Cache Memory Impact on Processor Performance
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Questions and Answers

What is the latency of the DRAM connected to the processor?

  • 16 µs
  • 100 ns (correct)
  • 1 ns
  • 200 µs
  • How many instructions can the processor execute per cycle?

  • Eight
  • One
  • Two
  • Four (correct)
  • How large is the cache introduced in the second scenario?

  • 128 KB
  • 16 KB
  • 32 KB (correct)
  • 64 KB
  • What is the processor clock speed?

    <p>1 GHz</p> Signup and view all the answers

    What is the execution time required to multiply the two 32x32 matrices?

    <p>16 µs</p> Signup and view all the answers

    How many cycles does it take to perform 64K operations?

    <p>16K cycles</p> Signup and view all the answers

    What is the total computation time required including load/store operations?

    <p>216 µs</p> Signup and view all the answers

    What is the latency of the cache in the new setup?

    <p>1 ns</p> Signup and view all the answers

    What is the peak computation rate achieved?

    <p>296.29 FLOPS</p> Signup and view all the answers

    How long does it take to fetch the two matrices into the cache?

    <p>200 µs</p> Signup and view all the answers

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