High Performance Computing MCQs with answers Page - 7

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Admin • 832.01K Points
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Q. Similar communication pattern to all-to-all broadcast except in the_____

  • (A) reverse order
  • (B) parallel order
  • (C) straight order
  • (D) vertical order

A

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Q. Group communication operations are built using which primitives?

  • (A) one to all
  • (B) all to all
  • (C) point to point
  • (D) none of these

A

Admin • 832.01K Points
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Q. ___ can be performed in an identical fashion by inverting the process.

  • (A) recursive doubling
  • (B) reduction
  • (C) broadcast
  • (D) none of these

A

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Q. Broadcast and reduction operations on a mesh is performed

  • (A) along the rows
  • (B) along the columns
  • (C) both a and b concurrently
  • (D) none of these

A

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Q. Cost Analysis on a ring is

  • (A) (ts + twm)(p - 1)
  • (B) (ts - twm)(p + 1)
  • (C) (tw + tsm)(p - 1)
  • (D) (tw - tsm)(p + 1)

A

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Q. Cost Analysis on a mesh is

  • (A) 2ts(sqrt(p) + 1) + twm(p - 1)
  • (B) 2tw(sqrt(p) + 1) + tsm(p - 1)
  • (C) 2tw(sqrt(p) - 1) + tsm(p - 1)
  • (D) 2ts(sqrt(p) - 1) + twm(p - 1)

A

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Q. Communication between two directly link nodes

  • (A) cut-through routing
  • (B) store-and-forward routing
  • (C) nearest neighbour communication
  • (D) none

A

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Q. All-to-one communication (reduction) is the dual of ______ broadcast.

  • (A) all-to-all
  • (B) one-to-all
  • (C) one-to-one
  • (D) all-to-one

A

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Q. Which is known as Reduction?

  • (A) all-to-one
  • (B) all-to-all
  • (C) one-to-one
  • (D) one-to-all

A

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Q. Which is known as Broadcast?

  • (A) one-to-one
  • (B) one-to-all
  • (C) all-to-all
  • (D) all-to-one

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