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: a07f3367d7,3a6a9f1d654285ba X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII Path: g2news2.google.com!postnews.google.com!y10g2000prf.googlegroups.com!not-for-mail From: Isaac Gouy Newsgroups: comp.lang.ada Subject: Re: Ada Shootout program for K-Nucleotide (patches) Date: Mon, 3 Aug 2009 11:31:41 -0700 (PDT) Organization: http://groups.google.com Message-ID: References: <4a743343$0$32674$9b4e6d93@newsspool2.arcor-online.net> <0c18b36c-7af0-454c-8208-9b0416111a1f@w41g2000yqb.googlegroups.com> <87fxc9e0mg.fsf@nbi.dk> <4a76cd4f$0$31329$9b4e6d93@newsspool4.arcor-online.net> <87bpmxdqfo.fsf@nbi.dk> NNTP-Posting-Host: 76.102.15.45 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1249324301 23098 127.0.0.1 (3 Aug 2009 18:31:41 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Mon, 3 Aug 2009 18:31:41 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: y10g2000prf.googlegroups.com; posting-host=76.102.15.45; posting-account=8hLxJgkAAAAL8xHLJ0ljKM_bUSuq3O6V User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.12) Gecko/2009070811 Ubuntu/9.04 (jaunty) Firefox/3.0.12,gzip(gfe),gzip(gfe) Xref: g2news2.google.com comp.lang.ada:7546 Date: 2009-08-03T11:31:41-07:00 List-Id: On Aug 3, 5:36=A0am, Jacob Sparre Andersen wrote: > Georg Bauhaus wrote: > > Jacob Sparre Andersen schrieb: > > > Wouldn't it be even faster to map the data file to a string (using > > > POSIX.Memory_Mapping.Map_Memory), and then "read" from that > > > string? > > > According to the FAQ, "programs are expected to either take a single > > command-line parameter or read text from stdin." > > If we interpret this as the choice of the implementer, then there is > no problem. =A0If the programs have to be able to read from stdin, then > memory mapped files aren't of much use. "read line-by-line a redirected FASTA format file from stdin" http://shootout.alioth.debian.org/u32/benchmark.php?test=3Dknucleotide&lang= =3Dall#about