Details
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Bug
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Status: Closed
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Major
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Resolution: Invalid
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Adobe Flex SDK 4.0 (Release)
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None
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None
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Affected OS(s): Windows
Affected OS(s): Windows XP
Browser: Internet Explorer 8.x
Language Found: English
Description
There seams to be some performance issue introduced in newer SDK version in the RichText component or TextConverter when used in a ItemRenderer that uses states to determine the visibility of the RichText component.
When profiling the attached application I compared the number of instances of the class flashx.textLayout.conversion.FlowElementInfo between two SDK versions.
With SDK 4.0.0.13951 Cumulative Instances increases by 30 every time the mouse is moved to another row as compared to 5 instances with SDK 4.0.0.12481. As a result the CPU is under much more load when using the newer SDK version.
Maybe this is a TLF issue?
Steps to reproduce:
1. Profile the attached application.
2. Watch the Cumulative Instances of FlowElementInfo while moving the mouse over the list items.
Actual Results:
High object creation rate and high CPU load.
Expected Results:
Less CPU load
Workaround (if any):
Use older SDK version