1 Question 1Using a typical benchmark program, the following machine characteristics result:ProcessorClock FrequencyPerformanceCPU TimeA10 MHz4 MIPS10x secondsB208 MIPS5x secondsC30 MHz20 MIPSx secondsa. What is the relative (to C) size of the instruction count of machines A and B for the benchmark programrunning on the three machinesb. What are the CPI values for the three machines? (

Answered: Image /qna-images/answer/4899d68d-df01-42fe-b7d9-1433fada69bf.jpg

Question 1 Using a typical benchmark program, the following machine characteristics result: Processor Clock Frequency Performance CPU Time A 10 MHz 4 MIPS 10x seconds 20 8 MIPS 5x seconds 30 MHz 20 MIPS x seconds a. What is the relative (to C) size of the instruction count of machines A and B for the benchmark program running on the three machines b. What are the CPI values for the three machines? (

Question 1 Using a typical benchmark program, the following machine characteristics result: Processor Clock Frequency Performance CPU Time A 10 MHz 4 MIPS 10x seconds 20 8 MIPS 5x seconds 30 MHz 20 MIPS x seconds a. What is the relative (to C) size of the instruction count of machines A and B for the benchmark program running on the three machines b. What are the CPI values for the three machines? (

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter4: Processor Technology And Architecture

Section: Chapter Questions

Problem 2PE: If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the...

See similar textbooks

Similar questions

Question 3. A program is executed for 1 sec, on a processor with a clock cycle of 50 nsec and Throughput₁ = 10 MIPS. 1. How much is the CPI1, for the program? 2. Let us assume that, thanks to the introduction of a superscalar processor, the throughput of the program is optimized. In the new case, the 50% of the program instructions is executed with 3 parallel issues, while the fraction of remaining instructions (50%) is executed with one issue. a. How much is the Speedup from the case (1) to the case (2)? b. How much is the Throughput2 expressed in MIPS?
(a) A processor with a clock cycle time of 0.5 nanoseconds has a CPI of 4 for a particular program. What is the MIPS rating for this program? (b) A program is run on a system with two types of machine language instructions: type A instructions each require 3 clock cycles, while type B instructions each require 1 clock cycle. If 100 million type A instructions and 400 million type B instructions are executed, what is the CPI for this program? (c) For a particular program as run on a particular system, the CPU execution time is 1 second, the CPI is 4, and 750 million instructions were executed. What is the clock rate as measured in GHz?
Given : Instruction Type 1, 2, and 3 on Machine M CPI, = 1; CPI2 = 2; CPI3 = 3 Answer with just a number a. What is Average CPI of machine M running a program P that has 31% Type 1 instructions, 29% Type 2 instructions, and the remainder Type 3 instructions? Answer with just a number. b What is the execution time if program Phas 15000 instructions and machine M has a clock rate of 4 GHz? Answer in microseconds, with 3 decimal places of precision. Just a number no units. c. What is the speedup if M's clock rate is improved to 5 GHz. Just a number. d. What is the speedup from the original time calculated in part b if the clock rate is improved to 5 GHz and type 3 instructions are improved to 2 CPI? Just a number. Three decimal places of precision.
1. A program has 5 billion instructions is running with a CPI of 2 on a machine with a 2.5GHZ frequency, what is the execution time in seconds? 2. In a program 40% of the instructions have a CPI of 1, 25% have a CPI of 2, 20% have a CPI of 3 and 15% have a CPI of 5. Find the number of instructions per second if the machine is running at 900 MHz? 3. If 5 processors can run a program 2 times faster than a single processor, how much faster than a single processor can 10 processors run the same program? 4. If the base machine can run the 5 SPEC benchmarks in 1Os, 20s, 30s, 40s and 60s, whereas the target machine can run them in 5s, 1Os, 5s, 10s and 40s, respectively, what is the SPEC value for this scenario?
Question 2. A program is executed for 1 sec, on a processor with a clock cycle of 100 nsec and CPI₁ = 1,5. 1. How much is the Throughput, expressed in MIPS? 2. Let us assume that, given some optimization techniques, the 30% of the program instructions is executed with CPI = 1, while the fraction of remaining instructions (70%) is executed with the same CPI. a. How much is the Speedup from the case (1) to the case (2)? b. How much is the Throughput expressed in MIPS?
1. Suppose you are developing a processor with an execution time of 960 ns, CPIof 1.61, and clock rate of 3 GHz. If the execution time is reduced by an additional 20%without affecting to the CPI and with a clock rate of 4 GHz, determine the number ofinstructions. 2. Determine the clock rate if the CPI is increased by 20% and the CPU time by15% while the number of instructions is unchanged
2. Suppose we have two implementations of the same instruction set architecture. Computer A has a clock cycle time of 250 ps and a CPI of 2.0 for some program and computer B has a clock cycle time of 500 ps and a CPI of 1.2 for the same program. Which computer is faster for this program and by how much?
dont give existing answers surely downvote (a) A processor with a clock cycle time of 0.5 nanoseconds has a CPI of 4 for a particular program. What is the MIPS rating for this program? (b) A program is run on a system with two types of machine language instructions: type A instructions each require 3 clock cycles, while type B instructions each require 1 clock cycle. If 100 million type A instructions and 400 million type B instructions are executed, what is the CPI for this program? (c) For a particular program as run on a particular system, the CPU execution time is 1 second, the CPI is 4, and 750 million instructions were executed. What is the clock rate as measured in GHz?
2. Suppose we have two implementations of the same instruction set architecture. Computer A has a clock cycle time of 250 ps and a CPI of 2.0 for some program and computer B has a clock cycle time of 500 ps and a CPI of 1.2 for the same program. Which computer is faster for this program and by how much? ur foverit 10 go
8. For a single cycle processor, the instruction breakdown of a program is listed as following. add 20% addi 20% not 0% beq 25% Iw SW 25% 10% What is the percentage of instructions that will use the output of sign extend circuit-module? a. b. What is sign extend circuit-module doing when its output is not needed for current instruction?
Consider the two computers A and B with the clock cycle times 100 ps and 150 ps respectively for some program. The number of cycles per instruction (CPI) for A and B are 2.0 and 1.0 respectively for the same program. Which computer is faster and how much? Va A is 1.33 times faster than B b) B is 1.22 times faster than A c) A is 1.23 times faster thanB d) B is 1.33 times faster than A
4. A benchmark program is run on an 80 MHz processor. Based on the recorded measurements shown below, determine the effective CPI, MIPS rate, and execution time for this program. Instruction Type Instruction Count CPI Integer Arithmetic 30,000 1 Data Transfer 45,000 2 Floating Point 15,000 2 Control Transfer 10,000 2 Show your work for credit. Effective CPI: MIPS rate: Execution time