5 Questions
What is the purpose of flexible instruction scheduling in out-of-order processors?
The purpose of flexible instruction scheduling in out-of-order processors is to improve performance.
How is flexible instruction scheduling typically achieved in out-of-order processors?
Flexible instruction scheduling is typically achieved by using CAM-based Instruction Queues (IQs).
What is the drawback of using CAM-based Instruction Queues (IQs) for instruction scheduling?
The drawback of using CAM-based Instruction Queues (IQs) is the significant scheduling energy cost.
How does this work aim to reduce instruction scheduling energy?
This work aims to reduce instruction scheduling energy by reducing the depth and width of the IQ.
What approaches are used in this work to reduce instruction scheduling energy?
This work uses the classification of instructions based on readiness and criticality to bypass the IQ for certain instructions and delay instructions that won't harm performance.
Test your knowledge on delay and bypass techniques in out-of-order processors with this quiz. Learn about ready and criticality aware instruction scheduling and how it impacts performance. Challenge yourself with questions on CAM-based instruction scheduling and more.
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