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From: Andy Wingo <wingo@pobox.com>
To: Andreas Rottmann <a.rottmann@gmx.at>
Cc: guile-devel@gnu.org
Subject: Re: Take some lowhanging fruit to speed up R6RS fixnum operations
Date: Tue, 05 Apr 2011 00:12:06 +0200	[thread overview]
Message-ID: <m3iputsm2x.fsf@unquote.localdomain> (raw)
In-Reply-To: <874o6d1xua.fsf@gmx.at> (Andreas Rottmann's message of "Tue, 05 Apr 2011 00:00:13 +0200")

On Tue 05 Apr 2011 00:00, Andreas Rottmann <a.rottmann@gmx.at> writes:

> Andy Wingo <wingo@pobox.com> writes:
>
>> How long does the standard unix utility take, for the record?
>>
> On a tmpfs, with the same ZIP file:
>
> unzip ~/public_html/tmp/bundles/xitomatl-20110103.zip  0.07s user 0.03s system 77% cpu 0.135 total

OK, so Guile (in its standard, "generic" configuration) is about 100
times slower (7.7s) than well-optimized native code.  I guess the
positive way to spin that is that it's great that we have so much room
for improvement ;-)

Andy
-- 
http://wingolog.org/



      reply	other threads:[~2011-04-04 22:12 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-22 23:20 Take some lowhanging fruit to speed up R6RS fixnum operations Andreas Rottmann
2011-03-22 23:20 ` [PATCH] " Andreas Rottmann
2011-03-24 21:51   ` Ludovic Courtès
2011-03-24 23:42     ` Andreas Rottmann
2011-03-25 12:16       ` Andreas Rottmann
2011-03-27 15:19         ` Ludovic Courtès
2011-03-27 22:20           ` Andreas Rottmann
2011-03-29 11:05 ` Andy Wingo
2011-03-30  1:37   ` Andreas Rottmann
2011-03-30 10:31   ` Andreas Rottmann
2011-03-30 10:58   ` Andreas Rottmann
2011-04-02 17:42     ` R6RS fixnum arithmetic optimizations Andreas Rottmann
2011-04-02 17:42       ` [PATCH 1/3] Add a few benchmarks for R6RS fixnum arithmetic Andreas Rottmann
2011-04-02 17:42       ` [PATCH 2/3] Several optimizations " Andreas Rottmann
2011-04-02 17:42       ` [PATCH 3/3] Add `fixnum?' VM primitive Andreas Rottmann
2011-04-04 21:53         ` Andy Wingo
2011-04-05  0:14           ` Andreas Rottmann
2011-04-06 12:42             ` define-inlinable Ludovic Courtès
2011-04-06 21:30               ` define-inlinable Andreas Rottmann
2011-04-06 22:24                 ` define-inlinable Ludovic Courtès
2011-04-11 16:56                   ` define-inlinable Andy Wingo
2011-04-11 20:01                     ` define-inlinable Ludovic Courtès
2011-04-11 21:05                       ` define-inlinable Andy Wingo
2011-04-11 22:11                         ` define-inlinable Andreas Rottmann
2011-04-07 15:57             ` [PATCH 3/3] Add `fixnum?' VM primitive Ludovic Courtès
2011-04-04 21:28     ` Take some lowhanging fruit to speed up R6RS fixnum operations Andy Wingo
2011-04-04 22:00       ` Andreas Rottmann
2011-04-04 22:12         ` Andy Wingo [this message]

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