From: Georg Bauhaus <rm.dash-bauhaus@futureapps.de>
Subject: Re: Use aggregates (Was: Allocation question)
Date: Tue, 12 May 2009 13:14:36 +0200
Date: 2009-05-12T13:14:36+02:00 [thread overview]
Message-ID: <4a095a1c$0$30231$9b4e6d93@newsspool1.arcor-online.net> (raw)
In-Reply-To: <4a09586d$0$30224$9b4e6d93@newsspool1.arcor-online.net>
Georg Bauhaus schrieb:
> Brian Drummond schrieb:
>
>> If anything gives Ada the reputation for inefficiency and bloat, it's that sort
>> of missed opportunity, and not the language itself.
>
> (Did you try this with C99's variable length arrays?)
>
>> There is no fundamental reason why the compiler can't do as good a job as I can
>> at unrolling that into loops. And unfortunately, you have thrown away half the
>> point of using Ada, if you have to write C in Ada to match the performance of C.
>
> GNAT does seem to emit loop instructions for the following
> input. I get a REPZ in the assembly listing.
Which is beside the point. Please forget this.
next prev parent reply other threads:[~2009-05-12 11:14 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-11 10:23 Allocation question Olivier Scalbert
2009-05-11 10:38 ` Georg Bauhaus
2009-05-11 10:40 ` Ludovic Brenta
2009-05-11 12:14 ` Olivier Scalbert
2009-05-11 12:18 ` Ludovic Brenta
2009-05-11 13:01 ` Olivier Scalbert
2009-05-11 12:26 ` Jacob Sparre Andersen
2009-05-11 13:27 ` Ludovic Brenta
2009-05-11 10:51 ` Use aggregates (Was: Allocation question) Jacob Sparre Andersen
2009-05-11 11:46 ` Olivier Scalbert
2009-05-11 12:16 ` Ludovic Brenta
2009-05-11 21:26 ` sjw
2009-05-12 5:58 ` GNAT, aggregates and efficiency (Was: Use aggregates) Jacob Sparre Andersen
2009-05-12 18:57 ` sjw
2009-05-12 7:47 ` Use aggregates (Was: Allocation question) Martin
2009-05-12 10:24 ` Brian Drummond
2009-05-12 11:07 ` Georg Bauhaus
2009-05-12 11:14 ` Georg Bauhaus [this message]
2009-05-12 21:18 ` Randy Brukardt
2009-05-13 16:38 ` Martin
2009-05-13 20:38 ` Randy Brukardt
2009-05-14 10:48 ` Martin
2009-05-12 9:13 ` Emacs Stephen Leake
2009-05-12 9:38 ` Emacs Ludovic Brenta
2009-05-12 9:46 ` Emacs Olivier Scalbert
2009-05-11 10:57 ` Allocation question Philipp Riegger
2009-05-11 12:18 ` Georg Bauhaus
2009-05-11 12:36 ` Philipp Riegger
2009-05-11 23:32 ` Brian Drummond
2009-05-12 1:09 ` tmoran
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