High Performance Computing MCQs with answers Page - 37

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Q. All-to-all personalized communication is performed independently in each row with clustered messages of size on a mesh.

  • (A) p
  • (B) m√p
  • (C) p√m
  • (D) m

A

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Q. If there is 4X4 Mesh Topology ______ message passing cycles will require complete all to all reduction.

  • (A) 4
  • (B) 6
  • (C) 8
  • (D) 16

A

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Q. Following issue(s) is/are the true about sorting techniques with parallel computing.

  • (A) large sequence is the issue
  • (B) where to store output sequence is the issue
  • (C) small sequence is the issue
  • (D) none of the above

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Q. Partitioning on series done after ______________

  • (A) local arrangement
  • (B) processess assignments
  • (C) global arrangement
  • (D) none of the above

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Q. In Parallel DFS processes has following roles.(Select multiple choices if applicable)

  • (A) donor
  • (B) active
  • (C) idle
  • (D) passive

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Q. Suppose there are 16 elements in a series then how many phases will be required to sort the series using parallel odd-even bubble sort?

  • (A) 8
  • (B) 4
  • (C) 5
  • (D) 15

A

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Q. Which are different sources of Overheads in Parallel Programs?

  • (A) interprocess interactions
  • (B) process idling
  • (C) all mentioned options
  • (D) excess computation

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Q. The ratio of the time taken to solve a problem on a parallel processors to the time required to solve the same problem on a single processor with p identical processing elements.

  • (A) the ratio of the time taken to solve a problem on a single processor to the time required to solve the same problem on a parallel computer with p identical processing elements.
  • (B) the ratio of the time taken to solve a problem on a single processor to the time required to solve the same problem on a parallel computer with p identical processing elements
  • (C) the ratio of number of multiple processors to size of data
  • (D) none of the above

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Q. CUDA helps do execute code in parallel mode using __________

  • (A) cpu
  • (B) gpu
  • (C) rom
  • (D) cash memory

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Q. In thread-function execution scenario thread is a ___________

  • (A) work
  • (B) worker
  • (C) task
  • (D) none of the above

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