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3 cards from this section. Quick, good the night before a test.
Define loop unrolling in your own words.
Think about how it changes the structure of the loop.
What is one benefit of loop unrolling?
Consider the time spent checking loop conditions.
What is the purpose of loop unrolling?
Think about the costs related to repeated operations.
Loop unrolling increases efficiency by reducing what?
Recall the benefits discussed in class.
Consider a loop that sums up numbers from 1 to 100. How would you illustrate the impact of loop unrolling in this scenario? Provide both the original and unrolled code snippets.
Consider how many iterations and checks are present in each version.
Evaluate the impact on performance of unrolling a loop executing a complex calculation (e.g., matrix multiplication) 10 times versus performing the operation in a traditional loop. Discuss the potential performance gain or loss.
Think about how fewer iterations could lead to multithreading efficiencies related to CPU utilization.
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