Practice Power Efficiency in Multicore Systems - 8.9 | 8. Multicore | Computer Architecture
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8.9 - Power Efficiency in Multicore Systems

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does DVFS stand for?

πŸ’‘ Hint: Think about how processors manage power based on workloads.

Question 2

Easy

Name one benefit of powering down idle cores.

πŸ’‘ Hint: Consider how energy usage can be minimized.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does DVFS stand for?

  • Dynamic Voltage and Frequency Scaling
  • Digital Voltage Frequency Switch
  • Dual Voltage Frequency Scaling

πŸ’‘ Hint: Look for the term that involves voltage and frequency adjustments.

Question 2

True or False: Idle cores can be set to low-power states to reduce energy usage.

  • True
  • False

πŸ’‘ Hint: Consider the function of cores when they are not actively processing data.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a multicore processor with four cores running under different workloads, describe how to implement DVFS effectively to optimize power usage.

πŸ’‘ Hint: Consider how each core can manage its resources under varying demands.

Question 2

Propose a hypothetical scenario where idle cores are left powered on during a heavy computational task. Discuss the implications of this decision on overall power efficiency.

πŸ’‘ Hint: Reflect on the energy costs associated with leaving cores active while others are busy.

Challenge and get performance evaluation