GENERAL PRINCIPLES OF PIPELINING.pptx
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Pipelining is a technique that overlaps the execution of multiple instructions. The pipeline is divided into stages connected in a pipe-like structure. Instructions enter one end and exit the other. Common stages include fetch, decode, and execute. Pipelining increases overall instruction throughput. Pipelining consists of combinational logic that performs a computation followed by a register to store results. The clock signal controls the movement of instructions between stages on each cycle. Nonuniform stage delays can limit system throughput by the speed of the slowest stage.
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Here are the answers to the questions:
1. Pipeline cycle time = Maximum delay of any stage + Latch delay
= 90 ns + 10 ns = 100 ns
2. Non-pipeline execution time for one task = Total delay of all stages
= 60 + 50 + 90 + 80 = 280 ns
3. Speed up ratio = Non-pipeline time/Pipeline time
= 280/100 = 2.8
4. Pipeline time for 1000 tasks = Pipeline cycle time x Number of tasks
= 100 ns x 1000 = 100,000 ns = 100 μs
5. Sequential time for 1000 tasks = Non-pipeline time per task x Number of tasks
= 280 ns x 1000 = 280,
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GENERAL PRINCIPLES OF PIPELINING.pptx
- 1. GENERAL PRINCIPLES OF PIPELINING BY AWAB HUMAYUN WASIQ ALI IRFAN M.JUNAID SULTAN
- 2. Q: What’s actually Pipelining? Pipelining is a technique where multiple instructions are overlapped during execution. Pipeline is divided into stages and these stages are connected with one another to form a pipe like structure. Instructions enter from one end and exit from another end. Pipelining increases the overall instruction throughput.
- 3. Stages of PIPELINING:- Fetch loads an instruction from memory. Decode identifies the instruction to be executed. Execute processes the instruction and writes the result back to a register.
- 4. COMPUTATIONAL PIPELINING: It consists of some logic that performs a computation, followed by a register to hold the results of this computation. . On each 320 ps cycle, the system spends 300 ps evaluating a combinational logic function and 20 ps storing the results in an output register.
- 6. DETAIL STUDY OF PIPELINE OPERATION: Three-stage pipeline timing. The rising edge of the clock signal controls the movement of instructions from one pipeline stage to the next.
- 7. Nonuniform Partitioning: Limitations of pipelining due to nonuniform stage delays. The system throughput is limited by the speed of the slowest stage.
- 9. THANKS FOR YOUR PATIENCE ;))