Bubble (computing)
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In computing, a bubble is a "hiccup" in execution of an instruction in an instruction pipeline.
The following is two executions of the same four instruction through a 4-stage pipeline but, for whatever reason, a delay in fetching of the purple instruction in cycle #2 leads to a bubble being created delaying all instructions after it as well.
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| Normal execution | Execution with a bubble |
[edit] See also
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