Consider a processor with a 1.2GHz clock rate and a CPI of 1.7. If a program...
- Consider a processor with a 1.2GHz clock rate and a CPI of 1.7. If a program runs in 10 seconds, how many clock cycles were required? How many instructions executed?
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Consider a processor with a 1.2GHz clock rate and a CPI of 1.7.
If a program...
5. If a processor clock ticks 4 billion times in a second and has a frequency...
5. If a processor clock ticks 4 billion times in a second and has a frequency of 1.5 GHz, with each clock tick, one or more instructions may complete, if a program runs on 3 GHz processor for 7 seconds, how many clock cycles did it run for? (10 points) If a program runs for 2 billion clock cycles on a 1.5 GHz processor, what is the execution time in seconds? (10 points)
Suppose this program is executed in a computer in which the clock rate for the processor is 1.6 MHz
Figure 1: each block gives the number of different types of instructionsConsider a program with the execution flow shown in Figure 1. There are in total 3 types of instructions used in this program: Type 1 (in-processor calculation): execution rate as 1 per clock cycle; Type 2 (memory access): each instruction takes 2 clock cycles for execution; Type 3 (loop control): each instruction takes 2 clock cycles for jump into the loop block or 3 clock cycles for jump to the block after...
Q.4 [10 points] A processor is designed such that the clock of the processor runs at...
Q.4 [10 points] A processor is designed such that the clock of the processor runs at 2.0 GHz. The following table gives the instruction frequencies for the benchmark and how many cycles each instruction takes. Instruction Type Frequency Cycles Load & Stores 25% 8 cycles Arithmetic Instructions 60% 6 cycles Branch instructions 15% 4 cycles (a) (2 points) Calculate the CPI for the above benchmark. (b) (4 points) Suppose the amount of registers are doubled, such that clock cycle time...
Problem 1 Assume that a processor with a clock rate of 1 GHz clock runs a...
Problem 1 Assume that a processor with a clock rate of 1 GHz clock runs a benchmark program w mix of instructions given in the table below. Instruction class CPI FP INT Load/Store (L/S) Branch Instruction count 50 x 106 110 x 106 50 x 106 10 x 106 By how much must the CPI of L/S instructions be improved if the program is to run two times faster?
A processor is designed such that the clock of the processor runs at 1 GHz. The following table gives the instruction frequencies for the benchmark and how many cycles each instruction takes. Inst...
A processor is designed such that the clock of the processor runs at 1 GHz. The following table gives the instruction frequencies for the benchmark and how many cycles each instruction takes. Instruction Type Frequency Cycles Load & Stores 25% 10 cycles Arithmetic Instructions 65% 6 cycles Branch instructions 10% 4 cycles (a) Calculate the CPI for the above benchmark. (b) Suppose the amount of registers are doubled, such that clock cycle time increases by 40%. What is the new...
A program (or a program task) takes 150 million instructions to execute on a processor running...
A program (or a program task) takes 150 million instructions to execute on a processor running at 2.7 GHz. Suppose that 50% of the instructions execute in 3 clock cycles, 30% execute in 4 clock cycles, and 20% execute in 5 clock cycles. What is the execution time for the program or task? Suppose the processor in the previous question part is redesigned so that all instructions that initially executed in 5 cycles and all instructions executed in 4 cycles...
Consider three different processors Pi, P2, and P3 executing the same instruction set with the clock...
