Platform/2011-Q4-Goals: Difference between revisions

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=== General Goals ===
=== General Goals ===
* https://intranet.mozilla.org/2011Q4Goals#Release_Engineering
* https://intranet.mozilla.org/2011Q4Goals
 
=== [[Firefox/Goals/2011Q4|Firefox]] ===


=== GFX ===
=== GFX ===
<onlyinclude>
* {{done|Fennec layers acceleration}}
** Use OpenGL ES on at least a subset of Android hardware
* {{risk|CSS 3 Font Spec Implementation}}
** Complete {{bug|651693}}
* {{drop|Electrolysis Accelerated Layers}}
** Evaluate current status
** Finish Direct3D 10/Direct2D, Direct3D 9, Mac OS X OpenGL layers implementation
** For non-sandboxed processes only
* {{done|Thebes wrapper for Azure}}
** Land on mozilla-central
* {{done|Skia backend for Azure}}
** Landed and able to be turned on for canvas
** Demoable for general content (not just canvas) - not necessarily demoable from mozilla-central
* {{drop|Texture sharing for WebGL}}
** On OSes where it's supported, enable cross-process WebGL by sharing textures between content and chrome processes
* Other important Q4 work
** {{drop|Finish cross-process Linux OpenGL layers implementation (on desktop)}}
** Azure - Cairo backend
*** Possibly only on graphics branch
** Continue using telemetry
** Imagelib work on memory usage and efficiency
** Windows 7 font rendering survey via Test Pilot
** {{done|Multiple GPU support on Mac OS X}}
** WebGL improvements
*** {{done|Anti-aliasing}}
*** {{done|ARB_robustness / EGL_LOST_CONTEXT}}
*** Auditing remaining failing conformance tests
</onlyinclude>


=== Layout ===
=== Layout ===
<onlyinclude>
* {{done|Complete Mobile Readability project (Phase 1 [http://dbaron.org/log/20111126-font-inflation landed].)}}
* {{miss|Diagnostic tools for text and font memory usage in about:memory}}
* {{done|Graphite Font Layout system implemented and landed pref'd off }}
* {{ok|Multi-column Compliance (de-prefixing)}}
** Implementation of [https://bugzilla.mozilla.org/show_bug.cgi?id=695222 column-fill] property needs to be finished and landed.
** [https://bugzilla.mozilla.org/show_bug.cgi?id=698783 De-prefixing] of all current column implementation, except column-span, needs to be finished and landed.
** Implementation of [https://bugzilla.mozilla.org/show_bug.cgi?id=616436 column-span] property has been moved to Q1 2012.
* {{miss|Complete SVG migration to DisplayList (Performance)}}
** We de-prioritized SVG work in Q4 to fix other bugs
* {{miss|Implement CSS spec for flexbox}}
** CSS flexbox spec is still in working draft & undergoing significant changes. New ETA for this feature: Q1 2012
* {{done|Selection bit - Move from Layout to Content - Mutation events update DOM (619273)}}
* {{done| View class removal from Decks/XUL done. (bug 655263)}}
* {{drop|Page Break Support}}
** We de-prioritized Page Break in Q4 to work on other specs
* {{drop|CSS Ruby on mozilla-central}}
** not currently assigned
</onlyinclude>


=== Video ===
=== Video ===
<onlyinclude>
* {{miss|MediaStream infrastructure landed on mozilla-central with Worker-based processing enabled and some media element integration}}
* {{miss|libcubeb sound library replacing libsydneyaudio on mozilla-central}}
* {{done|fullscreen API enabled on mozilla-central}}
* {{miss|direct pushing of video frames to compositor thread for e10s}}
* {{miss|eliminate unnecessary copy with video decoder API changes}}
</onlyinclude>


