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What is pipelining? What are the various hazards encountered in pipelining?
Explain in detail.
The major characteristics of a pipeline are:
a) Pipelining cannot be executed on a single task, as it works by splitting multiple tasks into a number of subtasks and operating on them concurrently.
b) The speedup or efficiency achieved by suing a pipeline depends on the number of pipe stages and the number of obtainable tasks that can be subdivided.
c) If the task that can be subdivided has uneven length of execution times, then the speedup of the pipeline is decreased.
d) Though the pipeline architecture does not reduce the time of implement of a single task, it reduces the overall time taken for the whole job to get completed.
The various pipeline hazards are:
1. Data hazard
2. Structural Hazard
3. Control Hazard.
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