First‑line development experience at multiple leading tech firms; now a software architect at a Shanghai state‑owned enterprise and founder of Programming Yanxuan. Nearly 300k followers online; expertise in distributed system design, AIGC application development, and quantitative finance investing.
This tutorial walks Java developers through building, training, evaluating, and deploying a CIFAR‑10 image classifier using PyTorch, covering data loading, preprocessing, network definition, loss and optimizer setup, GPU acceleration, model saving, and per‑class accuracy analysis.
This tutorial walks Java developers through the complete workflow of building, training, and evaluating a neural network in PyTorch, covering network definition, data iteration, forward and backward passes, loss calculation, and parameter updates with detailed code examples and Java‑centric analogies.
This article provides a detailed technical analysis of DeepSeek's R1 large language model, covering its background, architecture, training methods, hardware optimizations, performance claims, user impressions, deployment options, and the challenges of reproducing its results.
The article explains the “impossible triangle” in Transformer training, showing how speed, model performance, and computational cost cannot all be optimized simultaneously, and uses analogies and real‑world examples like GPT‑4 to illustrate the necessary trade‑offs.
This article explains LLMOps—its goals, core activities, benefits, best practices, and how using an LLMOps platform like Dify can dramatically cut development time, simplify prompt engineering, data preparation, monitoring, and deployment of large language models.
The 2024 Java trend report analyzes JDK adoption rates, AI tooling, the rise of the Commonhaus Foundation, Spring and Jakarta EE evolution, virtual thread adoption, and community insights, offering guidance for technical leaders and developers planning their future investments.
This article explains how to create a robust Vue 3 form component using Element Plus, covering component hierarchy, data binding with model, rule definition with async-validator, provide/inject communication, and step‑by‑step validation logic with practical code examples.
This article explains why cache consistency is critical for Meta, how the company measures and monitors consistency, the design of the Polaris system that detects and resolves stale cache entries, and provides a concrete Python‑style example illustrating the challenges and solutions.
LinkedIn’s message search system stores messages in RocksDB, builds Lucene inverted indexes on demand, partitions them by user, keeps indexes in memory, and uses a coordinator with D2/Zookeeper for node routing, enabling rapid, cost‑effective searches while minimizing write overhead.
Unlike traditional one‑request‑per‑process servers, Nginx uses a fixed number of worker processes with a non‑blocking, event‑driven model that reduces context switches, leverages epoll/kqueue, and handles thousands of connections efficiently, making it the preferred high‑performance web server.
