stdexec
papers
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stdexec
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How to write networking code now that will be easiest to adapt to the upcoming standard?
I searched for more information, and here are some relevant links, in case anybody else is interested: * https://www.reddit.com/r/cpp/comments/zdogz9/new_c_sender_library_enables_portable_asynchrony/ * https://github.com/nvidia/stdexec * https://www.reddit.com/r/cpp/comments/10b76e3/stdexecution_from_the_metal_up_paul_bendixen/ * https://www.reddit.com/r/cpp/comments/st9bjm/p2300_senderreceiver_is_dead_in_the_water_for_c23/
- concurrencpp version 0.1.6 has been released!
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Customization Function Objects - Status?
The last direct news about the status of P2547R1 that I'm aware of was with the Soursop and Ponies in Kona blogpost in November 22. r/cpp looks to not have discussed CPOs directly when the post was linked. Indirectly, this Github issue hints that there is a strong possibility of no language alternative available by C++26.
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Are Boost.coroutine2 coroutines still relevant now we have c++20 coroutines ?
Coroutine task types and other awaitables are well supported by the P2300 std::execution proposal. Take a look at https://github.com/NVIDIA/stdexec Coroutines in general are good at suspension and resumption, but they need a place to run and something to resume them. That's what the sender/receiver framework provides.
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STUDY Buddy - C++ | Accelerated Computing
Looking for a Study Partner (for SERIOUS learning), in the fields of Robotics | Accelerated Computing.I am studying Electrical Engineering (5 out of 7 semesters) and live in Germany. But yeah, College sucks and I mostly use online resources like NVIDIA's DLI, Coursera, edX, Educative and O'Reilly. [I really don't understand how these aren't the new Universities/Colleges. All I know I learned either from there or Youtube, Udemy or Books. College is actually what is slowing me down. It's such a waste of my time and resources. I asked ONE thing from them, and still, that was too much. They didn't do it.Anyway...I am currently going through/finally sorting out some Data Structures and Algorithms stuff (specially Graphs) and my plans/next goals are 1 - Go through C++'s P2300 Proposal and try to understand it along with NVIDIA's stdexec implementation, 2 - Take NVIDIA's CUDA C++ Course, 3 - Get started with Computer Vision [probably using NVIDIA again haha, along with OpenCV)
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New C++ Sender Library Enables Portable Asynchrony
Libunifex inspired P2300, but the design of P2300 has evolved since then and libunifex has not kept pace. stdexec is a faithful and up-to-date implementation of P2300. It also adds GPU support and a small number of schedulers and utilities not in P2300.
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P2300 (Sender/Receiver) is DEAD in the water for C++23 !!!
It is on Github, btw: https://github.com/brycelelbach/wg21_p2300_std_execution
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Asynchronous Stacks and Scopes
I can't really argue that composing algorithms either using function call or pipe syntax is more readable than coroutines. I'll say this: right now P2300 is missing some discussion of how senders can be made trivially awaitable in a coroutine (and awaitables are senders by definition). If coroutines are your preferred syntax, sender/receiver is still a sound basis. Those parts of P2300 are currently under code review. You can find the PRs here.
papers
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Learn Modern C++
What's fun is, because everything is decided in papers, we can find out why! https://github.com/cplusplus/papers/issues/884
Accepted paper here: https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2022/p20...
> The proposed std::print function improves usability, avoids allocating a temporary std::string object and calling operator<< which performs formatted I/O on text that is already formatted. The number of function calls is reduced to one which, together with std::vformat-like type erasure, results in much smaller binary code (see § 13 Binary code).
Additionally,
> Another problem is formatting of Unicode text:
> std::cout << "Привет, κόσμος!";
> If the source and execution encoding is UTF-8 this will produce the expected output on most GNU/Linux and macOS systems. Unfortunately on Windows it is almost guaranteed to produce mojibake despite the fact that the system is fully capable of printing Unicode
- The insanity of compile time programming
- P1673 A free function linear algebra interface based on the BLAS
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When will std::linalg make it into a new C++ release?
See https://github.com/cplusplus/papers/issues/557
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C++ Papercuts
Bringing editions to C++ failed, and I am not aware of anyone trying to tackle the issues https://github.com/cplusplus/papers/issues/631
(I could be wrong though! I follow the committee more than you may guess, but not as much as to think I know everything about what's going on.)
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Argonne National Lab is attempting to replicate LK-99
GitHub would not be relevant in this respect because:
* It's owned by a (single) commercial corporation, Microsoft.
* There is censorship both by content and in some respects by country of origin.
* The code is closed.
but otherwise it's an interesting idea.
The C++ standardization committee uses GitHub to track papers submitted to them, see:
https://github.com/cplusplus/papers
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C++23: The Next C++ Standard
There was no non-approval. The facility needs more work, and the authors (and the committee) were focusing on getting print/format done first. I hope that the paper will be worked on again in the future. We will be happy to review it once there is a revision (see github for history)
- What C++ library do you wish existed but hasn’t been created yet?
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2023-06 Varna ISO C++ Committee Trip Report — First Official C++26 meeting!
For more details on what we did at the 2023-06 Varna meeting, the [GitHub issue](https://github.com/cplusplus/papers/issues/328) associated with the paper has a summary.
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Trip Summer ISO C++ standards meeting (Varna, Bulgaria)
You subscribe to the Github issue of the proposal: https://github.com/cplusplus/papers/issues