High Performance Computing MCQs with answers Page - 39

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Q. Which of these is not a source of overhead in parallel computing?

  • (A) non-uniform load distribution
  • (B) less local memory requirement in distributed computing
  • (C) synchronization among threads in shared memory computing
  • (D) none of the above

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Q. Systems that do not have parallel processing capabilities are?

  • (A) sisd
  • (B) simd
  • (C) mimd
  • (D) all of the above

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Q. Parallel processing may occur?

  • (A) in the instruction stream
  • (B) in the data stream
  • (C) both[a] and [b]
  • (D) none of the above

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Q. To which class of systems does the von Neumann computer belong?

  • (A) simd (single instruction multiple data)
  • (B) mimd (multiple instruction multiple data)
  • (C) misd (multiple instruction single data)
  • (D) sisd (single instruction single data)

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Q. Fine-grain threading is considered as a ______ threading?

  • (A) instruction-level
  • (B) loop level
  • (C) task-level
  • (D) function-level

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Q. The___ time collectively spent by all the processing elements Tall = p TP?

  • (A) total
  • (B) average
  • (C) mean
  • (D) sum

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Q. The dual of one-to-all broadcast is ?

  • (A) all-to-one reduction
  • (B) all-to-one receiver
  • (C) all-to-one sum
  • (D) none of above

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Q. A hypercube has?

  • (A) 2d nodes
  • (B) 2d nodes
  • (C) 2n nodes
  • (D) n nodes

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Q. The Prefix Sum Operation can be implemented using the ?

  • (A) all-to-all broadcast kernel.
  • (B) all-to-one broadcast kernel.
  • (C) one-to-all broadcast kernel
  • (D) scatter kernel

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Q. In the scatter operation ?

  • (A) single node send a unique message of size m to every other node
  • (B) single node send a same message of size m to every other node
  • (C) single node send a unique message of size m to next node
  • (D) none of above

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