Platform/2014-11-04

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Engineering Meeting Details

• Tuesday 2014-11-04 - 11:00 am Pacific Standard Time

• Dial-in: Audio-only conference# 98411
  • People with Mozilla phones or softphones please dial x4000 Conf# 98411
  • US/Toll-free: +1 800 707 2533, (pin 4000) Conf# 98411
  • US/California/Mountain View: +1 650 903 0800, x4000 Conf# 98411
  • US/California/San Francisco: +1 415 762 5700, x4000 Conf# 98411
  • US/Oregon/Portland: +1 971 544 8000, x4000 Conf# 98411
  • CA/British Columbia/Vancouver: +1 778 785 1540, x4000 Conf# 98411
  • CA/Ontario/Toronto: +1 416 848 3114, x4000 Conf# 98411
  • UK/London: +44 (0)207 855 3000, x4000 Conf# 98411
  • FR/Paris: +33 1 84 88 37 37, x4000 Conf# 98411
  • Gmail Chat (requires Flash and the Google Talk plugin): paste +1 650 903 0800 into the Gmail Chat box that doesn't look like it accepts phone numbers
  • SkypeOut is free if you use the 800 number
• Engineering Vidyo Room / Air Mozilla / MTV Alien Nation / TOR Finch / SFO Warfield / PDX Hair of the Dog
• join irc.mozilla.org #planning for back channel

Need To Know

(Release and system issues that may impact engineering this week.)

Notices/Schedule (lsblakk/sylvestre/lmandel)

Next Merge: July 8, 2024		Next Release: July 9, 2024
Trains
Central: 129	Aurora: 54	Beta: 128	Release: 127

Build Changes (gps)

(Build changes of which engineers should be aware.)

RelEng (catlee)

(Repo, test, and other information for engineers from the release engineering team.)

Upcoming Outages/Upgrades

(System outages/upgrades and tree closures that impact engineering.) <Read Only>

• Tree Closing Window on Saturday, November 8. bug 1087431 is the tracker.
  • The November 1 window reported last week was postponed to avoid conflicts with decade builds. Final notice is given to the dev groups when everything is "go".
  • An unusually long window -- approx 11-1/2 hours.
  • Most of the work is network related, with interruptions in traffic from time to time.
  • We'll leave trees "open", but developers should expect longer than normal build times and potential need to restart some jobs.

Quality Programs

(An opportunity to hear about status with the various quality programs that do not have a formal team structure.)

MemShrink (njn)

<Read Only>

Please grow your buffers exponentially. It reduces heap churn and fragmentation.

Team Stand-ups

(In <2 mins, what did your team accomplish last week, on what is your team working on this week, and on what, if anything, is your team blocked? No questions during the stand-ups. All questions should be asked during the roundtable.)

A*Team (jgriffin)

<Read Only>

Blog and newsgroups posts

• [gbrown] Firefox for Android Performance Measures
• [jmaher] A case of the weekends?

Electrolysis (e10s) (blassey)

• Please help dogfood e10s in Nightly!
  • To opt-in, open "Preferences" and check the "Enable E10S (multi-process)" checkbox.
  • Known issues: https://wiki.mozilla.org/Electrolysis#What_to_Expect

GFX (milan)

• Ongoing graphics driver/hardware related issues being looked at in the release (33) channel. This is having a negative impact on looking at the beta tracked issues.

• Second round of graphics planning. With input from desktop and date changes from Firefox OS, here is the updated list of priorities:

Previous Plans	Current Plans
Firefox OS 2.0 & 2.1 blockers E10S support (OMTC) Firefox OS memory usage reduction Project Silk support Scrolling physics + v-sync APZ improvements OOP support fake overscroll WebGL desktop performance (critical items) WebGL mobile performance ------ Line for Gecko 39/2.2/GDC/MWC ------ OMTC everywhere APZ on desktop Tiling on desktop ------ Line for Gecko 41 ------ Skia canvas WebGL performance parity on desktop ------ Line for Gecko 43 ------ Skia content Multi-threaded content painting ------ Line for Gecko 45 ------ ------ Line for 2015 ------	Firefox OS 2.0 & 2.1 blockers E10S support (OMTC) ↓ Firefox OS memory usage reduction (minimal) Project Silk support Scrolling physics + v-sync ------ Line for Gecko 38/2.2 ------ WebGL2 support + demo WebGL desktop performance (critical items) (new) Desktop OOM driver related issues ------ Line for Gecko 39/GDC ------ OMTC everywhere APZ on desktop Tiling on desktop (new) Desktop scrolling performance ------ Line for Gecko 41 ------ ↓ APZ improvements OOP support fake overscroll ↓ WebGL mobile performance ↓ Skia canvas ↓ WebGL performance parity on desktop ------ Line for Gecko 44 ------ ------ Line for 2015 ------ ↓ Skia content ↓ Multi-threaded content painting

Roundtable

(Comments and questions that arise during the course of the meeting or otherwise do not have a section.)

<Read only beyond this point>

Mailing List Threads

(Threads that are likely to be of interest to engineering from various mailing lists.)

Good Reads

(Links to blog posts, books, videos, etc. that you think will be of interest to others.)