Experiment slows down and eventually crashes, with no error messages when running script


Experiment slows down and eventually crashes, with no error messages...
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Amrit
Amrit
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Posts: 4, Visits: 42
Hello,

I am facing a confusing issue when attempting to run a millisecond script either on my desktop or as a web script. 
No error message ever pops up but the experiment starts to slow down and then eventually crashes. 

The structure of each trial is simple. 2 mp4s play and then a response is waited for. However, it seems that after some number of trials (about 70 on my laptop, about 150 on my desktop), a long lag (about 15s) starts to appear between trials, and eventually between videos. The experiment as a whole is using 24 mp4's, each of which are less than 200 KB. I haven't faced this issue when using a near identical script that made use of only jpgs (images) or .wav files (audio clips). So the issue seems to be with trying to present movies specifically. 

The difference between the laptop and the desktop (and the lack of any error messages) makes me think it might be an issue of processing power but I am not sure.

Has anyone dealt with this issue before or have an idea of how to deal with it?  
I can share a script and stimuli if needed to replicate the issue. 

Thank you! 
GO

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