Adaptive LLM Response Caching with Safety Scoring

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Solution Overview

Problem

Existing caching databases for Large Language Models (LLMs) face challenges in maintaining data consistency, adaptive management, and scalability, leading to performance degradation, computational strain, and reliability issues due to inconsistent and stale data, while lacking effective monitoring and optimization strategies.

Innovation Solution

An adaptive heuristic approach utilizing machine learning techniques and time series forecasting to dynamically manage caching databases, enhancing cache hit rates and reducing miss rates by analyzing historical access patterns and predicting data trends, ensuring adherence to Responsible AI principles.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of time

If caching mechanisms are implemented to enhance efficiency and responsiveness, then response time is improved, but data consistency and reliability deteriorate due to stale and inconsistent cached data

Engineering Contradiction:
Improveresponse timeVSAvoiddata consistency
Core Design Contradiction:
Loss of timeVSReliability

Solution Approach 1:

The system implements feedback mechanisms by continuously monitoring cache performance metrics (hit rates, miss rates, response times) and using this information to dynamically adjust caching strategies. The evaluation module assesses cached data quality and triggers updates or invalidations when consistency thresholds are not met, creating a closed-loop control system that balances speed and reliability.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The caching system transitions from static to dynamic management by adapting cache parameters (such as TTL, eviction policies, and cache size) based on real-time workload conditions and data characteristics. The system dynamically adjusts caching behavior to maintain optimal performance while ensuring data consistency through conditional updates and versioning strategies.

Inventive Principle:
Principle #15Dynamics

2Productivity

If caching databases are expanded to store more data, then cache hit rate is improved, but system complexity and management difficulty increase

Engineering Contradiction:
Improvecache hit rateVSAvoidcaching system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The caching system implements self-service capabilities through automated evaluation and management modules that autonomously monitor cache performance, assess data quality, and execute optimization actions without manual intervention. The system automatically invalidates stale entries, updates cached data based on quality metrics, and adjusts caching parameters, reducing the operational burden while maintaining high hit rates.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system manages complexity by dynamically changing operational parameters (such as cache size, eviction policies, and data retention periods) based on observed performance patterns and workload characteristics. This allows the system to optimize for high hit rates in different scenarios without requiring complex manual configuration or management overhead.

Inventive Principle:
Principle #35Parameter changes

3Productivity

If adaptive caching strategies are implemented to improve responsiveness, then system performance is enhanced, but computational overhead and energy consumption increase

Engineering Contradiction:
Improvesystem performanceVSAvoidcomputational overhead
Core Design Contradiction:
ProductivityVSUse of energy by moving object

Solution Approach 1:

The system applies partial adaptive caching by selectively evaluating and optimizing only the most frequently accessed or critical data subsets rather than uniformly processing entire datasets. The evaluation module focuses computational resources on high-impact cache entries, achieving significant performance improvements with reduced overall computational overhead compared to comprehensive adaptive strategies.

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentEP4703917A1Adaptive caching of model responses
Publication Date: 2026.03.04 ACCENTURE GLOBAL SOLUTIONS LTD
  • EP4703917A1 patent drawingFigure 1
  • EP4703917A1 patent drawingFigure 2
  • EP4703917A1 patent drawingFigure 3

AI summary

Method, system, and computer-readable media for adaptive caching of a response generated by a Large Language Model (LLM) for a received prompt is disclosed. Data associated with the response and the received prompt is processed. A respective value of each of a plurality of features is updated to generate a discrete time series based upon the data. Further, a plurality of caching metrics is generated based upon a plurality of respective values of one or more features of the plurality of features. A safety score corresponding to the plurality of caching metrics is generated. The data based, at least in part, upon the safety score, a response time predicted for a request associated with the received prompt, and metadata, are stored in a caching database.