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Multicore Architecture

The document outlines the examination structure for a course on Multicore Architecture and Programming, scheduled for April-May 2025. It includes questions on topics such as cache coherence, parallel computing concepts, OpenMP and MPI constructs, and performance considerations. The exam is divided into three parts, with varying question formats and marks allocation.

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sobipunitha
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33 views2 pages

Multicore Architecture

The document outlines the examination structure for a course on Multicore Architecture and Programming, scheduled for April-May 2025. It includes questions on topics such as cache coherence, parallel computing concepts, OpenMP and MPI constructs, and performance considerations. The exam is divided into three parts, with varying question formats and marks allocation.

Uploaded by

sobipunitha
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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An Autonomoee Institution

ME DEGREE
EXAMINATIONS,APRILMAY 2025
24rCS20l MULTICORE ARCHITECTURE ANDPROGRAMMING
Second Semester

Duration: 3Hour Max Marks 100

Part A
Answer AIIQuestions
10X2-20
1,What is cache coherence in a multicore system?

2. Definc SIMD and MIMD vith examples.

3.What is scalability in parallel computing?

4. Differentiate between mutex and semaphore.

5, List any two OpenMP work-sharing constructs.


6.How is data parallelism handled in OpenMP?
Differentiate bctwccn point-to-point and collcctive
7.
communication

8 Mention any wo MPl performance considerations.

9. Name two case studies for parallel programming applications.

10. List differences between OpenMP and MPI implementations

Part B
Answer All Questions
5X13-65

11. (a) Explainin detail the transition from single-core to multi-core architectureswith examples.
OR
(b)Explain symmetric and distributed shared mernory architectures. Compare both.

12. (a) Explain data race conditions and propose an approach to detect and eliminate them in a complex
multi-threaded environment.

OR
(bYExplain thread communication mechanisms like message queues, pipes, and signals.

13. a) Discuss how functional and loop-levelparallelismare implemented in OpenMP.


OR
(b)Discuss the OpenMP execution model and memory model. Analyze how OpenMP handles thread

creation,data scoping, and synchronization under a shared memory system.


14. (a) Write an MPl program for computing thc sum of an aray using point-to-point communicationand
Cxplain.

OR
(b) Discuss MPI communication mechanismsusing suitable send and receive functions.

15. (a) Compare and contrast tree-based search algorithms using


OpenMP and MPL. Include design
considerations, performance profiling,and communication overhead.
OR
(b)Explain the design and implementation of an n-body solver using OpenMP and MP
Part C
Answer AllQuestions
1X15=15

16. (a) Choosea real-world case study of your own. Design both OpenMP and MPI implementations, then
compare based on scalability, code complexity, and performance.
OR
(b) Design a hybrid parallel solution with MPI and OpenMP for the computational problem matrix
factorization .Provide system architecture, code structure,and performance analysis.

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