=== DOM ===
=== DOM ===
<onlyinclude>
* {{miss|Close the gap between what can be expressed in WebIDL and what our IDL tooling supports}}
** Good progress made here, but we missed this goal for two reasons:
*** The spec changed last minute
*** This turned into a bigger task than originally believed
* {{done|Make cycles involving weak maps and the DOM not leak}}
* {{miss|JS Compartment per global (carryover from last quarter, this may not be hittable due to timing of blocking bugs)}}
** Missed due to timing of blocking bugs
* {{miss|Have a real plan for what the new DOM bindings will look like}}
** Missed due to resource availability.
* {{done|Review and land View Source rewrite}}
* {{miss|Add support for the new mutation observer proposal (to replace DOM Mutation Event support eventually)}}
** Missed due to cycle collection time fixing was deemed more important (snappy)
* {{done|Add support for (callable) event constructors}}
</onlyinclude>
=== WebAPI ===
<onlyinclude>
* {{miss|Camera support landed (and maybe turned on)}}
** Missed due to WebAPPs work being prioritized over this, and also due to lack of windows build system at the time this work was being done
* {{miss|Basic camera in-page UI implemented. Not CSS configurable yet}}
** Missed due to WebAPPs work being prioritized over this, and also due to lack of windows build system at the time this work was being done
* {{miss|SMS landed. Might not have security model in place. Turned on for B2G}}
** Patch ready and reviewed, but the native mobile frontend threw a wrench in the wheel for landing this in time
* {{done|DOM-side of telephony done. Nothing turned on as we'll be missing radio part}}
* {{done|IndexedDB fully up to spec (including version API change, delete database, and arrays as keys, the last of which might be a stretch)}}
* {{done|File support in IndexedDB}}
* {{miss|Have spec for how capability management in apps will work}}
** Missed in favor of finishing up the IndexedDB stretch goal
* {{done|Battery API on android and one other platform}}
* {{done|Network API on android and one other platform -- Not landed yet, but all the work is done (1 review pending for linux)}}
* {{done|Implement App-cache to current spec}}
* {{miss|Contacts API spec (spec proposal only, no implementation) -- about 50% there, but not done yet.}}
** Missed in favor of finishing up the IndexedDB stretch goal
</onlyinclude>


=== JS  ===
=== JS  ===
*{{miss|Land incremental GC.}}
*{{miss|Land Harmony modules.}}
*{{miss|Land support for JS profiler.}}
*{{done|Shrink JSObject to ~5 words.}}


=== Accessibility ===
=== Accessibility ===
* draft - canvas accessibility
* {{done| Mobile: Accessibility enabled on FF android builds}}
* draft - tree creation performance and dom tree alignment
* {{drop| E10S: phase 2. All gecko-side a11y engine work done for parity with single process.}}
* draft - accessibility enabled on FF android builds
* {{miss| Canvas accessibility: build accessible subtree.}}
* {{miss| Improve accessible tree updating [{{bug|690417}}]}}
* Other activities: Additional Telemetry, B2G test framework collab.


=== Multi-Process ===
=== Multi-Process ===
* {{drop|Continue regular tracking and resolution of [[Electrolysis/Short-Term Goals|short-term goals]]}}
* {{drop|Remove the need for the --enable-e10s-compat build flag, so users can simply set a pref in Firefox to get multi-process tabs. Note that some or many features still may not work this quarter.}}
* {{drop|Get windowless and windowed plugins working on all platforms.}}
* {{done|Identify which addons must continue to work to get 80% of users multi-process tabs}}
* {{drop|Develop a plan for addon compatibility with content processes. (This may involve a combination of Firefox compatibility shims, porting addons to the Jetpack SDK, manual rewriting, or automatic rewriting).}}
* {{drop|Measure the memory usage of multiple content processes and identify wasted space and a plan to correct any issues.}}
* {{drop|Identify remaining issues which need input from the UX team for mobile and desktop, including panning responsiveness/checkerboarding tradeoffs (primarily mobile) and misbehaving/crashing content UI (desktop)}}


=== Perf ===
=== Perf ===
* Valgrind developer ROM for pandaboard or Nexus S
* {{drop|Valgrind developer ROM for pandaboard or Nexus S}}
* linux "perf"-counters in zippity(depends on above ROM to have perf support in kernel)
* {{drop|linux "perf"-counters in zippity(depends on above ROM to have perf support in kernel)}}
* Bug 662444: exit(0) "immediate" shutdown prototype and a plan to land it
* {{miss|Bug 662444: exit(0) "immediate" shutdown prototype and a plan to land it}}
* Bug 686805: Incremental decompression for libxul on Android
* {{miss|Bug 686805: Incremental decompression for libxul on Android}}
* Startup-ordered binary on Windows
* {{drop|Startup-ordered binary on Windows}}
* 0 fennec sqlite fsyncs on first startup
* deprioritized: 0 fennec sqlite fsyncs on first startup


