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Recent Concurrency and Parallelism Proposals to the C++ Standard Committee - CppCon 2024

https://cppcon.org​ --- Recent Concurrency and Parallelism Proposals to the C++ Standard Committee - Paul E. McKenney, Maged Michael & Michael Wong - CppCon 2024 --- This talk will highlight the key discussions in ISO C++ parallelism and concurrency related proposals since the last CppCon discussed in the Kona 2023, Tokyo 2024, and St. Louis 2024 C++ standard meetings. We aim to update CppCon attendees every year in this area. We focus on features that are close to standardization, and/or appear to be relatively non-controversial so that you get a look ahead on what is coming for the next C++ release. This talk, by the Concurrency TS2 Editors will describe all the features and show how they can be used as well as give their motivation, background and how they fit within the overall framework of C++ parallelism and concurrency. 1. Atomic 2. Hazard pointer extensions 3. Pointer Tagging 4. Parallel Algorithms, Parallel Range algorithms There are other features being discussed at these meetings, but they are still in development and could still change. So we focus on those features that seem close to approval, interesting, and/or are relatively non-controversial. We will show the use cases of each and describe how some of them are already heading to C++26 or beyond. This will help programmers in concurrency, lock-free programming, low-latency applications how to take advantage of each of these important facilities. --- Slides: https://github.com/CppCon/CppCon2024/... Sponsored by JetBrains: https://www.jetbrains.com/clion/ --- Paul E. McKenney Paul E. McKenney has been coding for almost four decades, more than half of that on parallel hardware, where his work has earned him a reputation among some as a flaming heretic. Paul maintains the RCU implementation within the Linux kernel, where the variety of workloads present highly entertaining performance, scalability, real-time response, and energy-efficiency challenges. Paul was previously an IBM Distinguished Engineer at the IBM Linux Technology Center. Prior to that, he worked on the DYNIX/ptx kernel at Sequent, and prior to that on packet-radio and Internet protocols (but long before it was polite to mention Internet at cocktail parties), system administration, business applications, and real-time systems. --- Maged Michael Maged Michael is the inventor of several concurrent algorithms including hazard pointers, lock-free allocation, and multiple concurrent data structure algorithms. His code and algorithms are widely-used in standard libraries and production. His 2002 paper on hazard pointers received the 2022 Dijkstra Prize in Distributed Computing, and his 2004 paper on lock-free allocation received the 2014 ACM SIGPLAN Most Influential PLDI Paper Award. --- Michael Wong Michael Wong is Distinguished Engineer/VP of R&D at Codeplay Software. He is a current Director and VP of ISOCPP, and a senior member of the C++ Standards Committee. He chairs the WG21 SG5 Transactional Memory and SG14 Games Development/Low Latency/Financials C++ groups and is the co-author of a number C++/OpenMP/Transactional memory features including generalized attributes, user-defined literals, inheriting constructors, weakly ordered memory models, and explicit conversion operators. He has published numerous research papers and is the author of a book on C++11. He has been an invited speaker and keynote at numerous conferences. He is currently the editor of SG1 Concurrency TS and SG5 Transactional Memory TS. He is also the Chair of the SYCL standard and all Programming Languages for Standards Council of Canada. Previously, he was CEO of OpenMP involved with taking OpenMP toward Acceelerator support and the Technical Strategy Architect responsible for moving IBM’s compilers to Clang/LLVM after leading IBM’s XL C++ compiler team. --- CppCon is the annual, week-long face-to-face gathering for the entire C++ community. The conference is organized by the C++ community for the community. You will enjoy inspirational talks and a friendly atmosphere designed to help attendees learn from each other, meet interesting people, and generally have a stimulating experience. Taking place this year in Aurora, Colorado, near the Denver airport, and including multiple diverse tracks, the conference will appeal to anyone from C++ novices to experts. Annual CppCon Conference - https://www.cppcon.org   / cppcon   https://x.com/cppcon   / cppconference     / cppcon   https://mastodon.social/@CppCon --- Videos Filmed & Edited by Bash Films: http://www.BashFilms.com YouTube Channel Managed by Digital Medium Ltd: https://events.digital-medium.co.uk --- #concurrency #parallelism #cpp #cplusplus #cppcon #cppprogramming #cplusplusprogramming #softwaredevelopment #softwareengineering #coding #code #programming #programmer