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From "goratz (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLEX-34769) TLF Performance issue (applyLeafFormat method)
Date Fri, 27 Feb 2015 12:25:04 GMT
goratz created FLEX-34769:
-----------------------------

             Summary: TLF Performance issue (applyLeafFormat method)
                 Key: FLEX-34769
                 URL: https://issues.apache.org/jira/browse/FLEX-34769
             Project: Apache Flex
          Issue Type: Bug
          Components: TLF
    Affects Versions: Apache Flex 4.13.0, Apache Flex 4.12.0, Apache Flex 4.11.0, Apache Flex
4.10.0, Apache Flex 4.14.0
         Environment: OS: Windows 7
AIR version: 15 and 16
CPU: Intel i7 2630h 
RAM: 4GB

            Reporter: goratz
             Fix For: Apache Flex 4.9.0


I have a very strange performance difference between 2 versions of TextLayout.swc. The first
one is the swc included in Apache Flex 4.14 SDK and the second one is included in Apache Flex
4.9.1. 

I have a very large text, more or less 200 DIN-A4 pages in a Textflow. I scroll to the end
of the document and I underline a word. This is my result underling a word in both versions.


Flex SDK Version     Time 

   4.9.1                  21 ms (miliseconds). 0,02 Seconds 


   4.14                   3.405 ms (miliseconds). 3,4 Seconds 

The time difference happens in this line of code: 
EditManager.applyLeafFormat(oFormat); 

Anyone has any idea what's the problem? 

More info: https://issues.apache.org/jira/browse/FLEX/?selectedTab=com.atlassian.jira.jira-projects-plugin:issues-panel



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