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Programming > C++ > Re: Shootout (...
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Re: Shootout (sum-file)

by Richard Heathfield <rjh@[EMAIL PROTECTED] > May 6, 2008 at 05:49 AM

Razik said:

> 
> On Wed, 30 Apr 2008 08:00:38 -0700 (PDT), Isaac Gouy
> <igouy2@[EMAIL PROTECTED]
> wrote:
> 
>>Why don't you go through all...
> 
> Let's continue. Next we deal with sum-file...
> 
> 
http://shootout.alioth.debian.org/gp4/benchmark.php?test=sumcol&lang=all#about
> 
> "Programs should use built-in line-oriented I/O functions rather than
> custom-code. No line will exceed 128 characters, including newline.
> Reading one line at a time, the programs should run in constant
> space."
> 
> According to Haskel people,
> 
> "Those guys tell us these benchmarks don't favor C and then impose a
> limit on line length? What's the purpose of that if not to allow the
> use of C's getline() primitive?"

C doesn't have a getline() primitive.

> That's a valid point that you need to address. Why 128 characters
> limit

No idea.

> if not to help C and C++ guys?

That ain't the reason.

> 
> In any case,
> C++
> 
http://shootout.alioth.debian.org/debian/benchmark.php?test=sumcol&lang=gpp&id=2
> 
> Java
> 
http://shootout.alioth.debian.org/debian/benchmark.php?test=sumcol&lang=java&id=2
> 
> and 14 MB custom file used to test..
> 
> 1.291s (g++)
> 0.742s (java -server)
> 0.706s (jet java net compiler)
> 
> Huh? Shame on c++ and g++.

No, just shame on whoever wrote the C++ version. They might want to learn 
C++ before writing benchmark programs.

> Why is still slower despite custom help
> provided by Isaac Gouy who imposed artificial 128 char line limit?
> Disappointed in C++, once again.

Why? The fault, dear Razik, lies not in our languages, but in our authors.

On my system, neither the C++ version nor the Java version would compile.

-- 
Richard Heathfield <http://www.cpax.org.uk>
Email: -http://www.
+rjh@[EMAIL PROTECTED]
 users: <http://www.cpax.org.uk/prg/writings/googly.php>
"Usenet is a strange place" - dmr 29 July 1999
 




 33 Posts in Topic:
Shootout (sum-file)
Razik <hrttugd@[EMAIL   2008-05-06 00:22:45 
Re: Shootout (sum-file)
Richard Heathfield <rj  2008-05-06 05:49:03 
Re: Shootout (sum-file)
Razii <hkasdh@[EMAIL P  2008-05-06 02:41:27 
Re: Shootout (sum-file)
"Chris Thomasson&quo  2008-05-06 00:45:45 
Re: Shootout (sum-file)
Juha Nieminen <nospam@  2008-05-06 08:17:49 
Re: Shootout (sum-file)
Razii <gjtrsds@[EMAIL   2008-05-06 04:44:38 
Re: Shootout (sum-file)
Richard Heathfield <rj  2008-05-06 08:28:15 
Re: Shootout (sum-file)
Razii <gjtrsds@[EMAIL   2008-05-06 04:58:46 
Re: Shootout (sum-file)
Richard Heathfield <rj  2008-05-06 09:09:16 
Re: Shootout (sum-file)
"Bartc" <bc@  2008-05-06 09:16:37 
Re: Shootout (sum-file)
Razii <gjtrsds@[EMAIL   2008-05-06 05:12:57 
Re: Shootout (sum-file)
Richard Heathfield <rj  2008-05-06 09:59:33 
Re: Shootout (sum-file)
Razii <gjtrsds@[EMAIL   2008-05-06 06:02:28 
Re: Shootout (sum-file)
"Joachim Schmitz&quo  2008-05-06 13:08:21 
Re: Shootout (sum-file)
Richard Heathfield <rj  2008-05-06 11:17:43 
Re: Shootout (sum-file)
Razii <gjtrsds@[EMAIL   2008-05-06 06:37:43 
Re: Shootout (sum-file)
Richard Heathfield <rj  2008-05-06 11:51:59 
Re: Shootout (sum-file)
richard@[EMAIL PROTECTED]  2008-05-06 12:11:38 
Re: Shootout (sum-file)
Richard Heathfield <rj  2008-05-06 12:28:39 
Re: Shootout (sum-file)
Razii <gjtrsds@[EMAIL   2008-05-06 07:24:41 
Re: Shootout (sum-file)
"Bo Persson" &l  2008-05-06 19:38:13 
Re: Shootout (sum-file)
Razii <gjtrsds@[EMAIL   2008-05-09 07:58:01 
Re: Shootout (sum-file)
Razii <gjtrsds@[EMAIL   2008-05-09 08:47:01 
Re: Shootout (sum-file)
Isaac Gouy <igouy2@[EM  2008-05-06 07:44:08 
Re: Shootout (sum-file)
Richard Heathfield <rj  2008-05-06 14:49:58 
Re: Shootout (sum-file)
Isaac Gouy <igouy2@[EM  2008-05-06 08:21:33 
Re: Shootout (startup)
Razii <uiyffk@[EMAIL P  2008-05-06 02:17:45 
Re: Shootout (startup)
Razii <gjtrsds@[EMAIL   2008-05-06 03:56:28 
Re: Shootout (startup)
Razii <gjtrsds@[EMAIL   2008-05-07 08:50:07 
Re: Shootout (sum-file)
Nick Keighley <nick_ke  2008-05-06 00:58:28 
Re: Shootout (sum-file)
Nick Keighley <nick_ke  2008-05-06 00:59:23 
Re: Shootout (sum-file)
santosh <santosh.k83@[  2008-05-06 14:14:35 
Re: Shootout (sum-file)
Mark McIntyre <markmci  2008-05-06 09:00:10 

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