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Consider the following sequence Assuming forwarding is implemented, the CPI is 2.2 4.1 2 None of...
We execute the following instruction sequence (data hazards may exhibit in the sequence) on a MIPS 5-stage pipeline with forwarding and stall features implemented. Draw a graphical representation for the execution of the instruction sequence that clearly shows (1) forwarding path (if any); (2) stall cycles (if any); and (3) total cycles needed for the execution. lw R8, 0x0020(R10) add R9, R8, R10 sw R8, 0x0040(R10)
1- What is true about the following code sequence: addi x18, x0, 1 addi x19, x0, 2 addi x20, x0, 2 addi x21, x0, 4 addi x22, x0, 5 Must stall on the addi results Can avoid stalls using only forwarding Can execute without stalling or forwarding None of the above 2- What is true about the following code sequence: ld x9, 64(x22) add x9, x21, x9 Must stall on the ld result Can avoid stalls using only forwarding Can...
2 This exercise is intended to help you understand the relationship between forwarding hazard detection, and ISA design. Problems in this exercise refer to the following sequence of instructions, and assume that it is executed on a 5-stage pipelined datapath: w r5,4(r5) add r5,r2,r5 w r3,0(r5) or r3,r5,r3 sw r4,0(r5) 2.1 If there is no forwarding or hazard detection, how many nops needed to be inserted to ensure correct execution, and how many cycles needed to execute the codes? 2.2...
2 This exercise is intended to help you understand the relationship between forwarding hazard detection, and ISA design. Problems in this exercise refer to the following sequence of instructions, and assume that it is executed on a 5-stage pipelined datapath: lw r5,4(r5) add r5,r2,r5 Iw r3,0(r5) or r3,r5,r3 sw r4,0(r5) 2.1 If there is no forwarding or hazard detection, how many nops needed to be inserted to ensure correct execution, and how many cycles needed to execute the codes? 2.2...
1. Consider the following 7-bit binary sequence "1010001" a. Assuming the sequence is 7-bit unsigned binary, convert it to decimal. 15 points] b. Assuming the sequence is 7-bit 2's complement format, convert it to decimal. (5 points c. What is the range of numbers (in decimal) that can be represented using 7-bit binary, signed 2's complement format? 15 points 2. Consider the following Boolean function: F(x, y, z) = (x + y). z'+xy' a. Implement the circuit for the function...
Q4. (20 points) Consider the following sequence of instructions being processed on the 5-stage RISC-V pipelined processor: lw r4, 100 (r2) add r5, r2, r3 sub r6, r4, r5 and r7, r2, r5 I. Identify all the data dependencies in the above instruction sequence. For each dependency, indicate the two instructions and the register that causes the dependency. I Assume that the pipelined uses full forwarding. Draw a pipelined diagram that represents the flow of instructions through the pipeline during...
1. Consider the following 7-bit binary sequence "1010001" a. Assuming the sequence is 7-bit unsigned binary, convert it to decimal. [5 points] b. Assuming the sequence is 7-bit 2's complement format, convert it to decimal. (5 points c. What is the range of numbers (in decimal) that can be represented using 7-bit binary, signed 2's complement format? [5 points 2. Consider the following Boolean function: F(x, y, z) = (x + y)z'+xy! a. Implement the circuit for the function using...
What is the major product of the following reaction sequence? None of the above
EXERCISES Write the first 4 terms of each sequence following the given rule. (Lesson 4.1) 2. f(1) =-12, f(n) = 2f(n-1)
What is the major product of the following sequence ofrecht 1) CHO 2) none of these i OH