International Journal of Computer Science & Network Security

International Journal of Computer Science & Network Security (국제컴퓨터통신보호논문지학회)
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Formal Analysis of Distributed Shared Memory Algorithms

  • Muhammad Atif (Department of Computer Science, The University of Lahore) ;
  • Muhammad Adnan Hashmi (Department of Computer Information Science, Higher Colleges of Technology) ;
  • Mudassar Naseer (Department of Computer Science, The University of Lahore) ;
  • Ahmad Salman Khan (Department of Software Engineering, The University of Lahore)
  • Received : 2024.04.05
  • Published : 2024.04.30
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Abstract

The memory coherence problem occurs while mapping shared virtual memory in a loosely coupled multiprocessors setup. Memory is considered coherent if a read operation provides same data written in the last write operation. The problem is addressed in the literature using different algorithms. The big question is on the correctness of such a distributed algorithm. Formal verification is the principal term for a group of techniques that routinely use an analysis that is established on mathematical transformations to conclude the rightness of hardware or software behavior in divergence to dynamic verification techniques. This paper uses UPPAAL model checker to model the dynamic distributed algorithm for shared virtual memory given by K.Li and P.Hudak. We analyse the mechanism to keep the coherence of memory in every read and write operation by using a dynamic distributed algorithm. Our results show that the dynamic distributed algorithm for shared virtual memory partially fulfils its functional requirements.

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References

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