~/talk

C++ Standard Parallelism

Talkat CppCon 2021 · on Friday, 2021-10-29· at 07:45· online· [concurrency]
slides:none on file

Roadmap claims: standard C++ gains portable parallelism via concrete pieces — execution policies let parallel algorithms dispatch to vendor libraries, transform_reduce example yields a parallel word count that can run on CPU or GPU, and senders and receivers provide composable async task graphs (with bulk/then/transfer) enabling a working generic asynchronous inclusive-scan implemented as a sender pipeline. mdspan is landing in C++23 to express multi‑dimensional views and tiled transposes, so these pieces are specified and demonstrably composable.

AI-written summary · about

  1. 0:00Start
  2. 1:02Conventions
  3. 3:43The New Portability Contract
  4. 5:08Implementation Freedom
  5. 51:14Pillars of C Standard Parallelism
  6. 51:41We Need On-Ramps
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