Performance/Snappy/Dashboard

Snappy Dashboard

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Resolved in the last week.

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0 Total; 0 Open (0%); 0 Resolved (0%); 0 Verified (0%);

Changed in the last week.

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ID	Summary	Priority	Status
420534	dump() on OS X ends up in /var/log/system.log	--	NEW
421128	Independent windows/tabs should not starve each other for network connections	P3	NEW
422321	Components.utils.import() should inject exported objects into scope as lazy getters	--	NEW
435628	100% CPU on Progressive JPEG & Interlaced PNG when gfx.color_management (qcms) is enabled	P3	NEW
513149	Speed up css parsing(Add telemetry probes to measure extent of problem)	P3	NEW
535623	Improve hunspell's FileMgr implementation to reduce the I/O cost	--	NEW
542144	package and ship already JIT'd chrome JavaScript	--	NEW
559729	Meta-bug: improve HTTP cache	P3	NEW
572459	[meta] Tracking: Bad IO Patterns	--	NEW
609042	Workers: Don't let events posted from workers drown the main thread	--	NEW
611837	[meta] Meta: Don't fsync on startup	--	NEW
627208	Preload startup cache	--	NEW
629507	Make keyboard scrolling the same speed as scroll-arrow scrolling	--	NEW
668653	Event loop telemetry	--	NEW
670183	perhaps DOMOperationCallback should be more ambitious with its script-killing	--	NEW
683284	[meta] Images suck the snap out of Firefox (memory, flicker, decode/discard heuristics)	--	NEW
692979	Need more disk cache telemetry	P5	NEW
694519	DOM mutation/web sockets combination can lag browser UI	P5	NEW
699820	[meta] Eradicate Storage main-thread synchronous API users from the codebase	P3	NEW
703436	Firefox hung with CheckForSurface and ForEachFontInternal	--	NEW
703668	Track caret responsiveness via telemetry	--	NEW
706250	Many short unresponsive periods when loading The Daily What	P5	NEW
706919	Investigate being able to measure when we're not meeting animation deadlines.	--	NEW
707374	Add telemetry to measure svg decoding/rendering time	--	NEW
707391	Categorize time away from event loop	P3	NEW
711880	nsInputStreamChannel::OpenContentStream defeats DEFER_OPEN optimization for file streams by calling Available on the main thread	P3	NEW
711881	nsXMLHttpRequest::Send defeats DEFER_OPEN optimization for file streams by calling Available on the main thread	P3	NEW
711883	HttpBaseChannel::ExplicitSetUploadStream defeats DEFER_OPEN optimization for file streams by calling Available on the main thread	P3	NEW
711884	nsPartialLocalFileInputStream::Init defeats DEFER_OPEN optimization for file streams by calling Seek on the main thread	P3	NEW
715376	implement per-page event queue, to allow timeout grouping/prioritization/etc	P3	NEW
715378	Do cost accounting of setTimeouts to punish cpu hog background tabs	P5	NEW
717561	Get rid of DOMParser::parseFromStream	P3	NEW
717564	Get rid of nsISAXXMLReader::parseFromStream	--	NEW
720459	Janky scrolling at http://html5please.us/	--	NEW
721236	Concurrent GC marking	--	NEW
722648	We should have an async version of nsIObserver	--	NEW
725851	Throttle/Coalesce Scroll events on OSX with the trackpad	--	NEW
726174	fix slow-script dialog proper	P3	NEW
731026	Measure sources of jank during background tab pageload	--	NEW
733293	High-resolution WebM video on YouTube stutters	--	NEW
733617	add telemetry to determine sync document.load usage	P5	NEW
733619	add telemetry to determine XSLT document() usage	--	NEW
736074	The madvise(MADV_FREE) call we make in arena_run_dalloc to can take between 20%-30% of our time	--	NEW
736144	Preload LocalStorage by blocking script tags	P5	NEW
740008	[Mac] Opening a new window is slow (>0.5 sec)	P3	NEW
740523	Mark likely-leaked windows and documents as black for most CCs	--	NEW
744100	Provide an async API for capturing the next redraw	--	NEW
744470	Track phantom setTimeouts like slow sql	P5	NEW
750892	window.assertLayout(callback,[reflow, flush, etc]) aid	--	NEW
752630	Something(refresh driver?) causing a reduction in ctrl+tab drawing rate	--	NEW
757812	Slow down async reflows in background tabs	P5	NEW
757813	Slow down script evaluation in background tabs.	P5	NEW
764983	Investigate if load event firing could be delayed in background tabs	P5	NEW
766333	Adblock Plus causes significant pageload slowdown on a page with tens of thousands of images	--	NEW
767158	remove synchronous DNS resolution in nsAuthSSPI.cpp	P5	NEW
775698	[Tracking] Remove all synchronous (on the main thread) certificate validation and certificate database access	P3	NEW
784565	nightly hangs in PREF_UnregisterCallback	--	NEW
786486	Moving the cursor on an about:newtab thumbnail causes multiple repaints of the thumbnail	--	NEW
786490	Moving the cursor from a submenu to the main Firefox menu causes the entire tabbar to repaint	--	NEW
789573	[meta] Tab switching performance tracking bug	--	NEW
