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Re: Please support Coroutines TS in C++
- From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
- To: Ramón García <ramon dot garcia dot f at gmail dot com>
- Cc: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: Sat, 19 Aug 2017 16:49:40 +0100
- Subject: Re: Please support Coroutines TS in C++
- Authentication-results: sourceware.org; auth=none
- References: <CA+=ghChmBckJOEgQsjsYCQJ7fJao+_mwd+FcPJsNUm=05e9i7A@mail.gmail.com> <CA+=ghCgagKe0Aync2G04tECJWhcqx2Xi-X-uxTciOrZotG+-pQ@mail.gmail.com>
See the thread on gcc-help:
On 19 August 2017 at 14:09, Ramón García <firstname.lastname@example.org> wrote:
> On Tue, Aug 15, 2017 at 2:21 PM, Ramón García <email@example.com> wrote:
>> Please consider supporting the Coroutines TS in GNU C++.
>> It is really important to make asynchronous programming usable.
>> Modern programs should be scalable to use the performance of multicore
>> processors. Stackless coroutines allow the programmer to scale to
>> millions of asynchronous requests. But without the primitives in the
>> Concurrency TS, chaining the result of an asynchronous computation to
>> the next step, one must program a chain of callbacks. It becomes
>> quickly unusable.
>> The promise/future, as specified in the concurrency TS, (that is, with
>> the function future::then for chaining a callback to the completion of
>> the future) make asynchronous programming somewhat more usable.
>> Unfortunately, almost no C++ library shipped supports future with
>> This is an excellent explanation of the Coroutines TS:
>> Both Visual C++ 2017 and CLANG (SVN version) support the Coroutines
>> TS. Please consider it.
>> I saw that someone started an attempt at implementing it:
>> https://gcc.gnu.org/ml/gcc-patches/2016-03/msg00435.html but there
>> were no replies.