=== Networking ===
=== Networking ===
<onlyinclude>
<onlyinclude>
* {{ok|SSL performance and responsiveness improvements. Also important for other projects like SPDY.}}
* {{done|Improve SSL performance and responsiveness by fixing {{bug|511393}}. This is also important for SPDY.}}
** Fix {{bug|511393}}, Allow multiple SSL worker threads.
* {{done|Add support for high-resolution timers on Windows, {{bug|676349}}.}} - PGO builds broken with the current patch
* {{ok|Implement high-resolution platform timers}}
* {{done|Improve dual-stack IPv6 experience by implementing an effective form of "happy eyeballs" IPv6 auto-detection at TCP open. This means resolving {{bug|684893}}.}}
** Fix {{bug|676349}}, Implement high-resolution platform timers for Windows.
* {{done|Have full implementation of final WebSockets spec implemented and in the tree in a shippable state.}}
* {{ok| Improve dual-stack IPv6 experience for users.}}
* {{miss|Land pipelining improvements from Patrick McManus.}}
** Fix {{bug|684893}}, Re-implement "happy eyeballs" IPv6 autodetection at TCP open, or similar system.
** 75% completed.
*** Investigate a fix for biesi's patch
* {{done|Land SPDY implementation, {{bug|528288}}. OK if it remains pref'd off.}}
*** If too complicated, start coding the algorithm by the spec
* {{done|Work towards an effective mobile disk cache implementation.}}
* {{ok|Have full implementation of current WebSockets spec (hopefully final) implemented and in the tree in a shippable state.}}
** Create a specific set of questions that need answering in order to make a plan.
** We can't control when the spec is complete enough to ship but we can follow it closely and be ready to ship as soon as possible.
* {{ok|Land and be prepared to ship Patrick's pipelining improvements.}}
** Complete performance framework for evaluating them.
* {{ok|Land SPDY implementation, {{bug|528288}}. OK if it remains pref'd off.}}
* {{ok|Work towards an effective mobile disk cache implementation.}}
** Create system with which to measure cache performance locally.
** Create system with which to measure cache performance locally.
*** Some microbenchmarks have been set up; WIP to analyze and understand results. See [[Necko/MobileCache/MicroBenchmarks]] for status
*** Some microbenchmarks have been set up; WIP to analyze and understand results. See [[Necko/MobileCache/MicroBenchmarks]] for status
*** WIP for a test-driver to fetch whole pagesets (much like Talos, but necko-only)
*** WIP for a test-driver to fetch whole pagesets (much like Talos, but necko-only)
** Use telemetry to collect cache performance data.
** Create a plan for a mobile disk cache based gathered data.
*** Some telemetry is in place; investigating how to use data from telemetry in microbenchmarks
* {{done|Improve App Cache support by resolving {{bug|538595}} and {{bug|538588}}.}}
** Create a plan for a mobile disk cache based on that data
* {{miss|Resolve all networking security bugs that received a designation of sg:moderate or higher more than six weeks ago. This will become a permanent goal for the group.}}
* {{ok|Improve App Cache}}
** 50% completed. This was our first quarter with this goal so we dealt with a large backlog.
** resolve {{bug|538595}}
** resolve {{bug|538588}}
</onlyinclude>
</onlyinclude>


=== Mobile ===
=== Mobile ===
* NPAPI/Flash on Honeycomb integration and support
 
* Native front end prototype
*NPAPI/Flash on Honeycomb integration and support  
*Native front end prototype  
*Automated Unit &amp; Talos tests should be less than 5% unreliable (Matching desktop reliability)
*Achieve consensus on and create a reliable process for mobile responsiveness testing and evaluation (matrix, methods, analysis).
*Land on baseline numbers based on the above and create measurable perf targets through March 2012.
*Re-energize efforts to resolve mobile [https://bugzilla.mozilla.org/buglist.cgi?quicksearch=mobile%20startupshrink&list_id=1422974 startup shrink] issues
* Make more progress on Keyboard and IME bugs


=== B2G ===
=== B2G ===
Line 69: Line 172:
* Servo: Make DOM.js complete enough to run jQuery
* Servo: Make DOM.js complete enough to run jQuery
* TC39: Implement modules in SpiderMonkey
* TC39: Implement modules in SpiderMonkey
* GPU Research: Investigate WebGL Video decoding

