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This study introduces the Dynamic Banker's Deadlock Avoidance Algorithm (DBDAA) for efficient operating system resource allocation. DBDAA enhances real-time processing and dynamic safety checks to prevent deadlocks more effectively than traditional methods.

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Area of Science:

  • Computer Science
  • Operating Systems
  • Algorithm Design

Background:

  • Effective resource allocation is critical in operating systems to prevent deadlocks, especially with limited, non-shareable resources.
  • Traditional methods like the Banker's algorithm have limitations, including static process handling, high time complexity (O(n^2d)), and poor real-time adaptability.
  • Existing algorithms struggle with dynamic environments and time-sensitive applications, necessitating more efficient deadlock avoidance strategies.

Purpose of the Study:

  • To propose a novel Dynamic Banker's Deadlock Avoidance Algorithm (DBDAA) that addresses the limitations of traditional deadlock avoidance methods.
  • To enhance system efficiency and reduce deadlock risks through real-time processing and dynamic inclusion of processes in safety checks.
  • To improve the time complexity of deadlock avoidance algorithms for better performance in dynamic systems.

Main Methods:

  • The proposed Dynamic Banker's Deadlock Avoidance Algorithm (DBDAA) integrates real-time processing for immediate safety checks.
  • DBDAA dynamically includes processes in safety checks, reducing the number of comparisons needed to determine safe states.
  • A primary unsafe sequence mechanism allows repeated process participation in safety checks after a system-defined time interval.

Main Results:

  • DBDAA significantly reduces time complexity to O(n) (best-case) and O(nd) (average/worst-case), outperforming the Banker's algorithm's O(n^2d).
  • Real-time processing improves system responsiveness, making DBDAA suitable for dynamic and time-sensitive applications.
  • Experimental comparisons show DBDAA offers superior performance in reduced safe state prediction time and increased overall efficiency.

Conclusions:

  • The Dynamic Banker's Deadlock Avoidance Algorithm (DBDAA) provides a robust and efficient solution for deadlock avoidance in real-time operating systems.
  • DBDAA's dynamic approach and optimized complexity offer significant advantages over traditional deadlock prevention methods.
  • The algorithm's improved efficiency and adaptability make it a valuable tool for modern, resource-constrained computing environments.