Consider three different processors Pi, P2, and P3 executing the same instruction set with the clock rates and CPIS given in the following table 1. Clock Rate Processor CPI 3.4 GHz 1.2 P2 Рэ 2.6 GHz 1.0 2.2 4 GHz Which processor has the highest performance expressed in instructions per second? If the processors each execute a program in 15 seconds, find the number of cycles and the mumber of instructions We are trying to reduce the time by 30%...
c. Performance: Company A's processor and Company B's processor are benchmarked on the same program. The...
c. Performance: Company A's processor and Company B's processor are benchmarked on the same program. The CPI of the component instructions that are executed in the program are shown above for each processor. Additionally, the number of instructions of each type is provided. Company A 5 Branch CPI Load/Store CPI Arithmetic CPI 7 1 Company B 4 Branch CPI Load/Store CPI Arithmetic CPI 9 1 Program Instruction Count Branch Load/Store Arithmetic CPL 1.2x109 1.67x1010 1.5x1011 i. Assume Company A has...
A program executes 10 billion instructions. It executes on an Intel processor that has an average...
A program executes 10 billion instructions. It executes on an Intel processor that has an average CPI of 1.5 and a clock frequency of 2 GHz. How many seconds does the program take to execute? What is the cycle time of this Intel processor? Assume that an AMD processor takes 6 seconds to execute the program. What is the speedup provided by the Intel processor, relative to the AMD processor
Consider three different processors P1, P2 and P3 executing the same instruction set. P3 has a...
Consider three different processors P1, P2 and P3 executing the same instruction set. P3 has a 4 GHz clock rate and a CPI of 2.5. P2 has 3.5 GHz clock rate and a CPI of 2.0. P1 has a 5.0 GHz clock rate and has a CPI of 3.3. a. Which processor has the highest performance expressed in instructions per second? b. If the processor each execute a program in 5 seconds, find the number of cycles and the number...
Q.4 [10 points] A processor is designed such that the clock of the processor runs at 2.0 GHz. The following table gives the instruction frequencies for the benchmark and how many cycles each instruction takes. Instruction Type Frequency Cycles Load & Stores 25% 8 cycles Arithmetic Instructions 60% 6 cycles Branch instructions 15% 4 cycles (a) (2 points) Calculate the CPI for the above benchmark. (b) (4 points) Suppose the amount of registers are doubled, such that clock cycle time...
Problem 1 Assume that a processor with a clock rate of 1 GHz clock runs a benchmark program w mix of instructions given in the table below. Instruction class CPI FP INT Load/Store (L/S) Branch Instruction count 50 x 106 110 x 106 50 x 106 10 x 106 By how much must the CPI of L/S instructions be improved if the program is to run two times faster?
Consider three different processors Pi, P2, and P3 executing the same instruction set with the clock rates and CPIS given in the following table 1. Clock Rate Processor CPI 3.4 GHz 1.2 P2 Рэ 2.6 GHz 1.0 2.2 4 GHz Which processor has the highest performance expressed in instructions per second? If the processors each execute a program in 15 seconds, find the number of cycles and the mumber of instructions We are trying to reduce the time by 30%...
c. Performance: Company A's processor and Company B's processor are benchmarked on the same program. The CPI of the component instructions that are executed in the program are shown above for each processor. Additionally, the number of instructions of each type is provided. Company A 5 Branch CPI Load/Store CPI Arithmetic CPI 7 1 Company B 4 Branch CPI Load/Store CPI Arithmetic CPI 9 1 Program Instruction Count Branch Load/Store Arithmetic CPL 1.2x109 1.67x1010 1.5x1011 i. Assume Company A has...
A program executes 10 billion instructions. It executes on an Intel processor that has an average CPI of 1.5 and a clock frequency of 2 GHz. How many seconds does the program take to execute? What is the cycle time of this Intel processor? Assume that an AMD processor takes 6 seconds to execute the program. What is the speedup provided by the Intel processor, relative to the AMD processor
Consider three different processors P1, P2 and P3 executing the same instruction set. P3 has a 4 GHz clock rate and a CPI of 2.5. P2 has 3.5 GHz clock rate and a CPI of 2.0. P1 has a 5.0 GHz clock rate and has a CPI of 3.3. a. Which processor has the highest performance expressed in instructions per second? b. If the processor each execute a program in 5 seconds, find the number of cycles and the number...
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