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,FREEMAIL_FROM autolearn=unavailable autolearn_force=no version=3.4.4 X-Received: by 10.176.27.4 with SMTP id d4mr4791836uai.6.1497867976679; Mon, 19 Jun 2017 03:26:16 -0700 (PDT) X-Received: by 10.157.51.28 with SMTP id f28mr158908otc.19.1497867976638; Mon, 19 Jun 2017 03:26:16 -0700 (PDT) Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!news.glorb.com!s24no1032263qte.0!news-out.google.com!s132ni5423itb.0!nntp.google.com!185no1712444itv.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Mon, 19 Jun 2017 03:26:16 -0700 (PDT) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=82.232.58.132; posting-account=6yLzewoAAABoisbSsCJH1SPMc9UrfXBH NNTP-Posting-Host: 82.232.58.132 References: <65c5271c-33a1-4f36-977e-372af449d9c1@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <219dc91b-5853-4a8d-b59a-fecc8aa70909@googlegroups.com> Subject: Re: Poor performance with GNAT-GPL-2017 From: briot.emmanuel@gmail.com Injection-Date: Mon, 19 Jun 2017 10:26:16 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Xref: news.eternal-september.org comp.lang.ada:47005 Date: 2017-06-19T03:26:16-07:00 List-Id: Since you are running linux, you could try running a profiler ("prof record= ./main; prof report -g") on both instances of your program. Maybe that wil= l highlight some source of inefficiency and you can report this to AdaCore.= I don't remember whether they changed the version of the gcc backend this = year, so at this stage the slowdown could be either in the front-end or in = the backend...