Energy and performance optimization Flashcards

1
Q

Execution time depends on the sum of ___ and ___

A

Program path and instruction timing

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2
Q

T/F: comparison operations are faster than math operations

A

True

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3
Q

T/F: smaller caches are better for energy consumption

A

False. Caches have an optimal size.

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4
Q

How can energy use be measured?

A

Measure current

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5
Q

Energy can be optimized by:

A
  1. Using registers efficiently
  2. Eliminating cache conflicts
  3. Eliminating pipeline stalls
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