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? (
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- 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?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?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. 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 unchanged8. 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?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
- Just need answerExample#1: Consider computing the overall PI for a machine A for which the following performance measures were recorded when executing a set of benchmark programs. Assume that the clock rate of the CPU is 200 MHz. No. of cycles per instruction Instruction Percentage of category occurrence ALU 38 Load & store 15 3ote: sclon Sundwame OT J01n0 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 rnd B are 2.0 and 1.0 respectively for the same program. Which computer is faster and how much? a) A is 1.33 times faster than B b) Bis 1.22 times faste than A c) Ais 1.23 times faster than B d) Bis 1.33 times faster than A Answer Submit
- Consider computing the overall MIPS for a machine A for which the following performance measures were recorded when executing a set of benchmark programs. Assume that the clock rate of the CPU is 800 MHz Instruction category ALU LOAD from Memory STORE to Memory Branch Call subroutine Percentage of occurrence 35 20 30 5 10 CPI=8.3,MIPS=1.532 CPI=38.1,MIPS-100.5 CPI 5.1, MIPS=196.26 CPI=3.8,MIPS=11.52 CPI-3.8,MIPS=10.526 No. of cycles per instruction 2 4 5 8 41. We wish to compare the performance of two different machines: M1 and M2. The following measurements have been made on these machines: Program Time on M1 Time on M2 1 10 seconds 5 seconds 2 3 seconds 4 seconds Which machine is faster for each program, and by how much? 2. For M1 and M2 of problem 1, the following additional measurements are made:. Find the instruction execution rate (instructions per second) for each machine when running program 1. Program Instructions executed on M1 Instructions executed on M2 1 200 x 106 160 x 106 3. For M1 and M2 of problem 1, if the clock rates are 200 MHz and 300 MHz, respectively, find the CPI for program 1 on both machines using the data provided in problems 1 and 2. 4. You are going to enhance a machine, and there are two possible improvements: either make multiply instructions run four times faster than before or make memory access instructions run two times faster than before. You…Using a typical benchmark program, the following machine characteristics result: Clock Frequency Performance Processor CPU Time A 20 MHz 8x seconds 4 MIPS 8 MIPS 20 MIPS 30 4x seconds C 40 MHz 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?