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From: Isaac Gouy <igouy2@yahoo.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada Shootout program for K-Nucleotide (patches)
Date: Tue, 4 Aug 2009 08:43:35 -0700 (PDT)
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On Aug 3, 1:29=A0pm, Robert A Duff <bobd...@shell01.TheWorld.com> wrote:
> Isaac Gouy <igo...@yahoo.com> writes:
> > On Aug 3, 5:36=A0am, Jacob Sparre Andersen <spa...@nbi.dk> wrote:
> >> 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, the=
n
> >> 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&.=
..
>
> What exactly does that mean?
>
> Would it be "cheating" to read all of stdin until reaching end-of-file,
> and then break the result up into lines (by whatever means)?

iirc the default buffer size for Java reader is 8192 bytes - use that.


> What if it said "read line-by-line from a file named on the command
> line"? =A0Would it then be "cheating" to mmap the file, and then
> break it up into lines?

It doesn't say that.

Contribute a program that expects to find a file name on the command
line and the program will fail when it doesn't find a file name on the
command line.