18391470. SCHEDULING OF DUPLICATE THREADS simplified abstract (Imagination Technologies Limited)

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SCHEDULING OF DUPLICATE THREADS

Organization Name

Imagination Technologies Limited

Inventor(s)

Revanth Kamaraj of Hertfordshire (GB)

Vamshi Kadiyala of Hertfordshire (GB)

Jack Andrew of Hertfordshire (GB)

Ozgur Ozkurt of Hertfordshire (GB)

SCHEDULING OF DUPLICATE THREADS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18391470 titled 'SCHEDULING OF DUPLICATE THREADS

Simplified Explanation: The safety thread scheduler in this patent application is designed to schedule a duplicate check thread for a critical thread running on one of multiple execution units. The scheduler ensures the check thread starts running on a different execution unit before a safety time-window ends, allowing it to be interrupted by another thread and rescheduled within a time limit.

  • Key Features and Innovation:
   - Safety thread scheduler for critical thread duplication
   - Scheduling check thread on a different execution unit
   - Interruption and rescheduling capabilities
  • Potential Applications:
   - Real-time systems
   - Safety-critical applications
   - Multi-threaded processing environments
  • Problems Solved:
   - Ensuring critical thread redundancy
   - Mitigating risks of thread failures
   - Enhancing system reliability
  • Benefits:
   - Improved system safety
   - Enhanced fault tolerance
   - Increased reliability of critical processes
  • Commercial Applications:
   - Aerospace industry for flight control systems
   - Automotive sector for autonomous driving systems
   - Medical devices for patient monitoring systems
  • Prior Art:
   - Prior research on thread scheduling algorithms
   - Studies on fault-tolerant computing systems
  • Frequently Updated Research:
   - Latest advancements in real-time operating systems
   - Ongoing developments in fault-tolerant computing technologies

Questions about thread scheduling: 1. How does the safety thread scheduler improve system reliability? 2. What are the potential applications of this technology in safety-critical industries?

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Original Abstract Submitted

A safety thread scheduler configured to schedule a check thread for a critical thread being run on one of a plurality of execution units, the check thread being a duplicate of the critical thread, wherein the safety thread scheduler is configured to schedule the check thread to begin being run on a second one of the plurality of execution units before the end of a safety time-window for scheduling the check thread. The safety thread scheduler is further configured to allow the check thread, when the check thread is running on the second one of the plurality of execution units, to be interrupted by a further thread and to re-schedule the check thread to be resumed by expiry of a re-scheduling time limit.

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