Qt Development Technologies

Qt Development Technologies

Posts 1-2 of 2
  • Wolfgang Boos
    Wolfgang Boos
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    Performance WinCE 6.0 with Qt 4.5
    Hi,

    we make some tests at the moment with Qt 4.5 on WinCE 6.0 with an XScale processor PXA270 and PXA320 (Toradex). The performance compared to embedded Linux (Ubuntu) is relay slow (on PXA270). Especially screen changes (full screen VGA) looks slow.
    Have everybody the same problem or is this an known problem? Some ideas for solving?

    Regards
    Wolfgang
    • 07 Apr 2009, 9:04 pm
  • Adrian Ritt
    Adrian Ritt
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    Re: Performance WinCE 6.0 with Qt 4.5
    Hi Wolfgang,

    did you compile the application static or dynamic?
    If dynamic, there is a known problem with the library loading process of the win ce 6.0.

    The process is not efficient and the access to the Qt library will cause a low performance on run time.

    Unfortunalty there is still no patch for the operation system to resolve this. You need to ask your embedded device vendor.

    If you want to get performance copy the program to the RAM-Disk.

    Regards,
    Adrian
    • 16 Jul 2011, 12:49 pm