| Project |
Status |
ETA (weeks)
|
| "Cold" page load benchmark
|
|
N/A
|
| Incremental Cycle Collection (ICC)
|
- prototype works (6ms max pause time on TechCrunch page teardown, from 120ms)
- need to rebase, investigate odd errors, hook up telemetry+fuzzing
|
late Q2/early Q3
|
| Keep JS-accessible APIs from blocking the main thread
|
- component: Downloads API
- core API: Promises
- Notes
- Dev tools team is working on their promises implementation as well. Should sync up with them.
|
maybe Q2
|
| Profiler Backend for Mobile
|
- done: initial landing of multithread support
- done: native unwind for nightlies: linux32, linux64 done
- mostly done: nightly native unwind for arm-android (needs EXIDX support)
- todo: native unwind for B2G nightlies, eta late May
- todo: add EXIDX support to Breakpad, eta mid May
- todo: better testing of the profiler, eta ?
- todo: more evaluation of quality of unwinds -- where is breakpad failing?
- Notes
- Benwa has a plan for the tests
|
May (not including tests)
|
| Reducing time to first paint - Phase 1
|
- Done: Graphing & understanding current state of startup
- Done: Worked on identifying extensions that cause slow startup with help from dzeber & klahnakoski
- issue: interpretation of current Telemetry milestones
- todo: patches to reduce time between ctld and firstpaint (excluding add-on manager)
- todo: startup work etherpad
|
1 month for initial batch of patches, likely longer to meet 10% goal
|
| Replace Addon Manager SQLITE with JSON file
|
- Done: save/restore of Addon Repository and XPI Provider databases in JSON format
- Done: upgrade XPI provider DB from SQLITE or RDF to JSON
- todo: async save/restore of JSON data
- todo: basic handling of schema changes in JSON XPI database
- todo: QA planning
- Notes
- Investigate landing the work piecemeal instead of all at once.
|
late May
|
| Smooth Tab Animation
|
- Vsync:
- Implemented two approaches, posted conclusions/observations.
- vlad decided to land the workweek approach (get info instead of waiting in a thread).
- TODO: refine the workweek approach and land.
- Tab smoothness regression test (more detailed than current telemetry).
- Technically enable measurements of our goals.
- Implement, decide if as a talos/mochitest/etc.
- newtab: no recent progress, waits on prioritization
- Still handling regressions of timer filter (bug 590422).
- Notes
- Not enough time / resource spent on new tab. Need to understand what to do with this piece.
|
* Vsync: land approach one in few days. Reconsider when OMTC comes.
- Regression test for tab animation cases: Hopefully end of May or earlier.
- Handle regressions from timer filter patch: as they come (one open ATM).
- newtab slowdown: waits for prioritization.
- Identify further bottlenecks: open.
|