Concurrency
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Core Java
The Disruptor and Mechanical Sympathy: Ring Buffers Against Queues
Most Java developers reach for a queue whenever two threads need to talk. It feels natural, and it usually works…
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Software Development
The Cost of Freedom: Why Rust’s Async Ecosystem Is Permanently Fragmented
If you have ever built a high-throughput concurrent service in Java, you likely take for granted the simplicity of Project…
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Core Java
Clojure’s Software Transactional Memory vs. Locks and CAS in Java
A third way to coordinate shared state: optimistic, language-level, and modeled directly on database transactions. Most Java developers reach for…
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Core Java
Goroutines vs. Virtual Threads: Two Routes to Lightweight Concurrency, a Decade Apart
Go built its language around message passing from day one. Java spent thirty years on shared memory, then had to…
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Software Development
The Actor Model’s Long Lineage: From Hewitt’s 1973 Paper to Kotlin Coroutines
Every “actor” you’ve used, Erlang’s, Akka’s, Kotlin’s, descends from a single 1973 formalism. What survived the trip from language primitive…
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Python
Python 3.13 Free-Threaded Mode: What No-GIL Means for You
After nearly three decades, Python’s most notorious bottleneck is finally optional. Here is what really changes — and what does…
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Core Java
Go’s Concurrency Model vs. Java Virtual Threads: A Practical Comparison
Java 21 changed the concurrency story — but how close is it really to Go’s goroutines? Side-by-side code, real benchmarks,…
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Core Java
Structured Concurrency: Why It Matters More Than Virtual Threads for Correctness
Virtual threads gave Java scale. Structured concurrency gives it correctness. Here is why the second half of Project Loom quietly…
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Core Java
Java’s Memory Model Is Not What You Think: The Gap Between the JMM Spec and the JIT’s Actual Guarantees
The Java Memory Model is formally specified. The JIT implements a superset of that spec in ways the spec permits…
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