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RatingScale really slow

Hi!

I have this 2 projects attached.

The problem is "simple" :

the transition to the next page is very slow. I already tried with "legacy backend and set Double buffering" and "xpyriment backend and set OpenGL to 'no' " but there is no significant change. Have you any suggestion?


Comments

  • Hi Lawero,

    For me it runs fine, and I don't see anything that should make this very slow. Is OpenSesame in general very slow on your system? In that case, you might consider using a different computer for testing. Or is the slowness really specific to this experiment?

    Cheers,

    Sebastiaan

  • mmmmm...

    the experiment with 3 question doesnt require something like 2/3 seconds to you to switch page?

    And the new attachment (5 questions x page) 4/5 seconds?


  • No, other than the 1 s fixation dot in new_sketchpad, which I assume is intentional, it runs perfectly smoothly for me. Hence my recommendation to try it on another system!

  • I'll try!

    But for the "fixation dot in new_sketchpad" I set the duration to 1. It's 1ms or 1s?


  • Ow, right, it's indeed 1 ms! In that case it's a bit slow for me too, although not nearly as much as for you. Could you run the attached modification of your experiment? This will do a simple profiling to pinpoint where the delay comes from. It will create a profile report (profile.txt) in the same folder as the experiment file. Could you post profile.txt here?

  • thx!

    1-I switched system, and you are right...now the experiment timing is as yours.

    2-No "profile.txt" appears. I'm using the "no-istallation version" and at the end the program reports:

    "The experiment did not finish normally for the following reason:   Python seems to have crashed. This should not happen. If Python crashes often, please report it on the OpenSesame forum."


    (actually this happen every time but it works fine)

  • help? :( any news?

  • Based on your previous comment, I had the impression that everything works now. (Except a Python crash as the end, but apparently with no consequences.) What is the problem that remains?

  • """Ow, right, it's indeed 1 ms! In that case it's a bit slow for me too, although not nearly as much as for you. Could you run the attached modification of your experiment? This will do a simple profiling to pinpoint where the delay comes from. It will create a profile report (profile.txt) in the same folder as the experiment file. Could you post profile.txt here?"""

    And I tryed your version but no "profile.txt" appears. So I cant tell why it's slow (not so slow but still slow a little)

  • The profile report is probably saved somewhere else then. You could either search for it by name, or you could indicate a specific folder so that you're sure where to find the file, by changing the line that says:

    with fnc.profile():
    

    to:

    with fnc.profile(r'c:\my_folder\my_profile_report.txt'):
    

    Where of course the path should correspond to a valid path on your system.

    Thanks for helping out!

  • Here we go! :D Thx again


    Any useful information? :D

  • Thanks! Yes, it shows that most of the time is spent rendering text. This is in itself not surprising, but it may be susceptible to performance improvements.

    Thanks!

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