18169852. PROCESSOR-BASED SYSTEM FOR ALLOCATING CACHE LINES TO A HIGHER-LEVEL CACHE MEMORY simplified abstract (QUALCOMM Incorporated)

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PROCESSOR-BASED SYSTEM FOR ALLOCATING CACHE LINES TO A HIGHER-LEVEL CACHE MEMORY

Organization Name

QUALCOMM Incorporated

Inventor(s)

Ramkumar Srinivasan of Saratoga CA (US)

PROCESSOR-BASED SYSTEM FOR ALLOCATING CACHE LINES TO A HIGHER-LEVEL CACHE MEMORY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18169852 titled 'PROCESSOR-BASED SYSTEM FOR ALLOCATING CACHE LINES TO A HIGHER-LEVEL CACHE MEMORY

Simplified Explanation:

This patent application describes a processor-based system that manages cache memory by determining the importance of cache lines and replacing them accordingly.

  • The system identifies opportunistic cache lines and marks them as such.
  • It evaluates the importance of cache lines in different levels of cache memory.
  • Based on this evaluation, it replaces cache lines in higher-level cache memory with lower-level cache lines if necessary.
  • The system associates opportunistic indicators with cache lines in higher-level cache memory.

Key Features and Innovation:

  • Intelligent cache management system.
  • Opportunistic cache line identification.
  • Dynamic cache line replacement based on importance.
  • Efficient use of cache memory resources.
  • Enhanced performance of the overall system.

Potential Applications:

  • Data centers.
  • High-performance computing systems.
  • Embedded systems.
  • Cloud computing infrastructure.
  • Networking equipment.

Problems Solved:

  • Efficient cache memory utilization.
  • Improved system performance.
  • Reduced cache misses.
  • Optimal resource allocation.
  • Enhanced overall system efficiency.

Benefits:

  • Faster data access.
  • Lower latency.
  • Improved system responsiveness.
  • Enhanced system reliability.
  • Better utilization of cache memory resources.

Commercial Applications:

Optimized Cache Management System for High-Performance Computing Environments

Prior Art:

Readers can explore prior research on cache memory management systems, cache line replacement algorithms, and cache hierarchy optimization techniques.

Frequently Updated Research:

Stay updated on the latest advancements in cache memory management, cache replacement policies, and system optimization strategies.

Questions about Cache Memory Management:

1. How does cache memory management impact system performance? 

  - Efficient cache memory management can significantly improve system performance by reducing latency and enhancing data access speeds.

2. What are the key challenges in cache memory management? 

  - Some challenges include cache pollution, cache coherence issues, and the design of effective cache replacement policies.


Original Abstract Submitted

A processor-based system for allocating a higher-level cache line in a higher-level cache memory in response to an eviction request of a lower-level cache line is disclosed. The processor-based system determines whether the cache line is opportunistic, sets an opportunistic indicator to indicate that the lower-level cache line is opportunistic, and communicates the lower-level cache line and the opportunistic indicator. The processor-based system determines, based on the opportunistic indicator of the lower-level cache line, whether a higher-level cache line of a plurality of higher-level cache lines in the higher-level cache memory has less or equal importance than the lower-level cache line. In response, the processor-based system replaces the higher-level cache line in the higher-level cache memory with the lower-level cache line and associates the opportunistic indicator with the lower-level cache line in the higher-level cache memory.

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