lzpong/threadpool

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

1138 stars · 356 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A minimal (~300 line) C++11 header-only thread pool that accepts variadic functions and lambdas and returns std::future results. It features a bounded task queue with backpressure, optional auto-growing threads with idle reclamation, and exception safety.

Use cases

• run tasks concurrently with a thread pool in C++
• submit lambdas with arbitrary arguments and get results via futures
• limit concurrent worker threads with a bounded task queue
• auto-scale thread count and reclaim idle threads
• learn C++11 concurrency idioms like packaged_task and condition_variable

When to choose

• you need a tiny, dependency-free C++11 thread pool
• you want variadic task submission with future return values
• you need backpressure via a bounded queue
• you want a readable implementation to study C++11 threading

When to avoid

• you need advanced features like work stealing, priorities, or cancellation
• you need direct support for class member functions without bind/mem_fn
• your tasks submit and wait on subtasks in the same pool (deadlock risk)
• you need a production-grade pool with extensive tuning and metrics

Facets

library · maturity stable

concurrency developer-tools developer-tools performance cpp cross-platform windows thread-pool c++11 header-only task-queue future backpressure mini algorithms linux macos

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