In a non-pipelined processor, the clock cycle is determined by the shortest possible path in a processor. Group of answer choices
true
false
Answer : True
we can determine the cycle time using the slowest stage of the data path which is nothing but an shortest path in the processor
In a non-pipelined processor, the clock cycle is determined by the shortest possible path in a...
A non-pipelined processor has a clock rate of 1 GHz and an average instruction takes 9 cycles to execute. The manufacturer has decided to design a pipelined version of this processor. For this purpose, the instruction cycle has been divided into five stages with the following latencies: Stage 1 – 2.0 ns,Stage 2 – 1.5 ns, Stage 3 – 1.0 ns, Stage 4 – 2.6 ns, Stage 5 – 1.9 ns. Each stage will require an extra 0.4 ns for...
In this exercise, we examine how pipelining affects the clock cycle time of the processor. Problems in this exercise assume that individual stages of the datapath have the following latencies: [17pts] 3. IF ID EEX MEM | WB 250ps 350ps 150ps300ps200ps a. what is the clock cycle time in a pipelined and non-pipelined (ie, single cycle) processor? what is the total latency of one lw instruction in a pipelined and non-pipelined (i.e., single cycle) processor? b. What is the total...
In this exercise, we examine how pipelining affects the clock cycle time of the processor. Problems in this exercise assume that individual stages of the datapath have the following latencies: IF | ID | EX | MEMIwB 200ps 400ps 150ps 250ps 200ps Also, assume that instructions executed by the processor are broken down as follows: alu beqIwSW 45% 20% 20% 15% 3.1 What is the clock cycle time in a pipelined and non-pipelined processor? 3.2 What is the total latency...
Assume that individual stages of the data path have the following latencies What is the clock cycle time in a non-pipelined and pipelined system respectively? EX RAIE WB IF ID 250 ps 320 ps 500 ps 120 ps 150 ps
(Pipelining 20%) The 5 stages of a processor have the following latencies: Fetch Decode Execute Memory Write-back 250 350ps 300ps 500ps 80ps a. If the processor is non-pipelined: what is the clock cycle time for the processor? What is the latency of an R-type instruction in the processor? b. If the processor is pipelined: What is the clock cycle time for the processor? What is the latency of an R-type instruction in the processor? C. If you could split one...
Processor 1 is on a 4-stage pipeline on a 12ns clock cycle. Processor 2 is on a 10-stage pipeline on a 4ns clock cycle. Which processor has the better latency? Which processor has better maximum throughput? Assuming 25% of all instructions on P1 require a 1-cycle stall, what is its throughput?
Which of the following are true of pipelined datapaths (as opposed to non-pipelined datapaths): Select all that apply The amount of time it takes for an instruction to go through the pipeline is higher because of setup and hold times of latches Clock cycles per instruction generally goes up More control is needed More latches/registers are required Instruction throughput, i.e., number of instructions executed per cycle, generally goes up
When processor designers consider a possible improvement to the processor data path, the decision usually depends on the cost/performance trade-off. In the following three problems, assume that we are starting with a data path from Figure 4.2, where I Mem, Add, Mux, ALU, Regs, D-Mem, and Control blocks have latencies of 500ps, 150ps, 30ps, 110ps, 240ps, 350ps, and 100ps, respectively, and costs of 1100, 40, 10, 90, 220, 2000, and 500, respectively. Consider the addition of a multiplier to the...
A program that executes 12.3x107 instructions is run on a pipelined processor. The table below provides the percentage of executed instructions for each type of instruction. Instruction Executed P ipeline CPU type instructions (%) w/o hazards ALU 29.4 Load 29.7 Store 14.7 Branch 26.2 2 (w/o prediction) 27% of the load instructions are followed by instructions that need the data being loaded, 47% of the branches are actually.not taken, please assume not taken prediction. a) Please determine the overall cycles...
Consider the following code to be executed on a pipelined processor lw $s1, 40(Ss6) add $s6, $s2, $s2 sw Ss6, 48(Ss1) a. Include stalls/nops in the code so it executes correctly in the cases of (i) No forwarding (ii) ALU-ALU for warding, (iii) Full forwarding b. In each case calculate the number of clock cycles required to execute the code c. Assume further that the clock cycle time is 110 ps with no forwarding, 120 ps with ALU-ALU forwarding and...