From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on ip-172-31-65-14.ec2.internal X-Spam-Level: X-Spam-Status: No, score=-1.9 required=3.0 tests=BAYES_00,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 Path: eternal-september.org!reader01.eternal-september.org!aioe.org!gy7opw3oYmwPg+L8gXeD2w.user.46.165.242.75.POSTED!not-for-mail From: Stephen Leake Newsgroups: comp.lang.ada Subject: Re: GNAT Speed Comparison on Older Intel versus Apple Silicon M1 Date: Wed, 09 Nov 2022 05:50:58 -0800 Organization: Aioe.org NNTP Server Message-ID: <86a650p77h.fsf@stephe-leake.org> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: gioia.aioe.org; logging-data="39515"; posting-host="gy7opw3oYmwPg+L8gXeD2w.user.gioia.aioe.org"; mail-complaints-to="abuse@aioe.org"; User-Agent: Gnus/5.13 (Gnus v5.13) X-Notice: Filtered by postfilter v. 0.9.2 Cancel-Lock: sha1:Zcg77lsHpDYD2cTUijvHvHR8S70= Xref: reader01.eternal-september.org comp.lang.ada:64584 List-Id: Jerry writes: > I use GNAT on a late 2008 MacBook Pro with a 2.4 GHz Intel Core 2 Duo > for heavy numerical computing. It is not uncommon for my programs to > run several minutes to several hours. Does anyone have a feel for how > much speed increase I would see using GNAT on an Apple Silicon M1 > PowerBook Pro? My main curiosity is single-core runs since GNAT does > not parallelize; I am aware that I can run multiple programs > simultaneously on multiple cores. The recent standard Ada 2022 has more support for fine-grain parallelization, but it still requires adding syntax to the code. -- -- Stephe