3. Consider the following periodic real-time tasks T1 and T2 that are supposed to be executed ina uniprocessor architecture using Rate Monotonic Assignment and non-preemptive schedulingapproach.•T1(C1=6, period P1= 10, Priority PR1=0)• T2(C2=9, period P1= 30, Priority PR2=1). With PR1 > PR2.Using a figure, show that these tasks are not schedulable.

Answered: 3. Consider the following periodic…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Q3. Recall that the clock cycle time in a non-pipelined processor is determined by the instruction (considering all stages) that takes the longest time to execute as no instruction can take more than one cycle. In a pipelined datapath, the cycle time is determined by the individual stage that takes the longest time as each cycle will execute exactly one stage. Now assume the distribution of time required by independent stages are as follows: The assignment must be completed by individual efforts. University guidelines will be followed to deal with issues related to academic integrity. R-Type Immediate arithmetic (addi) Load Store Branch Jump IF ID EX MEM WB 250 350 150 300 200 Now answer the following questions: a) What should be the clock cycle time for a non-pipelined and a pipelined processor? Provide justification for your answer. b) How long will it take to execute the lw instruction in a…
We consider a virtual memory design for a computer architecture. Suppose that the byte- addressed computer has 256 bytes pages, 16-bit virtual addresses, and 16-bit page table entries (PTE) (NUM 1 bits of one PTE are used for reference, valid checking, protection mechanism, etc.). The computer uses two-level hierarchical page tables. 1. How many virtual pages can be addressed by the architecture? 2. What is the maximal size of the physical memory that can be supported by the architec- ture? 3. We are now running a program which is using 300 bytes of memory currently. What is the smallest possible number of PTES to store the running program?
Please don’t post wrong answer
Consider the execution of a program that results in the execution of 8 million instructions on a 400-MHz processor. The program consists of four major types of instructions. The instruction mix and the CPI for each instruction type are given below. What is the program execution time in the second? Instruction Type Arithmetic and logic Load/store with cache hit Branch Floating-point arithmetic operation Execution Time: sec CPI 3 4 3 9 Instruction Mix (%) 60 20 12 8
Assume we have a cluster consisting of 4 identical computer nodes. Now, let’s say the program has been parallelized or partitioned for parallel execution on such a cluster. 25% of the program code must be executed sequentially, while the remaining 75% can be run parallel on the available nodes. Using Amdahl’s law, calculate the speed up if the cluster is upgraded to have 16 nodes compared to 4 nodes.
We will explore the impact of cache capacity on performance, focusing exclusively on the data cache and excluding instruction storage in the caches. Cache access time is directly linked to its capacity. For the sake of simplicity, let's assume that accessing the main memory takes 100ns, and in a specific program, 50% of instructions involve data access. Two distinct processors, denoted as P1 and P2, are engaged in executing this program. Each processor is equipped with its own L1 cache. L1 size L1 Miss Rate L1 Hit Time P1 64 KB 3.6% 1.26 ns P2 128 KB 3.1% 2.17ns (a) What is the AMAT for P1 and P2 assuming no other levels of cache?

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