3. The tables below shows the instruction type breakdown of two applications A a

Question

3. The tables below shows the instruction type breakdown of two applications A and B executed on 1, 2, 4, or 8 processors. Using this data, you will be exploring the speed- up of applications on parallel processors. a. (5 pts) The table above shows the number of instructions required per processor to complete a program on a multiprocessor with 1, 2, 4, and 8 processors. For each of the configurations of applications A and B: What is the total number of instructions executed per processor? What is the aggregate number of instructions executed across all processors?

Explanation / Answer

Application A

Application B

Aggreagate no. of instructions executed across all pocessors for application A = (4416+2208+1104+552) /4 = 2070

Aggreagate no. of instructions executed across all pocessors for application B = (4096+2278+1464+1132) /4 = 2242.5

Processor Total no. of instructions executed per processor 1 2800+1360+256 = 4416 2 1400+680+128 = 2208 4 700+340+64 = 1104 8 350+170+32 = 552

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