High performance computing mcq sppu Unit 3

high performance computing mcq sppu

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High performance computing mcq sppu

High performance computing multiple choice questions

1. The primary and essential mechanism to support the sparse matrices is

  1. Gather-scatter operations
  2. Gather operations
  3. Scatter operations
  4. Gather-scatter technique
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Gather-scatter operations

2. In the gather operation, a single node collects a ———

  1. Unique message from each node
  2. Unique message from only one node
  3. Different message from each node
  4. None of Above
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Unique message from each node

3. In the scatter operation, a single node sends a ————

  1. Unique message of size m to every other node
  2. Different message of size m to every other node
  3. Different message of different size m to every other node
  4. All of Above
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Unique message of size m to every other node

4. Is All to all Bradcasting is same as All to all personalized communication?

  1. Yes
  2. No
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No

5. Is scatter operation is same as Broadcast?

  1. Yes
  2. No

No

6. All-to-all personalized communication is also known as

  1. Total Exchange
  2. Personal Message
  3. Scatter
  4. Gather
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Total Exchange

7. By which way, scatter operation is different than broadcast

  1. Message size
  2. Number of nodes
  3. Same
  4. None of above
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Message size

8. The gather operation is exactly the _ of the scatter operation

  1. Inverse
  2. Reverse
  3. Multiple
  4. Same

Inverse

9. The gather operation is exactly the inverse of the_

  1. Scatter operation
  2. Broadcast operation
  3. Prefix Sum
  4. Reduction operation
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Scatter operation

hpc mcq questions

10. The dual of one-to-all broadcast is all-to-one reduction. True or False?

  1. TRUE
  2. FALSE

TRUE

11. A binary tree in which processors are (logically) at the leaves and internal nodes are routing nodes.

  1. TRUE
  2. FALSE
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TRUE

12. Group communication operations are built using point-to-point messaging primitives

  1. TRUE
  2. FALSE
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TRUE

13. Communicating a message of size m over an uncongested network takes time ts + tmw

  1. True
  2. False

True

14. Parallel programs: Which speedup could be achieved according to Amdahl´s law for infinite number of processors if 5% of a program is sequential and the remaining part is ideally parallel?

  1. Infinite speedup
  2. 5
  3. 20
  4. None of above
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20

15. Shift register that performs a circular shift is called

  1. Invalid Counter
  2. Valid Counter
  3. Ring
  4. Undefined
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Ring

16. 8 bit information can be stored in

  1. 2 Registers
  2. 4 Registers
  3. 6 Registers
  4. 8 Registers

8 Registers

17. The result of prefix expression * / b + – d a c d, where a = 3, b = 6, c = 1, d = 5 is

  1. 0
  2. 5
  3. 10
  4. 8
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10

18. The height of a binary tree is the maximum number of edges in any root to leaf path. The maximum number of nodes in a binary tree of height h is?

  1. 2h – 1
  2. 2h – 1 – 1
  3. 2h + 1 – 1
  4. 2 * (h+1)

2h + 1 – 1

19. A hypercube has_

  1. 2^d nodes
  2. 2d nodes
  3. 2n Nodes
  4. N Nodes
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2^d nodes

Parallel computing mcq with answers

20. The Prefix Sum Operation can be implemented using the_

  1. All-to-all broadcast kernel
  2. All-to-one broadcast kernel
  3. One-to-all broadcast Kernel
  4. Scatter Kernel

All-to-all broadcast kernel

21.In the scatter operation_

  1. Single node send a unique message of size m to every other node
  2. Single node send a same message of size m to every other node
  3. Single node send a unique message of size m to next node
  4. None of Above

Single node send a unique message of size m to every other node

22. In All-to-All Personalized Communication Each node has a distinct message of size m for every other node

  1. True
  2. False
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True

23. A binary tree in which processors are (logically) at the leaves and internal nodes are
routing nodes.

  1. True
  2. False
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True

24. In All-to-All Broadcast each processor is thesource as well as destination.

  1. True
  2. False
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True

Data analytics mcqs with answers for SPPU

High performance computing mcq unit 2

High performance computing mcq unit 1

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