From: "Randy Brukardt" <randy@rrsoftware.com>
Subject: Re: Performance of the Streams 'Read and 'Write
Date: Mon, 2 Nov 2009 15:32:51 -0600
Date: 2009-11-02T15:32:51-06:00 [thread overview]
Message-ID: <hcnj65$ira$1@munin.nbi.dk> (raw)
In-Reply-To: hcfdpo$p62$1@news.tornevall.net
"Jeffrey R. Carter" <spam.jrcarter.not@spam.acm.org> wrote in message
news:hcfdpo$p62$1@news.tornevall.net...
> Gautier write-only wrote:
>> On 30 Okt., 01:39, "Jeffrey R. Carter"
>> <spam.jrcarter....@spam.acm.org> wrote:
>>
>>> And if you overlay the Stream_Element_Array onto the Buffer, thus
>>> eliminating
>>> the copying and the stream attribute operations?
>>
>> With an Unchecked_conversion ?
>
> No, that still does a copy.
It doesn't have to, there is a permission to avoid copying in 13.9(12). So
it depends on what the compiler is able to do optimization-wise.
Randy.
next prev parent reply other threads:[~2009-11-02 21:32 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-29 23:29 Performance of the Streams 'Read and 'Write Gautier write-only
2009-10-30 0:39 ` Jeffrey R. Carter
2009-10-30 8:58 ` Gautier write-only
2009-10-30 19:12 ` Jeffrey R. Carter
2009-10-31 23:46 ` Gautier write-only
2009-11-01 21:38 ` Gautier write-only
2009-11-02 21:32 ` Randy Brukardt [this message]
2009-10-30 3:36 ` Georg Bauhaus
2009-10-30 9:13 ` Gautier write-only
2009-11-02 21:37 ` Randy Brukardt
2009-11-02 22:16 ` Gautier write-only
2009-10-30 13:40 ` Gautier write-only
2009-11-02 22:19 ` Gautier write-only
2009-11-17 12:57 ` Gautier write-only
2009-11-17 13:26 ` Ludovic Brenta
2009-11-17 20:19 ` Building GNAT on Windows (Was: Re: Performance of the Streams 'Read and 'Write) Tero Koskinen
2009-11-18 10:55 ` Gautier write-only
2009-11-26 13:23 ` Performance of the Streams 'Read and 'Write Gautier write-only
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