---
title: "Discussion on \"BuzzwordBusters: What Does Lock-Free, Wait-Free Really Mean?\" | Hashnode"
description: "Discussion on \"BuzzwordBusters: What Does Lock-Free, Wait-Free Really Mean?\". It's a common belief that code which uses mutexes/locks is \"slow\" and, as soon as you replace them with atomics, your code becomes fast and lock-free."
url: "https://hashnode.com/posts/buzzwordbusters-what-does-lock-free-wait-free-really-mean/639ecc2537427de7aa9c3a65"
---

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# [BuzzwordBusters: What Does Lock-Free, Wait-Free Really Mean?](https://puzpuzpuz.dev/buzzwordbusters-what-does-lock-free-wait-free-really-mean?utm_source=hashnode&utm_medium=feed)

It's a common belief that code which uses mutexes/locks is "slow" and, as soon as you replace them with atomics, your code becomes fast and lock-free.

Dec 18, 2022 · 2 min read · puzpuzpuz.dev  
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-   [#concurrency](https://hashnode.com/tag/concurrency)
-   [#multithreading](https://hashnode.com/tag/multithreading)
-   [#java](https://hashnode.com/tag/java)

## Written by

[Andrei Pechkurov](https://hashnode.com/@puzpuzpuz)

@puzpuzpuz

  
[View profile](https://hashnode.com/@puzpuzpuz)

Top data race and segfault producer in the room.

Core database engineer at QuestDB. Distributed systems gazer. Node.js contributor. Occasional tech blogger and speaker.

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