Other Performance Improvements
Performance improvements in the form of reduced time and client CPU usage when performing actions such as:
Workspace refresh
Download
Add to workspace
Checkout
Checkin
Update
Other actions when dealing with a large list of objects are available with an optimized system jscript.dll delivered via Microsoft Hotfix 919237 or Microsoft Hotfix 942840 (both compatible with Internet Explorer 6.0) or upgrading to Internet Explorer 7.0 or installing Windows XP SP3 or installing Windows Script 5.7 or installing Windows Vista and by setting the Windows registry settings.
Installing the hotfix (for IE6.0 systems) or installing IE 7.0 or installing Windows XP SP3 or installing Windows Script 5.7 and then setting the registry entries documented in this section will benefit all Windows clients on all Windchill releases (6.2, 7.0, 8.0, 9.0 and later releases).
This hotfix is applicable to both a standalone Internet Explorer 6.0 web browser and the embedded Internet Explorer 6.0 web browser within Pro/ENGINEER Wildfire/Creo and Windchill Workgroup Manager.
The hotfix provides the most benefit when working with larger sets of objects (1000+ objects).
The registry entries described in this section are necessary in all environments for all Internet Explorer releases on Windows platforms (that is, install the hotfix and set the registry entries or install Internet Explorer 7.0 and set the registry entries or Install Windows XP SP3 and set the registry entries or Install Windows Script 5.7 and set the registry entries).
The jscript.dll performance fixes are included in Internet Explorer 7.0, Windows XP SP3, Microsoft Script 5.7, and Windows Vista, so if running one of these configurations, installing either hotfix is not necessary.
Regardless of how a fix is obtained, the Windows Registry settings from this section must to be made in all cases.
Contact Microsoft to obtain the hotfix Call 800-642-7676, #1, #2, #2, #2, request hotfix 919237 http://support.microsoft.com/contactussupport/?ws=support http://support.microsoft.com/?kbid=919237
or obtain the updated KB942840 fix directly from http://support.microsoft.com/?kbid=942840
If installing KB919237 on XP x64, request the hotfix for Server 2003 x64.
Install the hotfix on the client machine. It can be installed manually or automatically via the use of login scripts, group policy tools, or other patch management products.
Add the new Registry keys and values as documented in this section, not from the Microsoft article. Refer to Microsoft instructions and warnings regarding registry modification as detailed in KB919237 article. Perform registry modifications in ALL environments (that is, Internet Explorer 6, Internet Explorer 7, Vista, Script 5.7.
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Script\Features]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Script\Features\iexplore]
"GcVarTrigger"=dword:00010000
"GcValTrigger"=dword:00010000
"GccbSysTrigger"=dword:00040000
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Script\Features\xtop]
"GcVarTrigger"=dword:00010000
"GcValTrigger"=dword:00010000
"GccbSysTrigger"=dword:00040000
The registry settings can be set manually, by copying the aforementioned values into a *.reg file and executing the file, on runtime with the syntax "regedit.exe /s path of .reg file", on login to the machine, or by other means. See the "Distributing Registry Changes" section of http://support.microsoft.com/kb/310516 for additional info.
Restart the client machine.
* 
Microsoft has not yet released Windows Script 5.7 for Windows XP x64. Microsoft KB942840 superceeds KB919237. Validation of performance improvements with this jscript.dll version has not been performed by PTC QA. Windows Script 5.7 includes a fix for Microsoft Windows 2000 and XP. Validation of performance improvements with this jscript.dll version has not been performed by PTC QA.
When working in standalone browser sessions, alternate browsers such as Mozilla and Firefox can in some cases perform better than Internet Explorer.
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