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AI & Autonomous Agents•6 min read•2026-10-15

Prompt Caching Techniques for Low-Latency Desktop LLM Inference

How prefix caching, KV-cache reuse, and system prompt distillation slash local LLM response times by up to 80%.

C
Castov Engineering
Core Platform & DevSecOps Team

Reusing Key-Value Caches Across Agent Turns

In multi-turn autonomous loops, over 90% of prompt tokens are identical across iterations. Persisting KV caches in memory avoids re-evaluating static system prompts.

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