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Today’s Open Source (2025-11-3): Kuaishou and Nanjing University Lab Co-Develop HiPO for Hybrid Strategy Optimization in LLM Dynamic Inference, Dual-Mode Switching Balances Accuracy and Efficiency

Today’s Open Source (2025-11-3): Kuaishou and Nanjing University Lab Co-Develop HiPO for Hybrid Strategy Optimization in LLM Dynamic Inference, Dual-Mode Switching Balances Accuracy and Efficiency

🏆 Foundational Models ① Project: HiPO HiPO-8B is a novel reinforcement learning framework based on Hybrid Policy Optimization, enabling dynamic reasoning capabilities in large language models (LLMs). Key Highlights: * Developed by KwaiKAT team at Kuaishou in collaboration with NJU-LINK Laboratory (Nanjing University) and ARiSE Laboratory. * Features “think-on” and “think-off” mode switching to

By Honghao Wang

AI testing

New AI Development Rules: Testing to Ensure Every Deployment

# Bridging AI Evaluation with Real-World Business Impact *Magdalena Picariello reframes AI conversations around measurable business value, iterative development, and feedback-driven optimization.* --- ## Introduction Magdalena shifts focus from **algorithms and metrics** to **tangible business outcomes**, advocating for evaluation systems that go beyond accuracy. Her approach: - **Continuous feedback loops** - **Iterative

By Honghao Wang
Ultra-Long Sequence Parallelism: Ulysses + Ring-Attention Principles and Implementation

sequence parallelism

Ultra-Long Sequence Parallelism: Ulysses + Ring-Attention Principles and Implementation

00 — Preface Long-Sequence Training Challenges Training ultra-long sequences is a critical aspect of large model development. In real-world inference — especially within Agent pipelines — a model’s generalization ability to handle long contexts directly impacts its reliability. However, long-sequence scenarios place heavy demands on training resources due to the O(N²

By Honghao Wang
Six Months of Intense Coding and 300,000 Lines Written! A Programmer Spent ¥1,400 Monthly Pushing Claude Code to the Limit, Joking It May Have Shortened His Life by Five Years

AI coding

Six Months of Intense Coding and 300,000 Lines Written! A Programmer Spent ¥1,400 Monthly Pushing Claude Code to the Limit, Joking It May Have Shortened His Life by Five Years

# Six Months, 300,000 Lines Refactored — Lessons from Claude Code > Six months of real-world project work. > 300,000 lines of code rewritten. > It sounds like fiction — but for **JokeGold5455**, it was reality. --- ## Overview Developer **JokeGold5455** single‑handedly undertook the refactoring of a complex TypeScript microservices project.

By Honghao Wang