High Performance Computing MCQs with answers Page - 8

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

  • (A) all-to-all reduction
  • (B) all-to-one reduction
  • (C) both
  • (D) none

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Q. All-to-all broadcast algorithm for the 2D mesh is based on the

  • (A) linear array algorithm
  • (B) ring algorithm
  • (C) both
  • (D) none

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Q. In the first phase of 2D Mesh All to All, the message size is ___

  • (A) p
  • (B) m*sqrt(p)
  • (C) m
  • (D) p*sqrt(m)

A

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Q. every node has to know when to communicate that is

  • (A) call the procedure
  • (B) call for broadcast
  • (C) call for communication
  • (D) call the congestion

A

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Q. the procedure is disturbed and require only point-to-point _______

  • (A) synchronization
  • (B) communication
  • (C) both
  • (D) none

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Q. Renaming relative to the source is _____ the source.

  • (A) xor
  • (B) xnor
  • (C) and
  • (D) nand

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Q. Task dependency graph is ------------------

  • (A) directed
  • (B) undirected
  • (C) directed acyclic
  • (D) undirected acyclic

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Q. In task dependency graph longest directed path between any pair of start and finish node is called as --------------

  • (A) total work
  • (B) critical path
  • (C) task path
  • (D) task length

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Q. which of the following is not a granularity type

  • (A) course grain
  • (B) large grain
  • (C) medium grain
  • (D) fine grain

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Q. which of the following is a an example of data decomposition

  • (A) matrix multiplication
  • (B) merge sort
  • (C) quick sort
  • (D) 15 puzzal

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