Download GTU BE/B.Tech 2019 Winter 8th Sem Old 180702 Parallel Processing Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER-VIII (Old) EXAMINATION - WINTER 2019

Subject Code: 180702 Date: 21/11/2019

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Subject Name: Parallel Processing

Time: 02:30 PM TO 05:00 PM Total Marks: 70

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Instructions:

1. Attempt all questions.



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2. Make suitable assumptions wherever necessary.


3. Figures to the right indicate full marks.

Q.1 (a) Explain pipelining and super scalar execution with suitable examples. 07

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(b) What is meaning of memory latency? How memory latency can be improved by the cache ? 07

Q.2 (a) Explain Recursive and Data Decomposition Techniques in detail. 07

(b) Discuss various Parallel Algorithm models. 07

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OR

(b) Explain One-to-All Broadcast and All-to-One Reductions operations. 07

Q.3 (a) Explain the effect of granularity on performance for addition of n numbers using p processing element. 07

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(b) What is isoeffiency function ? derive equation of isoeffiency function. 07

OR

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Q.3 (a) Explain Dijkstra's Algorithm for single - source Sortest paths. 07

(b) Explain the following function of MPI: MPI Send (), MPI Comm_size (), MPI Comm_rank (). 07

Q.4 (a) Discuss buffered non-blocking and non-buffered non-blocking send/receive message passing operations with neat sketches: 07

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(b) Explain Odd-Even Transposition sort algorithm with example. 07

OR

Q.4 (a) What are Threads? Draw and explain-Logical memory model of thread. 07

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(b) Write a note on Synchronization primitives in POSIX. 07

Q.5 (a) Explain Canon's Algorithm for Matrix-Matrix Multiplication. 07

(b) Explain bitonic sort with example. 07

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OR

Q.5 (a) Discuss Prim's Algorithm for minimum spanning tree. 07

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(b) Explain bubble sort with example. 07