Opera DSK-344206

Version: 11.50
Build: 1074
Operating system: Windows 7
Platform: PC

Summary: Text render with JavaScript is so slow

URL: http://kothic.org/js/

Steps to reproduce
===================
1. Load page
2. Wait render
3. See render time on sidebar

Expected result
===============
Normal render time

Actual result
=============
text/icons renders VERY slow, about 1.5-2 sec per tile on Pentium T4400(2.2
GHz, 2 cores).

Other results in other browsers (Intel Pentium T4400 2.2GHz 2cores)(Tested
in Windows 7 SP1 x86):
IE 9: 1.1-1.5 sec text, 1.7-2.1 per tile
FF 5.0.1 1.1-1.6 sec text, 1.7-1.9 per tile

HTTP_USER_AGENT: Opera/9.80 (Windows NT 6.1; U; ru) Presto/2.9.168
Version/11.50
HTTP_ACCEPT_LANGUAGE: ru-RU,ru;q=0.9,en;q=0.8


PLUGINS:
===========
Microsoft® Windows Media Player Firefox Plugin (np-mswmp) np-mswmp.dll
Java Deployment Toolkit 6.0.240.7 (NPRuntime Script Plug-in Library for
Java(TM) Deploy) npdeployJava1.dll
Java(TM) Platform SE 6 U24 (Next Generation Java Plug-in 1.6.0_24 for
Mozilla browsers) npjp2.dll
LibreOffice Plug-in (LibreOffice Plug-in handles all its documents)
npsoplugin.dll
QuickTime Plug-in 7.6.9 (The QuickTime Plugin allows you to view a wide
variety of multimedia content in Web pages. For more information, visit the
<A HREF=http://www.apple.com/quicktime/>QuickTime</A> Web site.)
npqtplugin.dll
QuickTime Plug-in 7.6.9 (The QuickTime Plugin allows you to view a wide
variety of multimedia content in Web pages. For more information, visit the
<A HREF=http://www.apple.com/quicktime/>QuickTime</A> Web site.)
npqtplugin2.dll
QuickTime Plug-in 7.6.9 (The QuickTime Plugin allows you to view a wide
variety of multimedia content in Web pages. For more information, visit the
<A HREF=http://www.apple.com/quicktime/>QuickTime</A> Web site.)
npqtplugin3.dll
QuickTime Plug-in 7.6.9 (The QuickTime Plugin allows you to view a wide
variety of multimedia content in Web pages. For more information, visit the
<A HREF=http://www.apple.com/quicktime/>QuickTime</A> Web site.)
npqtplugin4.dll
QuickTime Plug-in 7.6.9 (The QuickTime Plugin allows you to view a wide
variety of multimedia content in Web pages. For more information, visit the
<A HREF=http://www.apple.com/quicktime/>QuickTime</A> Web site.)
npqtplugin5.dll
QuickTime Plug-in 7.6.9 (The QuickTime Plugin allows you to view a wide
variety of multimedia content in Web pages. For more information, visit the
<A HREF=http://www.apple.com/quicktime/>QuickTime</A> Web site.)
npqtplugin6.dll
QuickTime Plug-in 7.6.9 (The QuickTime Plugin allows you to view a wide
variety of multimedia content in Web pages. For more information, visit the
<A HREF=http://www.apple.com/quicktime/>QuickTime</A> Web site.)
npqtplugin7.dll
Shockwave Flash (Shockwave Flash 10.3 r181) NPSWF32.dll
Comrade Plugin (Comrade Plugin) npcomrade.dll
Foxit Reader Plugin for Mozilla (Foxit Reader Plug-In For Firefox and
Netscape) npFoxitReaderPlugin.dll
Google Earth Plugin (GEPlugin) npgeplugin.dll
Picasa (Picasa plugin) npPicasa3.dll
Silverlight Plug-In (4.0.60531.0) npctrl.dll
Windows Live Photo Gallery (NPWLPG) NPWLPG.dll
WPI Detector 1.3 (wpidetector) npwpidetector.dll
HD View (HD View 3.3.0.0 Mozilla plugin) nphdview.dll
Webvision Plugin (Vision Scene Plugin) npvision.dll
Unity Player (Unity Player 3.4.0f5) npUnity3D32.dll


SCREEN:
===========
Resolution: 1366x768
ColorDepth: 32


Browser JavaScript:
Opera Desktop 11.50 core 2.9.168, July 25, 2011