---
title: "Discussion on \"The Barrier in C++ 20 concurrency - the programmer in me is still thriving...\" | Hashnode"
description: "Discussion on \"The Barrier in C++ 20 concurrency - the programmer in me is still thriving...\". https://youtu.be/P0_f9xnLRTc\n\nSuppose three workers prepare data at different speeds, but a computation must begin only after all workers are ready. How do we synchronize them?\nstd::barrier is the ans"
url: "https://hashnode.com/posts/the-barrier-in-c-20-concurrency-the-programmer-in-me-is-still-thriving/68a3d119eb4caac4e23359c6"
---

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# [The Barrier in C++ 20 concurrency - the programmer in me is still thriving...](https://som-itsolutions.hashnode.dev/the-barrier-in-c-20-concurrency-the-programmer-in-me-is-still-thriving?utm_source=hashnode&utm_medium=feed)

https://youtu.be/P0\_f9xnLRTc Suppose three workers prepare data at different speeds, but a computation must begin only after all workers are ready. How do we synchronize them? std::barrier is the ans

Aug 19, 2025 · 4 min read · som-itsolutions.hashnode.dev  
Updated 6d ago  
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