Lecture 22

Learning objectives

After this class, you should be able to:

1. Choose placement of OpenMP directive to reduce fork-join overhead.
2. Use the schedule clause to balance the load during work-sharing of for loops.

Reading assignment

1. Section 5.6 - 5.7.
2. Lecture 22 slides.
3. Lecture 22 example code.

Exercises and review questions

• Questions on current lecture's material
  1. Compare the performance of the two example odd-even transposition sort codes. What is the reason for any difference in performance?
  2. Change the schedule in the sin_sum code and identify a good schedule.

• Questions on next lecture's material
  1. None.