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Neurobs Presentation

56 bytes added, 11:18, 26 November 2015
Screen synchronization issue on 120 Hz screens
One would expect ''picture1'' to be shown for 1 frame (1/120 s) and time ''dt'' to show this. Sometimes this is not the case. The image will be shown for one frame (1/120 s), but ''dt'' will be 2/120 s:
[[File:Timeline.svg|400px|none|captionsynchronization bug timeline]]
The fact that ''picture1'' is shown for only 1/120 s was confirmed with a light sensor connected to an oscilloscope.
The chance of this issue occurring is highly dependant on the waiting time:
[[File:Occurrence.png|400px|none|captionsynchronization bug occurrence]]
Neurobs people seem to [ think] it has something to do with triple buffering, but the graph above was created without triple buffering enabled.

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