Olivier Giroux chairs the ISO C++ subgroup for Concurrency and Parallelism. Olivier continues to present very useful interactive talks on C++ concurrency and parallelism. This talk is about the C++ Forward Progress Guarantee in light of concurrency and parallelism.

C++ Proposal P2809R3 is to allow trivial infinite loops as defined behavior in C++.

The definition Olivier uses for concurrency at 16:50 in the video above is:

Concurrent tasks eventually observe each other’s effects.

Previous talks on this subject by Olivier follow: