High Performance Computing MCQs with answers Page - 18

Here, you will find a collection of MCQ questions on High Performance Computing. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. In All to All on Hypercube, The size of the message to be transmitted at the next step is ____ by concatenating the received message with their current data

  • (A) doubled
  • (B) tripled
  • (C) halfed
  • (D) no change

A

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Q. The all-to-all broadcast on Hypercube needs ____ steps

  • (A) p
  • (B) sqrt(p) - 1
  • (C) log p
  • (D) none

A

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Q. One-to-All Personalized Communication operation is commonly called ___

  • (A) gather operation
  • (B) concatenation
  • (C) scatter operation
  • (D) none

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Q. The dual of the scatter operation is the

  • (A) concatenation
  • (B) gather operation
  • (C) both
  • (D) none

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Q. In Scatter Operation on Hypercube, on each step, the size of the messages communicated is ____

  • (A) tripled
  • (B) halved
  • (C) doubled
  • (D) no change

A

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Q. Which is also called "Total Exchange" ?

  • (A) all-to-all broadcast
  • (B) all-to-all personalized communication
  • (C) all-to-one reduction
  • (D) none

A

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Q. All-to-all personalized communication can be used in ____

  • (A) fourier transform
  • (B) matrix transpose
  • (C) sample sort
  • (D) all of the above

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Q. In collective communication operations, collective means

  • (A) involve group of processors
  • (B) involve group of algorithms
  • (C) involve group of variables
  • (D) none of these

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Q. efficiency of data parallel algorithm depends on the

  • (A) efficient implementation of the algorithm
  • (B) efficient implementation of the operation
  • (C) both
  • (D) none

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Q. All processes participate in a single ______ interaction operation.

  • (A) global
  • (B) local
  • (C) wide
  • (D) variable

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