792527	AlphaBoxBlur paints very slow	--	UNCONFIRMED
798055	idle 'back' notification is expensive	--	NEW
803582	Usage of OCSP fetching makes Firefox slow	P3	NEW
807791	canvas/jquery huge jank from http://ocspreport.x509labs.com/	--	NEW
808838	3D CSS Periodic table demo is unusably slow in Firefox	--	NEW
809043	Add support for off-main thread image encoding	--	NEW
810022	Make nsCycleCollector::GCIfNeeded incremental somehow	--	NEW
810127	CCLockedOut GCs are a top source of chrome hangs	--	NEW
810163	meta:Reduce time between createTopLevelWindow and firstPaint	--	NEW
811927	Don't use a temporary surface for inactive opacity surfaces if we don't need to	--	NEW
822481	Loading XDA developers forum in a tab locks up entire Firefox	--	NEW
824113	Excessive repainting when appending some content that isn't in the visible part of the page	--	NEW
832157	Browser considerable slowdown after reaching cache limit.	P3	UNCONFIRMED
832694	Over invalidation of SVG with filters embedded via <object> while scrolling the Shadow DOM spec	--	NEW
842777	preload webappsstore.sqlite on first access to warm cache + use CHUNK_SIZE of 1meg	P5	NEW
844251	Avoid using system wide GDI Lock causing large hangs	--	NEW
846914	13 second Proxy freeze	P3	NEW
850894	Scrolling theverge.com is markedly slower than Chrome on OS X. Stutterson Firefox	--	NEW
854394	Tune main-thread synchronous decodes for multithreaded image decoding	--	NEW
856750	Frequent main-thread hangs in nsStreamListenerTee::OnStopRequest	P3	NEW
859558	[meta] eliminate top font chrome-hangs	--	NEW
859655	Printing causes main-thread hangs of multiple seconds	--	NEW
859664	Direct3D device initialization hangs for multiple seconds on startup	--	NEW
862383	nsFileChannel::nsFileChannel causes expensive lstats	P3	NEW
865181	[Storage] Remove unnecessary mutexes from implementation of mozIStorageAsyncConnection	P3	NEW
867804	Read-ahead the StartupCache	P3	NEW
872980	Progressively limit preferences to 4kB per field	--	NEW
946159	nsSocketTransport::IsAlive does I/O on the main thread	P5	NEW
951781	libssl accesses the NSS certificate database during handshake, causing disk I/O to block network activity	P3	NEW
486408	Firefox "Applications" preference pane is really slow to load; does 2x the work it realy needs to; blocks UI thread on disk access	--	NEW
521264	don't use file.exists() when not necessary	--	REOPENED
628315	Bookmark sync: use SQL for all read operations	--	NEW
630015	some of the text typed in find bar doesn't show up while page is loading	--	NEW
684646	Detect Common performance problems and warn user	--	NEW
702668	CPU at 100% when trying to open http://pl.wikipedia.org/w/index.php?title=Plik%3AMoscow_Metro%2C_Kievskaya_station.jpg&filetimestamp=20050127160901	--	NEW
709181	first doorhanger after startup opens slowly	--	NEW
711465	Reconsider DOM session storage behavior	--	NEW
713220	Page scrolling lag on heavy js site	--	UNCONFIRMED
715592	Postpone events that may cause pauses when user has indicated immersive modes (fullscreen etc)	--	NEW
715612	creating the DOM for hidden tabs slows down browser startup	--	NEW
718232	transition from maximized to full screen mode should hide toolbar before re-arranging it.	--	NEW
720384	scroll restoration happens far too late	--	NEW
721468	Cmd+R causes a js event handler to be run which takes more than 100ms	--	NEW
725374	pinwheel for any place page on atlasobscura.com	--	NEW
728407	[Meta] Runtime leaks caused by chrome	--	NEW
735690	Idle browser (no pages showing) still uses a small amount of CPU	--	NEW
742594	[Page Thumbnails] Large jank soon after switching tabs	--	NEW
779960	Don't wait for the mouse pointer to rest before revealing the statuspanel when hovering a link	P5	NEW
793018	Resizing sidebar is choppy	--	NEW
794528	Excessive blog flair on specific site kills browser perf	--	NEW
808104	Speculatively connect to the homepage before opening the first window	P3	NEW
819063	[meta] Shutdown faster	--	NEW
827428	Clicking "Show all downloads" can cause main-thread IO while loading icons	--	NEW
837989	Use IOUtils for gLastOpenDirectory	--	NEW
884455	Back button sliding janks	--	NEW
943830	Firefox could throw away form (and storage?) data for tabs earlier than URLs and Titles	--	NEW
991003	Session Restore and XUL persistence don't work together due to the order windows are restored	--	REOPENED
995736	Delayed tab titles get temporarily replaced with "Connecting…" upon selection	--	NEW
519514	[meta] Add an asynchronous bookmarking API	P3	NEW
551427	Whole browser should not hang while download file is built/scanned	--	NEW
672284	Consider bypassing safebrowsing checks on Session restore	P5	REOPENED
848132	Wait before declaring the profile is locked	P3	NEW
926160	Support enough features in ArchiveReader to extract xpi	--	NEW
662397	Reorder xul.dll based on startup	--	NEW

124 Total; 124 Open (100%); 0 Resolved (0%); 0 Verified (0%);