From: dewar@gnat.com (Robert Dewar)
Subject: Re: GNAT/Ada95 Streams Performance Issue
Date: 13 Aug 2002 14:11:38 -0700
Date: 2002-08-13T21:11:38+00:00 [thread overview]
Message-ID: <5ee5b646.0208131311.735b9993@posting.google.com> (raw)
In-Reply-To: 3D590D80.201@otelco.net
Larry Hazel <lhhazel@otelco.net> wrote in message news:<3D590D80.201@otelco.net>...
> Robert,
> After reading your reply and trying to remember what I did, I think the byte SIO
> program was the first attempt and not very fast. I vaguely remember doing
> something with direct io and large arrays of bytes for the program that was
> faster than cp.
> Larry
That certainly makes more sense. The trouble is of course
that with Direct_IO you can't deal nicely with the last
partial block (you are also depending very much on impl
dependent choices in how Direct_IO works).
Stream_IO should have the speed advantage without these
disadvantages.
next prev parent reply other threads:[~2002-08-13 21:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3D51ECC9.8020406@cogeco.ca>
2002-08-12 15:09 ` GNAT/Ada95 Streams Performance Issue Waldek Hebisch
2002-08-12 23:49 ` Robert Dewar
2002-08-14 14:53 ` Waldek Hebisch
2002-08-13 1:22 ` Larry Hazel
2002-08-13 8:25 ` Robert Dewar
2002-08-13 13:45 ` Larry Hazel
2002-08-13 21:11 ` Robert Dewar [this message]
2002-08-14 8:58 ` Lutz Donnerhacke
2002-08-14 15:46 Mike Brenner
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