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Use any C program without using PTHREADS calculate time taken to execute program. Write same program of question...

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Question

Programming

Use any C program withoutusing PTHREADS calculate time taken to executeprogram.

  1. Write same program of question 1 using PTHREADS.Calculate time taken to execute program.(1 mark)
  2. Identify data races in above program and explain whythis situation occurred with an example (1 mark)
  3. Rewrite the code to avoid data races should use any ofthe THREE techniques.(1.5 marks)

please I need the c code..

critical section

mutex solution

semaphore functions

Barriers

Read-Write Locks

Run program using 1, 2, 4, and8 threads Comparison study (1.5 marks)

Number of threads

Implementation

1

2

4

8

critical section

mutex solution

semaphore functions

Barriers

Read-Write Locks

  1. Rewrite the program using OPENMP. Run on 4 processors.Calculate time taken.
  2. At the end calculate speed up.

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