Platform/2008-07-02

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GFX 1.9.1 Update

• GFX 1.9.1 Bugs
  • Do we have an update on SVG fonts and/or bz's work to make <img src="foo.svg> possible?
  • Three still assigned to nobody?
  • Vlad, Stuart, and Joedrew off for another half a week (roughly).
• Video, roc/cdouble:
• downloadable fonts, jdaggett
  • Last week's status:
    • still working on unifying font code (bug 437356)
    • patch for mac, first cut for windows tomorrow
    • need to get Stuart to evaluate before doing Linux version
    • next step is user font set object to handle downloads (bug 441473)
    • @font-face parsing code will populate this
  • This week:
• pixman/cairo perf, vlad:
  • Last status:
    • we've got stuff coming from antoine/fred
    • will turn on SSE opts
    • will need ARM stuff

Layout 1.9.1 Update

• 1.9.1 Layout Bugs
• Acid3: Roc or dbaron, status?
• SMIL still @ risk? (dholbert)
• Compositor, roc:
  • May not have a 100% complete implementation, but we should have a good subset implemented in time for feature freeze
• SVG fonts at risk?
• SVG CSS, roc:
• CSS transforms - keith:

Content 1.9.1 Update

• Content 1.9.1 Bugs
  • Worker Threads, bent, status?:
    • Spec about ready for general consideration. Arun to arrange meetings with Gears folks, others.
    • Basic arch and message passing done.
    • Pause/Resume/Cancel of background JS on page navigation done.
    • Working on timers
    • XHR (minus the 'X') not yet started.
  • Tab reparenting (bz), at risk for 1.9.1?
• Cross-site XHR, at risk for 1.9.1? What's the current status on the spec and us internally agreeing on what to do?

JS 1.9.1

• JS 1.9.1 Bugs
• JS Tracing:
  • Last week's status:
    • Tamarin nanojit integrated in SpiderMonkey
    • Recording traces for single paths through simple loops
    • Cooperating with Adobe folks on nanojit API and memory management
    • TT has more new String API improvements
  • This Week's Status: ??

Landed some incremental perf wins, 5-10% improvement over 1.9 so far.

• Need to prioritize/file these.
  • JSObject ops makeover
  • direct threaded interpreter loop on Windows
  • SDK / compiler adjustments on Mac
  • Profile guided input improvements

Blocking
417131	brendan@mozilla.org	wip-patch	JS Enumeration Allocation Consternation
430133	general@js.bugs		Object.defineProperty
421864	igor@mir2.org	wip-patch	Interpreter creates too many doubles
433337	igor@mir2.org		Reunify jsinterp.c on Windows
Wanted
229756	brendan@mozilla.org		Make SpiderMonkey's const extension JS2/ES4 compatible
260106	brendan@mozilla.org	wip-patch	elisions in array literals should not create properties (js1_5/Array/11.1.4.js)
312354	brendan@mozilla.org	FIXED	Assignment expressions have wrong type (ecma_3/Operators/11.13.1-002.js)
363534	brendan@mozilla.org	FIXED	Combine JSOP_LT and JSOP_IFEQ, etc., pairs
384244	crowder@fiverocks.com	wip-patch	update jsdtoa with interesting pieces of more-recent dtoa
433351	crowder@fiverocks.com		Implement Object.extend
305064	general@js.bugs		Add trim, ltrim, and rtrim features for javascript strings
352437	general@js.bugs		string.link does not escape url
429507	general@js.bugs		Function.prototype.bind
411575	igor@mir2.org	review_brendan?	js_PutCallObject() is slow.
432881	igor@mir2.org	FIXED	SM: JSVAL_VOID as a pseudo-boolean
346749	mrbkap@gmail.com	still_want?	let declarations at top level are turned into var declarations
312116	nobody@mozilla.org		should support catchall getters/setters
419225	sayrer@gmail.com	wip-patch	refactor ExecuteREBytecode and SimpleMatch
430930	sayrer@gmail.com		Date.parse cannot even parse "2008-04-26" (should understand ISO 8601)
419743	shaver@mozilla.org	wip-patch	JSOP_CONCATN for improved chained-concat performance
433335	shaver@mozilla.org		mark sharp object avoidance
433336	shaver@mozilla.org		array iteration optimization

General 1.9.1 Updates

• offline, dcamp:
  • Last week:
    • versioned app caches just about ready for review
    • honzab has opportunistic caching namespaces almost ready
    • need to review localStorage patch
  • This week:

mozilla-central

• Need a query facility, like bonsai. Status?
  • Need pushlog code updated on hg.mozilla.org to use new sqlite backend bug 437637, then pushlog web extension needs query support added bug 437445
• Cycle times are seemingly slower on moz-central (about an hour slower). Need to look into this. John O to investigate. Status?