Performance

Performance

The Firefox performance team focuses on improvements to the Gecko platform and Firefox across desktop and mobile. You can find us on #perf:mozilla.org on Matrix and #perf on Slack.

The team:

• Performance Engineering
  • Patricia Lawless
  • Kim Moir
  • Andrew Creskey
  • Barret Rennie
  • Bas Schouten
  • Benjamin De Kosnik
  • Denis Palmeiro
  • James Porter
  • Markus Stange
  • Randell Jesup
  • Sean Feng
• Performance Test Engineering
• Performance Tools Engineering
• Product Management: Eric Smyth
• Program Management: Jean Gong

Measuring & improving Firefox performance

Write-ups

• Firefox performance knowledge-base
• How to evaluate the performance of your new feature
• Information on Talos automatic performance tests:
  • What to do when your check-in causes a Talos regression
  • Additional reading: How the Automation Team does performance sheriffing
• Avoid SQLite in your next Firefox feature

Tools

• Telemetry:
  • Telemetry dashboard
  • Adding a new Telemetry probe
• SPS Gecko Profiler
  • Reporting a Performance problem
• Buildbot/Talos
• MozGTestBench
  • Write low level microbenchmarks using GTest
• xperf
  • Tracing VirtualAlloc With Xperf
• Statuser: Restartless Firefox extension for as-it-happens hang monitoring.

Android Front-end Performance group

The Android Front-end Performance group focus on improvements to performance of the JVM portions of Android applications as opposed to the platform performance group that focuses on platform (i.e. Gecko) performance.

• Contact us on Matrix: #perf-android-frontend:mozilla.org
• Project planning: GitHub Project Board
  • Filtered issues for onboarding new team members
• Mozilla-internal resources (we're working to make this more open!)