What are the differences between thread pools and async in C++?
Thread pools manage a collection of threads for executing tasks, while async allows for non-blocking operations.
When should I use a thread pool instead of async?
Use thread pools for tasks that require heavy computation and can benefit from concurrent execution. Async is better for I/O-bound tasks.
Can you give an example of using a thread pool in C++?
Sure! You can use the std::async
function to run tasks asynchronously, or use libraries like Boost or Intel TBB for thread pools.
What are the performance implications of each approach?
Thread pools can reduce overhead by reusing threads, while async can lead to better responsiveness in I/O-bound applications.
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