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=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,3f0365b3a22c7556 X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news3.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local01.nntp.dca.giganews.com!nntp.comcast.com!news.comcast.com.POSTED!not-for-mail NNTP-Posting-Date: Wed, 12 Oct 2005 21:46:06 -0500 From: "Steve" Newsgroups: comp.lang.ada References: <434c2709$0$21298$626a54ce@news.free.fr> <434CA2A2.2040405@spam.com> Subject: Re: Heap vs Stack allocation Date: Wed, 12 Oct 2005 19:47:25 -0700 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-RFC2646: Format=Flowed; Original Message-ID: NNTP-Posting-Host: 24.22.63.157 X-Trace: sv3-aNLE2EArXfMHbu0I7IHKUXYkr+8qxha94Pt/wJsdT3ZJqgnyeoJgAreKdHYi0+v89R4nOaB0TBdToK2!RWbkG0rmJOb1lGrsJDpFQaKfjqPnS0lSsspreDvOOklQvpiTs3/8CmSeJJKTJ+mupYzXJZJDp08= X-Complaints-To: abuse@comcast.net X-DMCA-Complaints-To: dmca@comcast.net X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.32 Xref: g2news1.google.com comp.lang.ada:5579 Date: 2005-10-12T19:47:25-07:00 List-Id: "Freejack" wrote in message news:pan.2005.10.13.23.44.23.670599@nowhere.net... > On Wed, 12 Oct 2005 05:44:10 +0000, Jeffrey R. Carter wrote: > >> There seems to be an existence proof for this: the Tartan Ada-83 >> compilers had >> excellent optimizers. It was a Tartan compiler that resulted in the "Ada >> Beats >> Assembler" article; the compiler produced smaller and faster code than >> hand-optimized assembler from a team of experts. There was also an >> interesting >> article on Tartan's benchmarks that they used to sell their C compilers. >> The Ada >> version was faster than the C version. The article listed the Ada >> features that >> allowed this. True arrays was one such feature. >> >> I'm speaking from memory; I don't have the articles around. They were in >> /Ada >> Letters/ in the late 1980s or early 1990s. > > Is Tartan still in existence? Are the current crop of Ada vendors making > Ada specific optimizers? I'd be very interested in getting my hands on > one. > > Freejack > It appears that DDC-I acquired the tartan compilers: http://www.ddci.com/news_tads2000.shtml Steve (The Duck)