ThinkerQAQ is a personal technical blog focused on software engineering, distributed systems, concurrency, and AI. I share practical engineering experience, technical deep dives, and continuous learning notes.
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Table of Contents 0. What Does This Article Answer Next? 1. How Does HotSpot Implement synchronized? 1.1 Layers 1.2 End-to-End Implementation Path for synchronized 1.3 Guarantees at the Runtime / Lan
Table of Contents 0. Continue from the Previous Article 1. What Guarantees Do the Lock Rules in Each Language Provide? 1.1 Java: synchronized and Monitors 1.2 Go: sync.Mutex 1.3 CPython: threading.Lo
Table of Contents 0. Continue from the Previous Article 1. Why Does the Language Need a Memory Model Layer? 2. How Should Programmers Understand Memory Model Rules? 2.1 Java Memory Model 2.2 Go Memor
Table of Contents 0. From Language-Level Execution Units to the CPU 1. How Does Java Schedule Threads? 1.1 From Platform Threads to Virtual Threads 1.1.1 The Simplest Model: One Java Thread per OS Th
Table of Contents 1. Start with the von Neumann Architecture 2. What Does count++ Become? 3. Why Do We Need Caches? 4. Concurrency on One Core: Why Can count++ Lose an Update? 5. From One Core to Mul
Table of Contents 1. Define the Scope First 2. Start with a Shared Variable 3. Two Main Coordination Models 3.1 Shared Memory 3.2 Message Passing 4. Why Does This Code Work Correctly? 5. Languages
