Source/binary incompatible (B) Compatible by design (“TypeScript plan”) By fundamental design choice Cooperative Seamless interop with Lang Source+binary compatible (A) “10%” incremental evolution-as-usual Source/binary incompatible (B) Compatible by design (“TypeScript plan”) By fundamental design choice Cooperative Seamless interop with Lang Source+binary compatible (A) “10%” incremental evolution-as-usual C99/11/17, Python 2.xExtra costs Competitive Limited interop w/Lang Source/binary incompatible Cooperative Seamless interop with Lang Source+binary compatible JS & other examples + interop via wrapping

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 10.1.2. Cooperative Garbage Collection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . records or records with unneeded back versions before the record will be garbage collected. In cooperative garbage collection, that particular record will be cleaned up immediately (or at least when the Server uses combined while Classic Server uses cooperative. The other option is background.  Classic Server ignores the setting and always uses cooperative garbage collection. Chapter 10. Database Housekeeping

16/55 A mental model for coroutines: Cooperative Threads void spawn_task () { // ... Result r = outer_function (); }16/55 A mental model for coroutines: Cooperative Threads void spawn_task () { // .. coroutines: Cooperative Threads PartialResult middle_function () { auto r = inner_function (); return PartialResult :: from_io_result (r); }16/55 A mental model for coroutines: Cooperative Threads PartialResult

weekend 4 Understanding the design space Concurrency vs parallelism, latency vs throughput Cooperative vs preemptive, IO vs CPU 1 5 Parallelism is not concurrency 6 Kernel threading models 7 learning - ... - Do we want to be fair? - Clients-server - Video decoding - ... Cooperative vs Preemptive 10 Cooperative multithreading: - Coroutines, fibers, green threads, first-class continuations

blocks and individual threads ce 2 |sep Cooperative Fetching lets threads in the same thread block cooperatively fetch dependent data out_channel By,z 二 OpenCL Model ] Cooperative Fetching Lets threads (work item) in the same thread block (work group) cooperatively fetch dependent

September 17 • 09:0037 Joining & Cancellable Threads  std::jthread   Supports cooperative cancellation  Destructor automatically  Asks thread to cancel  Calls join()38 Joining & destructor automatically cancels thread and calls join()40 Joining & Cancellable Threads  Example cooperative cancellation: std::jthread job { [](std::stop_token token) { while (!token.stop_requested())

set_done set_erro r Request stop set_erro r71 In structured concurrency, deep support for cooperative cancellation is essential for good performance.72 CANCELLATION IN SENDER/RECEIVER73 CANCELLATION that introduce concurrency need to handle cancellation. • Cancellation is asynchronous and cooperative. • Cancellation is best-effort No guarantee an operation will stop promptly or at all • Dedicated

developers, and users in a generic manner; however, programs must operate in a trusting and cooperative manner across the government, contractors, and development teams. This may require the government Technology Issues MAIS Address in Acquisition Strategy and LCSP (Business Case for DBS) Cooperative Opportunities MAIS & ACAT III Address in Acquisition Strategy (Business Case for DBS) Corrosion

AI agents could learn human-level collaborations (or competitions) from their experiences? Cooperative Hunting Artificial Collective Intelligence https://arxiv.org/abs/1703.10069 Multiagent Bidi

Sutter Tuesday​ 3rd • What’s New in Visual Studio – David Li & Mryam Girmay ​Thursday 5th​ • Cooperative C++ Evolution: Towards a Typescript for C++ – Herb Sutter (Keynote) • How Visual Studio Code Can