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=ham
	autolearn_force=no version=3.4.4
X-Google-Thread: a07f3367d7,3a6a9f1d654285ba
X-Google-Attributes: gida07f3367d7,public,usenet
X-Google-NewGroupId: yes
X-Google-Language: ENGLISH,ASCII-7-bit
Path: 
 g2news2.google.com!news3.google.com!feeder3.cambriumusenet.nl!feed.tweaknews.nl!193.201.147.71.MISMATCH!xlned.com!feeder3.xlned.com!news2.euro.net!newsgate.cistron.nl!newsgate.news.xs4all.nl!news.tele.dk!news.tele.dk!small.news.tele.dk!bnewspeer01.bru.ops.eu.uu.net!bnewspeer00.bru.ops.eu.uu.net!emea.uu.net!news.skynet.be!195.238.0.222.MISMATCH!newsspl501.isp.belgacom.be!tjb!not-for-mail
Date: Wed, 07 Oct 2009 13:44:22 +0200
From: Olivier Scalbert <olivier.scalbert@algosyn.com>
User-Agent: Thunderbird 2.0.0.23 (X11/20090817)
MIME-Version: 1.0
Newsgroups: comp.lang.ada
Subject: Re: Ada Shootout program for K-Nucleotide (patches)
References: <4a743343$0$32674$9b4e6d93@newsspool2.arcor-online.net>
In-Reply-To: <4a743343$0$32674$9b4e6d93@newsspool2.arcor-online.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Message-ID: <4acc7f34$0$2864$ba620e4c@news.skynet.be>
Organization: -= Belgacom Usenet Service =-
NNTP-Posting-Host: e786bbbc.news.skynet.be
X-Trace: 1254915892 news.skynet.be 2864 87.66.206.5:45926
X-Complaints-To: usenet-abuse@skynet.be
Xref: g2news2.google.com comp.lang.ada:8598
Date: 2009-10-07T13:44:22+02:00
List-Id: <comp.lang.ada>

Georg Bauhaus wrote:
> This is about the K-Nucleotide program at the
> Computer Language Benchmark Game,
> http://shootout.alioth.debian.org/u32/benchmark.php?test=knucleotide&lang=gnat&id=1
> where some Ada programs have started to fail.
> 
> In order to have one of them work again, I have patched
> knucleotide.gnat, with some success.  New version is here:
> http://home.arcor.de/bauhaus/Ada/knucleotide.gnat
> 
> Comments?  Does it work on your machine?
> 
> The two changes:
> 
> 1 - [stack exhaustion] a loop reading input lines into an
>  ubounded  string replaces the recursive String "&"ing
>  procedure. (Noting that the input text file is ~240MB ...)
> 
> 2 - [heavy bounded strings] a lightweight bounded string ADT
>  replaces an instance of Generic_Bounded_Length, yielding
>  an improved running time of ~22s down from ~30s for
>  the 2,500,000 case.
> 
> Still, on a relatively small virtual machine running 64bit
> Debian, the program cannot handle the 25,000,000 case.
> 
> 

Hi all,

I have just go to K-Nucleotide program at the Computer Language 
Benchmark Game.
Ada is running in 28.51 secs (and now C++ in 16.47 ...)
Is it the last version ?

Thanks,

Olivier