An analogy is basically every time you subconsciously predict something, but something else happens. You get surprised and confused which is the brain's analog of flushing the pipeline and calibrating the predictor. Indeed, the execution of most mundane tasks only bubbles up to the conscious level when something unexpected happens and you need to update your model of the world.
Disclaimer: as I said, this is an analogy. Brains are not literally executing instructions in a pipeline.