Latest revision as of 01:27, 11 January 2012

General Goals

GFX

  • [DONE] Fennec layers acceleration
    • Use OpenGL ES on at least a subset of Android hardware
  • [AT RISK] CSS 3 Font Spec Implementation
  • [DROPPED] Electrolysis Accelerated Layers
    • Evaluate current status
    • Finish Direct3D 10/Direct2D, Direct3D 9, Mac OS X OpenGL layers implementation
    • For non-sandboxed processes only
  • [DONE] Thebes wrapper for Azure
    • Land on mozilla-central
  • [DONE] Skia backend for Azure
    • Landed and able to be turned on for canvas
    • Demoable for general content (not just canvas) - not necessarily demoable from mozilla-central
  • [DROPPED] Texture sharing for WebGL
    • On OSes where it's supported, enable cross-process WebGL by sharing textures between content and chrome processes
  • Other important Q4 work
    • [DROPPED] Finish cross-process Linux OpenGL layers implementation (on desktop)
    • Azure - Cairo backend
      • Possibly only on graphics branch
    • Continue using telemetry
    • Imagelib work on memory usage and efficiency
    • Windows 7 font rendering survey via Test Pilot
    • [DONE] Multiple GPU support on Mac OS X
    • WebGL improvements
      • [DONE] Anti-aliasing
      • [DONE] ARB_robustness / EGL_LOST_CONTEXT
      • Auditing remaining failing conformance tests


Layout

  • [DONE] Complete Mobile Readability project (Phase 1 landed.)
  • [MISSED] Diagnostic tools for text and font memory usage in about:memory
  • [DONE] Graphite Font Layout system implemented and landed pref'd off
  • [ON TRACK] Multi-column Compliance (de-prefixing)
    • Implementation of column-fill property needs to be finished and landed.
    • De-prefixing of all current column implementation, except column-span, needs to be finished and landed.
    • Implementation of column-span property has been moved to Q1 2012.
  • [MISSED] Complete SVG migration to DisplayList (Performance)
    • We de-prioritized SVG work in Q4 to fix other bugs
  • [MISSED] Implement CSS spec for flexbox
    • CSS flexbox spec is still in working draft & undergoing significant changes. New ETA for this feature: Q1 2012
  • [DONE] Selection bit - Move from Layout to Content - Mutation events update DOM (619273)
  • [DONE] View class removal from Decks/XUL done. (bug 655263)
  • [DROPPED] Page Break Support
    • We de-prioritized Page Break in Q4 to work on other specs
  • [DROPPED] CSS Ruby on mozilla-central
    • not currently assigned


Video

  • [MISSED] MediaStream infrastructure landed on mozilla-central with Worker-based processing enabled and some media element integration
  • [MISSED] libcubeb sound library replacing libsydneyaudio on mozilla-central
  • [DONE] fullscreen API enabled on mozilla-central
  • [MISSED] direct pushing of video frames to compositor thread for e10s
  • [MISSED] eliminate unnecessary copy with video decoder API changes


DOM

  • [MISSED] Close the gap between what can be expressed in WebIDL and what our IDL tooling supports
    • Good progress made here, but we missed this goal for two reasons:
      • The spec changed last minute
      • This turned into a bigger task than originally believed
  • [DONE] Make cycles involving weak maps and the DOM not leak
  • [MISSED] JS Compartment per global (carryover from last quarter, this may not be hittable due to timing of blocking bugs)
    • Missed due to timing of blocking bugs
  • [MISSED] Have a real plan for what the new DOM bindings will look like
    • Missed due to resource availability.
  • [DONE] Review and land View Source rewrite
  • [MISSED] Add support for the new mutation observer proposal (to replace DOM Mutation Event support eventually)
    • Missed due to cycle collection time fixing was deemed more important (snappy)
  • [DONE] Add support for (callable) event constructors


WebAPI

  • [MISSED] Camera support landed (and maybe turned on)
    • Missed due to WebAPPs work being prioritized over this, and also due to lack of windows build system at the time this work was being done
  • [MISSED] Basic camera in-page UI implemented. Not CSS configurable yet
    • Missed due to WebAPPs work being prioritized over this, and also due to lack of windows build system at the time this work was being done
  • [MISSED] SMS landed. Might not have security model in place. Turned on for B2G
    • Patch ready and reviewed, but the native mobile frontend threw a wrench in the wheel for landing this in time
  • [DONE] DOM-side of telephony done. Nothing turned on as we'll be missing radio part
  • [DONE] IndexedDB fully up to spec (including version API change, delete database, and arrays as keys, the last of which might be a stretch)
  • [DONE] File support in IndexedDB
  • [MISSED] Have spec for how capability management in apps will work
    • Missed in favor of finishing up the IndexedDB stretch goal
  • [DONE] Battery API on android and one other platform
  • [DONE] Network API on android and one other platform -- Not landed yet, but all the work is done (1 review pending for linux)
  • [DONE] Implement App-cache to current spec
  • [MISSED] Contacts API spec (spec proposal only, no implementation) -- about 50% there, but not done yet.
    • Missed in favor of finishing up the IndexedDB stretch goal


JS

  • [MISSED] Land incremental GC.
  • [MISSED] Land Harmony modules.
  • [MISSED] Land support for JS profiler.
  • [DONE] Shrink JSObject to ~5 words.

