Assume that a processor has the following CPIs, arithmetic ops(1), load/store(12), branch instructions(5). Consider a program...
Assume that a processor has the following CPIs, arithmetic ops(1), load/store(12), branch instructions(5). Consider a program that requires 10^6 arithmetic ops, .5 ∗ 10^6 load/stores and .3 ∗ 10^6 branch instructions. Each processors has a clock frequency of 2Ghz. Assume that the program is parallelized to run over multiple cores, the number of arithmetic and load/store instructions is divided by .6*p, where p is the number of processors. The number of branch instructions remains the same in each processor. (2*5=10)
>>> If the CPI of the arithmetic instructions was doubled what would be the impact on the execution time of the program on 1,2,4 or 8 processors <<<
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Assume that a processor has the following CPIs, arithmetic
ops(1), load/store(12), branch instructions(5). Consider a program...
Assume for arithmetic, load/store, and branch instructions, a processor core has CPIs of 1,12 and 5...
Assume for arithmetic, load/store, and branch instructions, a processor core has CPIs of 1,12 and 5 respectively. Also assume that on a single processor core a program requires the execution of 2.56E9 arithmetic instructions, 1.28E9 load/store instructions, and 256.0E6 branch instructions. Assume all processor cores run at 2 GigaHertz. Assume that, as the program is parallelized to run over multiple processor cores, the number of load/store instructions per processor core is divided by .5 times p for all number of...
Assume for arithmetic, load/store, and branch instructions, a processor has CPls of 3, 15, and 7, respectively. Also as...
Assume for arithmetic, load/store, and branch instructions, a processor has CPls of 3, 15, and 7, respectively. Also assume that on a single processor a program requires the execution of 3.12E9 arithmetic instructions, 1.75E9 load/store instructions, and 512Million branch instructions. Assume that each processor has a 2.5GHz clock frequency. Assume that, as the program is parallelized to run over multiple cores, the number of arithmetic and load/store instructions per processor divided by 0.8xp ( where p is the number of...
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...
Given a processor that runs at 1GHz with the following: Instruction-------------- Frequency --------------Cycles Load & store ----------------25% --------------------10 arithmetic instructions----...
Given a processor that runs at 1GHz with the following: Instruction-------------- Frequency --------------Cycles Load & store ----------------25% --------------------10 arithmetic instructions------ 65% --------------------6 branch instructions -----------10%-------------------- 4 1) Calculate the CPI for the above. 2) Suppose the amount of registers are doubled, such that clock cycle time increases by 40%. What is the new clock speed (in GHz)? 3) Assume only the load & stores instructions are speed up by 5 times and their frequency is increased to 50% (Arithmetic instructions...
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...
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 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
A program that executes 12.3x107 instructions is run on a pipelined processor. The table below provides...
A program that executes 12.3x107 instructions is run on a pipelined processor. The table below provides the percentage of executed instructions for each type of instruction. Instruction Executed P ipeline CPU type instructions (%) w/o hazards ALU 29.4 Load 29.7 Store 14.7 Branch 26.2 2 (w/o prediction) 27% of the load instructions are followed by instructions that need the data being loaded, 47% of the branches are actually.not taken, please assume not taken prediction. a) Please determine the overall cycles...
I need help solving both the questions below and it is 109 instructions. 1. On machine...
I need help solving both the questions below and it is 109 instructions. 1. On machine X with a 4GHz CPU, there is a mix of four types of instruction: Operation Type Frequency CPI Arithmetic 50% 1 Load 20% 5 Store 10% 3 Branch 20% 2 Suppose your program has 109 instructions, what is the total execution time? 2. On machine Y with a 1GHz CPU, a benchmark program consists of the following four types of instructions: Instruction Type Number...
Assume for arithmetic, load/store, and branch instructions, a processor has CPls of 3, 15, and 7, respectively. Also assume that on a single processor a program requires the execution of 3.12E9 arithmetic instructions, 1.75E9 load/store instructions, and 512Million branch instructions. Assume that each processor has a 2.5GHz clock frequency. Assume that, as the program is parallelized to run over multiple cores, the number of arithmetic and load/store instructions per processor divided by 0.8xp ( where p is the number of...
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...
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?
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
A program that executes 12.3x107 instructions is run on a pipelined processor. The table below provides the percentage of executed instructions for each type of instruction. Instruction Executed P ipeline CPU type instructions (%) w/o hazards ALU 29.4 Load 29.7 Store 14.7 Branch 26.2 2 (w/o prediction) 27% of the load instructions are followed by instructions that need the data being loaded, 47% of the branches are actually.not taken, please assume not taken prediction. a) Please determine the overall cycles...
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