]
** [http://telemetry.mozilla.org/ Telemetry dashboard]
** [https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Adding_a_new_Telemetry_probe Adding a new Telemetry probe]
** [https://firefox-source-docs.mozilla.org/toolkit/components/telemetry/telemetry/start/adding-a-new-probe.html Adding a new Telemetry probe]
** The "More Dashboards" sidebar in the [http://telemetry.mozilla.org/ main dash] has links to all our dashes
* [https://profiler.firefox.com/ Firefox Profiler]
** [http://mozilla.github.io/cerberus/dashboard/ Cerberus]: Automated regression detection for Telemetry
** [https://firefox-source-docs.mozilla.org/performance/reporting_a_performance_problem.html Reporting a Performance problem]
*** Set the "alert_mails" field in your histogram declaration to get [https://groups.google.com/forum/#!forum/mozilla.dev.telemetry-alerts automatic email notifications] of regressions
** You can do custom Telemetry analyses using [http://mreid-moz.github.io/blog/2013/11/06/current-state-of-telemetry-analysis/ MapReduce] or [https://wiki.mozilla.org/Telemetry/Custom_analysis_with_spark Spark]
* [https://developer.mozilla.org/en-US/docs/Performance/Profiling_with_the_Built-in_Profiler SPS Gecko Profiler]
** [https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Reporting_a_Performance_Problem Reporting a Performance problem]
* [[Buildbot/Talos]]
* [[Buildbot/Talos]]
** [http://graphs.mozilla.org graphs.mozilla.org]: for visualizing past Talos test results
** Joel Maher maintains a [http://alertmanager.allizom.org:8080/alerts.html?showAll=1 dashboard] of current Talos regressions & improvements
* [https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Build_Instructions/GTest#MozGTestBench MozGTestBench]
* [https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Build_Instructions/GTest#MozGTestBench MozGTestBench]
** Write low level microbenchmarks using [https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Build_Instructions/GTest#MozGTestBench GTest]
** Write low level microbenchmarks using [https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Build_Instructions/GTest#MozGTestBench GTest]
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* [https://github.com/chutten/statuser Statuser]: Restartless Firefox extension for as-it-happens hang monitoring.
* [https://github.com/chutten/statuser Statuser]: Restartless Firefox extension for as-it-happens hang monitoring.


==Archive (Delete soon) ==
===Meetings===
====Joy of Profiling====
Do you have a profile that you don't understand? Are you having problem analyzing a profile? Do you want more eyes on this little profile of yours?


Old progress reports:
You have 2 options!
* June 2014 [[Performance/2014-12-06|Meeting Minutes]], [[Performance/Report-2014-06|Report]]
* February 2014 [[Performance/2014-02-13|Meeting Minutes]], [[Performance/Report-2014-02|Report]]
* December 2013 [[Performance/2013-12-05|Meeting Minutes]], [[Performance/Report-2013-12|Report]]
* November 2013 [[Performance/2013-11-07|Meeting Minutes]], [[Performance/Report-2013-11|Report]]
* September 2013 [[Performance/2013-09-12|Meeting Minutes]], [[Performance/Report-2013-09|Report]]
* August 2013 [[Performance/2013-08-01|Meeting Minutes]], [[Performance/Report-2013-08|Report]]
* [[Performance/2013-07-11|July 2013 Meeting Minutes]]
* [[Performance/2013-06-06|June 2013 Meeting Minutes]]
* [[Performance/2013-05-02|May 2013 Meeting Minutes]]


Old Projects
Option 1: join us on [https://matrix.to/#/#joy-of-profiling:mozilla.org the Joy of Profiling channel on Element].
* [[Firefox/Projects/Mobile_Startup_Shrink|Mobile Startup Shrink]]
* [[Firefox/Projects/Startup_Time_Improvements|Startup Performance]]
* [[Firefox:FrontEndPerformance|Front-end Performance]] (i.e., responsiveness)
* [[Performance/Addons|Add-on Performance]]
* [[Performance/Snappy|Snappy]]
* [[Mobile/Performance|Mobile Performance Info]]


Tools:
Option 2: join us in the Joy of Profiling meeting!
* [[Codesighs]] - a tool which analyzes code and data size.
* [[Performance:Tools]]. For measuring performance. Tip o' the propeller-cap to [mailto:zuperdee@penguinpowered.com Daniel Roberts] (zuperdee@penguinpowered.com) for the pointers.
* [[Performance:Probes]]. Project to integrate a system of performance probes into Gecko.


Old Documentation and Presentations:
* When:
* Code Footprint [[Performance:Footprint_Reduction_Techniques]] explains common bad patterns and how to correct them.
** Every first and third monday at 17:00 CET, 11am EST, 8am PST.
* [[Performance:Profiling_JuJu]]. Things you should know about doing profiling. Tips and tricks for some of the tools, and lots of other Good Things To Know.
** Every second and fourth monday at 20:00 CET, 2pm EST, 11am PST.
* [http://www.mozilla.org/performance/mac-performance.html Profiling and leak analysis] on the Mac.
* Where: [https://mozilla.zoom.us/j/98769155293 Zoom ID 987 6915 5293]
* [[Performance:Footprint_Tools]]. Presentation on footprint tools
* [[Performance:Startup]] [http://www.mozilla.org/performance/perf-intro/slide1.xml slides] Presentation on general performance tools
* [[Performance:Leak_Tools]]. Presentation on memory leaks detection tools
* [http://www.mozilla.org/performance/mac-performance.html Mac Performance Tools] Presentation on performance tools that work on Mac

Latest revision as of 12:14, 18 October 2023

The Firefox performance team focuses on improvements to the Gecko platform and Firefox across desktop and mobile. If you have performance-related questions, ask us in #perf-help:mozilla.org on Matrix and #perf-help on Slack. For general discussion, find us at #perf:mozilla.org on Matrix.

The team:

Here are some related pages you may be interested in:

Measuring & improving Firefox performance

Write-ups

Tools

Meetings

Joy of Profiling

Do you have a profile that you don't understand? Are you having problem analyzing a profile? Do you want more eyes on this little profile of yours?

You have 2 options!

Option 1: join us on the Joy of Profiling channel on Element.

Option 2: join us in the Joy of Profiling meeting!

  • When:
    • Every first and third monday at 17:00 CET, 11am EST, 8am PST.
    • Every second and fourth monday at 20:00 CET, 2pm EST, 11am PST.
  • Where: Zoom ID 987 6915 5293