Closed Bug 1226510 Opened 9 years ago Closed 2 years ago

slow render items on mouse move


(Core :: Graphics, defect)

44 Branch
Not set





(Reporter: gandriyko, Unassigned)


(Blocks 1 open bug)


(Keywords: parity-chrome, perf, Whiteboard: gfx-noted)

User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:44.0) Gecko/20100101 Firefox/44.0
Build ID: 20151119004053

Steps to reproduce:

Go to

Actual results:

When quick move mouse over items, selected item displayed with delay

Expected results:

selected item must displayed immediately, like in Google Chrome
Name 	Firefox
Version 	44.0a2
Build ID 	20151119004053
Update History 	
Update Channel 	aurora
User Agent 	Mozilla/5.0 (Windows NT 6.1; WOW64; rv:44.0) Gecko/20100101 Firefox/44.0
Profile Folder 	
Enabled Plugins 	about:plugins
Build Configuration 	about:buildconfig
Memory Use 	about:memory
Registered Service Workers 	about:serviceworkers
Multiprocess Windows 	1/1 (default: true)
Safe Mode 	false

Adapter Description	Intel(R) HD Graphics 4000
Adapter Description (GPU #2)	NVIDIA GeForce GT 650M
Adapter Drivers	igdumdim64 igd10iumd64 igd10iumd64 igdumdim32 igd10iumd32 igd10iumd32
Adapter Drivers (GPU #2)	nvd3dumx,nvwgf2umx,nvwgf2umx nvd3dum,nvwgf2um,nvwgf2um
Adapter RAM	Unknown
Adapter RAM (GPU #2)	2048
Asynchronous Pan/Zoom	none
Device ID	0x0166
Device ID (GPU #2)	0x0fd1
Direct2D Enabled	true
DirectWrite Enabled	true (6.2.9200.17461)
Driver Date	8-17-2015
Driver Date (GPU #2)	10-23-2013
Driver Version
Driver Version (GPU #2)
GPU #2 Active	false
GPU Accelerated Windows	1/1 Direct3D 11 (OMTC)
Subsys ID	05781028
Subsys ID (GPU #2)	05781028
Supports Hardware H264 Decoding	Yes
Vendor ID	0x8086
Vendor ID (GPU #2)	0x10de
WebGL Renderer	Google Inc. -- ANGLE (Intel(R) HD Graphics 4000 Direct3D11 vs_5_0 ps_5_0)
windowLayerManagerRemote	true
AzureCanvasBackend	direct2d 1.1
AzureContentBackend	direct2d 1.1
AzureFallbackCanvasBackend	cairo
AzureSkiaAccelerated	0
Keywords: perf
Whiteboard: [parity-Chrome]
Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:45.0) Gecko/20100101 Firefox/45.0
Build ID: 20151123030237

Using the Performance tool available in Firefox observed that Painting call for takes the longest time (approximately 10 to 15 times longer than similar action in Chrome).

Setting the status to NEW. 

Could this be related to Bug 1220429 ?
Component: Untriaged → Graphics
Ever confirmed: true
Product: Firefox → Core
Blocks: paint-fast
Whiteboard: [parity-Chrome] → [parity-Chrome], gfx-noted
Bug 1220429:
Firefox Developer Edition: 0 ftp (no rendering)
Firefox 42 - 15 fps
Chrome 46 - 38 fps
Mass bug change to replace various 'parity' whiteboard flags with the new canonical keywords. (See bug 1443764 comment 13.)
Keywords: parity-chrome
Whiteboard: [parity-Chrome], gfx-noted → gfx-noted

Latest nightly is doesnt show any jank here. Clsoing.

Closed: 2 years ago
Resolution: --- → WORKSFORME
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