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AI Architecture Hub
AI Architecture Hub
Apr 24, 2026 · Artificial Intelligence

How Claude Code Achieves a 92% Prompt Caching Hit Rate with Three Unbreakable Engineering Rules

Claude Code’s prompt‑caching delivers a 92% hit rate, slashing a 50‑round agent session cost from $6 to $1.15 by separating stable prefixes from dynamic tails, using a three‑layer cache architecture, exact token‑sequence matching, and three strict engineering rules that keep the cache hot and reliable.

Cache Hit RateClaude CodeCost reduction
0 likes · 13 min read
How Claude Code Achieves a 92% Prompt Caching Hit Rate with Three Unbreakable Engineering Rules
Kuaishou Tech
Kuaishou Tech
May 28, 2025 · Databases

Optimizing Kuaishou's Photo Object Storage: Reducing Size and Boosting Cache Hit Rate

This article details how Kuaishou dramatically cut storage costs and improved cache efficiency for its core Photo data object by cleaning up redundant JSON fields, applying selective serialization, and performing large‑scale data cleaning, achieving a 25% size reduction, a 2% cache‑hit increase, and multi‑hundred‑TB savings.

Cache Hit RateKuaishouPhoto Object
0 likes · 20 min read
Optimizing Kuaishou's Photo Object Storage: Reducing Size and Boosting Cache Hit Rate
Programmer DD
Programmer DD
Sep 16, 2021 · Backend Development

Mastering Cache Strategies: Types, Hit Rates, Eviction & Design Patterns

Explore comprehensive caching concepts—including client, server, and CDN caches—along with hit rate metrics, eviction methods, popular strategies like FIFO, LRU, LFU, and design patterns such as Cache‑Aside, Read/Write‑Through, and Write‑Behind, plus essential testing considerations for robust application performance.

Backend PerformanceCache EvictionCache Hit Rate
0 likes · 8 min read
Mastering Cache Strategies: Types, Hit Rates, Eviction & Design Patterns
Liangxu Linux
Liangxu Linux
Oct 31, 2020 · Fundamentals

How CPU Cache Works and How to Write Faster Code

Understanding CPU cache hierarchy, its speed advantages over memory, and the mechanics of cache lines, tags, and offsets reveals why code that maximizes cache hit rates—through sequential data access, branch prediction, and core affinity—can run dramatically faster on modern processors.

CPU cacheCache Hit RateMemory Hierarchy
0 likes · 18 min read
How CPU Cache Works and How to Write Faster Code