Accessibility

  • [DONE] Mobile: Accessibility enabled on FF android builds
  • [DROPPED] E10S: phase 2. All gecko-side a11y engine work done for parity with single process.
  • [MISSED] Canvas accessibility: build accessible subtree.
  • [MISSED] Improve accessible tree updating [bug 690417]
  • Other activities: Additional Telemetry, B2G test framework collab.

Multi-Process

  • [DROPPED] Continue regular tracking and resolution of short-term goals
  • [DROPPED] Remove the need for the --enable-e10s-compat build flag, so users can simply set a pref in Firefox to get multi-process tabs. Note that some or many features still may not work this quarter.
  • [DROPPED] Get windowless and windowed plugins working on all platforms.
  • [DONE] Identify which addons must continue to work to get 80% of users multi-process tabs
  • [DROPPED] Develop a plan for addon compatibility with content processes. (This may involve a combination of Firefox compatibility shims, porting addons to the Jetpack SDK, manual rewriting, or automatic rewriting).
  • [DROPPED] Measure the memory usage of multiple content processes and identify wasted space and a plan to correct any issues.
  • [DROPPED] Identify remaining issues which need input from the UX team for mobile and desktop, including panning responsiveness/checkerboarding tradeoffs (primarily mobile) and misbehaving/crashing content UI (desktop)

Perf

  • [DROPPED] Valgrind developer ROM for pandaboard or Nexus S
  • [DROPPED] linux "perf"-counters in zippity(depends on above ROM to have perf support in kernel)
  • [MISSED] Bug 662444: exit(0) "immediate" shutdown prototype and a plan to land it
  • [MISSED] Bug 686805: Incremental decompression for libxul on Android
  • [DROPPED] Startup-ordered binary on Windows
  • deprioritized: 0 fennec sqlite fsyncs on first startup

Networking

  • [DONE] Improve SSL performance and responsiveness by fixing bug 511393. This is also important for SPDY.
  • [DONE] Add support for high-resolution timers on Windows, bug 676349. - PGO builds broken with the current patch
  • [DONE] Improve dual-stack IPv6 experience by implementing an effective form of "happy eyeballs" IPv6 auto-detection at TCP open. This means resolving bug 684893.
  • [DONE] Have full implementation of final WebSockets spec implemented and in the tree in a shippable state.
  • [MISSED] Land pipelining improvements from Patrick McManus.
    • 75% completed.
  • [DONE] Land SPDY implementation, bug 528288. OK if it remains pref'd off.
  • [DONE] Work towards an effective mobile disk cache implementation.
    • Create a specific set of questions that need answering in order to make a plan.
    • Create system with which to measure cache performance locally.
      • Some microbenchmarks have been set up; WIP to analyze and understand results. See Necko/MobileCache/MicroBenchmarks for status
      • WIP for a test-driver to fetch whole pagesets (much like Talos, but necko-only)
    • Create a plan for a mobile disk cache based gathered data.
  • [DONE] Improve App Cache support by resolving bug 538595 and bug 538588.
  • [MISSED] Resolve all networking security bugs that received a designation of sg:moderate or higher more than six weeks ago. This will become a permanent goal for the group.
    • 50% completed. This was our first quarter with this goal so we dealt with a large backlog.


Mobile

  • NPAPI/Flash on Honeycomb integration and support
  • Native front end prototype
  • Automated Unit & Talos tests should be less than 5% unreliable (Matching desktop reliability)
  • Achieve consensus on and create a reliable process for mobile responsiveness testing and evaluation (matrix, methods, analysis).
  • Land on baseline numbers based on the above and create measurable perf targets through March 2012.
  • Re-energize efforts to resolve mobile startup shrink issues
  • Make more progress on Keyboard and IME bugs

B2G

  • Gingerbread ROM with symbols for Galaxy S2 for Android Firefox debugging
  • B2G ROM that can be used to build a basic phone (phone, contacts, vibrator, wifi, lock screen, etc).
  • Basic Phone UI (Gaia) for B2G that can be used as primary phone for Mozilla developers

Research

  • Rust: Release version 0.1
  • Servo: Make DOM.js complete enough to run jQuery
  • TC39: Implement modules in SpiderMonkey
  • GPU Research: Investigate WebGL Video decoding
Retrieved from "https://wiki.mozilla.org/index.php?title=Platform/2011-Q4-Goals&oldid=385848"