The promises and challenges of std::async task-based parallelism in C++11—Eli Bendersky

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How to use std::async for task-based parallelism in C++11.

The promises and challenges of std::async task-based parallelism in C++11

by Eli Bendersky

From the article:

"Task-based parallelism" refers to a higher level of abstraction, where the programmer manages "tasks" - chunks of work that has to be done, while the library (or language) presents an API to launch these tasks. It is then the library's job to launch threads, make sure there are not too few or too many of them, make sure the work is reasonably load-balanced, and so on. For better or worse, this gives the programmer less low-level control over the system, but also higher-level, more convenient and safer APIs to work with. Some will claim that this also leads to better performance, though this really depends on the application.

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