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  1. JDK
  2. JDK-8100627

TreeItem expand/collapse performance in hardware pipeline is almost 20 fps worse than in j2d pipeline

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      TreeItem expand/collapse performance in hardware pipeline is worse than in j2d pipeline.

      Here are results of running "TreeViewExpandPerfTest -size 100 -type wide" with fx2.0-b39 on windows xp midrange machine.
       hw: 34.92 fps
       j2d: 51.56 fps

      I also see similar on my Dell E6410 laptop.

      It would be good to investigate and improve.

            flar Jim Graham
            epavlova Ekaterina Pavlova
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