Given an array A of n numbers for which we want to compute the sum. We have 8 Processors namely PE#0, PE#1, PE#2, P#3, P

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Given an array A of n numbers for which we want to compute the sum.
We have 8 Processors namely PE#0, PE#1, PE#2, P#3, P#4, P#5, P#6 and P#7
Draw a block diagram (as demonstrated in the lecture) to show the steps.
Refer to Lecture 3 for further details and background.
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Given an array A of n numbers for which we want to compute the sum. We have 8 Processors namely PE#0, PE#1, PE#2, P#3, P#4, P#5, P#6 and P#7 Compute the Parallel Run Time with 8 processors. Compute the Speed-up Ratio. Compute Efficiency. How much time is spent on computation? How much time is spent on communication? Assumptions: •Computation: Each PE can add two numbers stored in its local memory in one time unit. •Communication: A PE can send data from its local memory to the local memory of any other PE in three time units (independent of the size of the data) •Input and output: At the beginning of the program the whole input array A is stored in PE #0. At the end the result should be gathered in PE #0. •Synchronization: All PEs operate in lock-step manner; i.e. they can either compute, communicate, or be idle. Thus, it is not possible to overlap computation and communication on this architecture. Draw a block diagram (as demonstrated in the lecture) to show the steps. n Refer to Lecture 3 for further details and background.