Question No. 5 A sample serial program to be parallelized is shown below, assume a decomposition such that each execution of Line 7 is a task. Draw a task- dependency graph and a task-interaction graph. 1. procedure FFT_like_pattern (A, n) begin 2. 3. m := log2 n; for j := 0 to m 1 do k := 23; for i := 0 to n - 1 do A[i] := A[i] + A[i XOR 2]; 4. 5. 6. 7. 8. endfor 9. end FFT like_pattern LO

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Question No. 5 A sample serial program to be parallelized is shown below, assume
a decomposition such that each execution of Line 7 is a task. Draw a task-
dependency graph and a task-interaction graph.
procedure FFT_like_pattern (A, n)
begin
1.
2.
3.
m := log2 n;
for j := 0 to m - 1 do
23;
4.
5.
k :=
6.
for i := 0 to n - 1 do
7.
A[i]
A[i] + A[i XOR 21] ;
8.
endfor
9.
end FFT like_pattern
Transcribed Image Text:Question No. 5 A sample serial program to be parallelized is shown below, assume a decomposition such that each execution of Line 7 is a task. Draw a task- dependency graph and a task-interaction graph. procedure FFT_like_pattern (A, n) begin 1. 2. 3. m := log2 n; for j := 0 to m - 1 do 23; 4. 5. k := 6. for i := 0 to n - 1 do 7. A[i] A[i] + A[i XOR 21] ; 8. endfor 9. end FFT like_pattern
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