From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!mx02.eternal-september.org!feeder.eternal-september.org!gandalf.srv.welterde.de!news.jacob-sparre.dk!loke.jacob-sparre.dk!pnx.dk!.POSTED!not-for-mail From: Jacob Sparre Andersen Newsgroups: comp.lang.ada Subject: Re: =?iso-8859-1?Q?GNAT=A0and?= Tasklets Date: Thu, 11 Dec 2014 11:02:37 +0100 Organization: Jacob Sparre Andersen Research & Innovation Message-ID: <87oaray05e.fsf@adaheads.sparre-andersen.dk> References: <455d0987-734a-4505-bb39-37bfd1a2cc6b@googlegroups.com> NNTP-Posting-Host: 109.57.199.139.mobile.3.dk Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: loke.gir.dk 1418292160 23151 109.57.199.139 (11 Dec 2014 10:02:40 GMT) X-Complaints-To: news@jacob-sparre.dk NNTP-Posting-Date: Thu, 11 Dec 2014 10:02:40 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.4 (gnu/linux) Cancel-Lock: sha1:OX4n4pKAQW6BNle+U05UTxjWRUs= Xref: news.eternal-september.org comp.lang.ada:23961 Date: 2014-12-11T11:02:37+01:00 List-Id: Vincent Diemunsch wrote: > So my question is : does GNAT create a kernel thread for each local > task or is it able to compile local tasks as jobs sent to a pool of > tasks created in the runtime ? It can do both. There exists multiple run-time libraries for GNAT, some have no tasking at all, some implement tasking directly on the hardware, some use user-space threads and some use operating system threads. Ada 202X is likely to include slightly more implicit parallel processing than tasks. The Gang of Four is busy(?) working out a proposal for how to do it. Greetings, Jacob -- People in cars cause accidents. Accidents in cars cause people.