Consider a computer system that utilizes a 3.6GHZ processor, with 1GB RAM and 17ns memory access latency. It processes the following types of instructions: arithmetic and logic, branches, and memory moves. To execute the instructions, it requires: arithmetic and logic: 4 clock cycles branches: 5 clock cycles memory moves: 5 clock cycles Upon investigation, and 40% of instructions executed are memory move operations, and 20% are branch instructions. Arithmetic & Logic needs only one memory access but branch and memory move instructions need 2 ) Calculate the average CPI of the processor. (ii) Find the MIPS rating of the processor. (iii) Estimate the time taken to execute a program withn number of instructions.
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- Processor R is a 64-bit RISC processor with a 2 GHz clock rate. The average instruction requires one cycle to complete, assuming zero wait state memory accesses. Processor C is a CISC processor with a 1.8 GHz clock rate. The average simple instruction requires one cycle to complete, assuming zero wait state memory accesses. The average complex instruction requires two cycles to complete, assuming zero wait state memory accesses. Processor R can’t directly implement the complex processing instructions of Processor C. Executing an equivalent set of simple instructions requires an average of three cycles to complete, assuming zero wait state memory accesses. Program S contains nothing but simple instructions. Program C executes 70% simple instructions and 30% complex instructions. Which processor will execute program S more quickly? Which processor will execute program C more quickly? At what percentage of complex instructions will the performance of the two processors be equal?I want all steps for Consider a computer which has a memory which is capable of storing 4096 K words and each word in memory can be of size 32 bits. The computer supports a total of “6” addressing modes, and it has “50” computer registers. The computer supports instructions, where each instruction consists of following fields: • Mode • Operation code • Register • Register • Memory Address Given that each instruction will be stored in one memory word, discuss with a suitable diagram the format of instruction by specifying number of bits for each field of instruction. Discuss each field of instructionConsider a computer which has a memory which is capable of storing 4096 K words and each word in memory can be of size 32 bits. The computer supports a total of “6” addressing modes, and it has “50” computer registers. The computer supports instructions, where each instruction consists of following fields: Mode Operation code Register Register Memory Address Given that each instruction will be stored in one memory word, discuss with a suitable diagram the format of instruction by specifying number of bits for each field of instruction. Discuss each field of instruction
- Consider a Computer which has a memory which is capable of storing 4096 K words and each word in memory can be of size 32 bits. The computer supports a total of 6 addressingmodes, and it has 60 computer registers. The computer supports instructions, where each instruction consists of following fields: Mode Operation code Register Register Memory AddressGiven that each instruction will be stored in one memory word, discuss with a suitable diagram the format of instruction by specifying number of bits for each field of instruction. Discuss each field of instruction.Question: Suppose a program of 600 instructions runs on a 2 GHz processor. The frequency of instructions and the clock cycle counts per instruction are given as follows. What is the average CPI of this instruction mix? Operation Frequency Clock Cycles ALU operations 55% 1 Loads/Stores 30% 2 Branches 15% 3 Question: Continue from the previous question. What is the CPU time of the program in nanoseconds? Question: Suppose a processor P has a 2.5 GHz clock rate and a CPI of 1.5. If the processor executes a program in 3 microseconds, find the number of instructions in the program.Computer A has an overall CPI of 1.3 and can be run at a clock rate of 600MHz.Computer B has a CPI of 2.5 and can be run at a clock rate of 750 Mhz. Wehave a particular program we wish to run. When compiled for computer A, thisprogram has exactly 100,000 instructions. How many instructions would theprogram need to have when compiled for Computer B, in order for the twocomputers to have exactly the same execution time for this program?
- hi can u anwser this qustion plesc ? Consider a Computer which has a memory which is capable of storing 4096 K words and each word in memory can be of size 32 bits. The computer supports a total of “K” addressing modes, and it has “M” computer registers. The computer supports instructions, where each instruction consists of following fields: Mode Operation code Register Register Memory AddressGiven that each instruction will be stored in one memory word, discuss with a suitable diagram the format of instruction by specifying number of bits for each field of instruction. Discuss each field of instruction.Note: Choose your own values for K (number of addressing modes) and M (number of Registers) k=8 m=50Consider a multilevel computer in which levels are vertically stacked, with the lowest level being level 1. Each level has instructions that are m times as powerful as those of the level below it; that is, one level r instruction can do the work of m instructions at level r-1. However, n instructions at level r-1 are required to interpret each instruction at level r. Given this, answer the following questions: If a level 1 program requires k seconds to run, how long would the equivalent program take to run at levels 2, 3 and 4. Express your answer in terms of n, m, and r. What is the performance implication for the program if n > m? Conversely, what is the implication if m > n? Which case do you think more likely? Why?Suppose the implementation of an instruction set architecture uses three classes of instructions, which are called A, B, and C. The total dynamic instruction count is 1 x 10^7 and the processor's clock rate is 2.5 GHz. Details for the three classes are given in the table below: Class CPI % of instructions A 1 20% 50% C 3 30% Complete the following table. Express all answers in scientific notation and round to two decimal places, when needed. Class Instruction Count Number of Clock Cycles х 10^ x 10^ A х 10^ х 10^ x 10^ х 10^ C
- Considertwodifferentimplementationsofthesameinstruction set architecture. The instructions can be divided into four classes according to their CPI (class A, B, C, and D). P1 with a clock rate of 2.5 GHz and CPIs of 1, 2, 3, and 3, and P2 with a clock rate of 3 GHz and CPIs of 2, 2, 2, and 2. Given a program with a dynamic instruction count of 1.0E6 instructions divided into classes as follows: 10% class A, 20% class B, 50% class C, and 20% class D, which implementation is faster? a. WhatistheglobalCPIforeachimplementation?A superscalar computing system with the 2nd degree of Superscalar and with 3 processing units. The instructions are: I1: Require 2 execution cycles I2: Require 4 execution cycles I3& I4: Conflict for resources I3& I4: Require 2 execution cycles I5: Data dependency on I4 I6 to I9: No constraints Analyze the performance of this system in terms of clock cycles count for the following three cases. In-order issue and In-order completion In-order issue and out-of-order completion Out-of-order issue and out-of-order completionConsider a CPU that implements a single instruction fetch–decode–execute–write- back pipeline for scalar processing. The execution unit of this pipeline assumes that the execution stage requires one step. Describe, and show in diagram form, what happens when an instruction that requires one execution step follows one that requires four execution steps.