Problem 1: (a) Draw pipeline diagram (FI, DI, FO, EI, WO) with one memory port for the following instructions: MOV [1234], 035 ADD [1234], AX SUB BX, CX XOR CX, BX PUSH CX (b) Write the code for the following. Rewrite the code to reduce hazards by instruction rescheduling: [a] = [c]-[e] [b] = [a] + [d] [c] = [f] + [e]

Problem 1: (a) Draw pipeline diagram (FI, DI, FO, EI, WO) with one memory port for the following instructions: MOV [1234], 035 ADD [1234], AX SUB BX, CX XOR CX, BX PUSH CX (b) Write the code for the following. Rewrite the code to reduce hazards by instruction rescheduling: [a] = [c]-[e] [b] = [a] + [d] [c] = [f] + [e]

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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(A) Show with graph how we add the following floating point: X-0.541 x10', Y-0.947x10. Using Add operation to solve these floating points by using pipeline structure (X= 0.7100 x 10) and (Y = 0.1234 x 10) then draw the suitable circuit of this operation.
Table.1 Basic computer register contents (all values are in hexadecimal B7 Control condition Register Transfer D7 E АС DR IR PC AR M[AR] Initial Values 1962. 2952, 1047, 436, 200, 122D, Initial Values 1962, 2952, 1047, 436, 322, 8966, TO: AR<--- PC 1962, 2952, 1047, 436, 436, 7200, T1: IR<--- M[AR], PC <--- PC+1 T2: |AR<--- IR(0-11), <---IR(15),D0:D7<---IR(14:12)
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Pipelining with 1-stage Bypass Circuitry: Show the execution of the following sequence of MIPS instructions on a pipeline chart. Also show how source operands of ALUS are gathered for 12, 13, and 14 (i.e. read from the Register File at the Decode stage or forwarded from the first stage of the bypass circuitry) 11: LOAD R1, R8, #100 12: LOAD R2, R8, #500 13: ADD R3, R1, R2 14: STORE R3, R8, #1000
my goal is to set a register to the maximum of two registers. Register C should hold the max number of A and B using VMAL programming/ assembly language # The C register should hold the maximum of A and B A: 5; # Initialize the A register to 5 B: 7; # Initialize the B register to 7 C: 0; # Initialize the C register to 0 - DO NOT CHANGE # Goal: C = MAX(A, B) in VMAL programming/assembly language # Examples: If A = 3 and B = 4, then C = 4 # If A = 2 and B = -3, then C = 2 # If A = 5 and B = 5, then C = 5 # IF statements in VMAL: # if (A == 0) { # # } # # then the resulting VMAL would look something as follows: # # SF A; # BIZ IF_START_1; # GO IF_END_1; # LBL IF_START_1; # // STUFF (translated to VMAL) # LBL IF_END_1; #
No hand written and fast answer with explanation
lw r1,12(r7)lw r2,16(r7)add r1,r1,r2sw r1,4(r5)a. Identify and describe all the data dependencies.b. How many clock cycles does it take to execute this code without any pipelining?c. How many clock cycles with pipelining, but no bypassing (stalls cause the pipeline to wait until previous instruction is finished)?
Explain..........
- Consider that each instruction require 6 steps (phases) to execute and each (step) phase takes 5 seconds to complete. Also, within each instruction it requires 3 seconds time gap between end of completion one step (phase) and beginning of next step (phase). b. Design and reflec on a suitable pipeline technique using which time taken for executing all 3 programs can be further improved. Calculate the improved time using this method by considering that instruction require same number of steps to complete and time taken for each step is same and time gap between each steps is also same?
Question 3 Execute the following instruction by the following SS and show the execution of A- Inorder Issue & In Order Completion B- Inorder Issue & Out of Order Completion Div / ADD / Sw Mul F0 , F2 , F4 Add F9 , F10 , FO Div F9, F23 , F25 Sub F19 , F15 , F9 Div F44 , F25 , F90 Sw F0 , 5(R1) Sub F13, F15 , F16 ai a2 a3 f1 di Other f2 d2 S2 el
1A. Consider the following code: AREA ASCENDING, CODE, READONLY ENTRY MOV R8, #2 LOOPO LDR R1, [R2], #4 STR R1, [R3], #4 SUBS R8, R8, #1 CMP R8, #0 BNE LOOPO How many clock cycles are required to complete the execution of the above code on non- pipelined processor assuming each instruction will take 1 cycle to execute completely? Show calculations. How many clock cycles required to complete the execution of the above code on 3-staged pipelined processor? Draw the pipeline diagram for the same. Let one stage requires one clock cycle and assume all memory references hit in cache.
By using an equation off = ( a - b ) / [ ( d x e ) + c ];(a) illustrate the step to realize this equation by using the stack concept. (b) construct its’ CISC zero address format. (c) construct its CISC one address format. (d) construct the CISC two address format by using only 3 register. (e) In your opinion, do we need to have at least as possible instruction line? Do it will reflectthe performance of computer execution time?