From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: GNAT (GCC) Profile Guided Compilation
Date: Fri, 29 Jun 2012 11:34:19 +0200
Date: 2012-06-29T11:34:19+02:00 [thread overview]
Message-ID: <kzdsund37tsa.pwih72b10p2v.dlg@40tude.net> (raw)
In-Reply-To: dac2857a-6f74-4ecb-a5d2-f6b73fbd0ecc@googlegroups.com
On Fri, 29 Jun 2012 02:17:19 -0700 (PDT), Keean Schupke wrote:
> Anyone have any ideas why profile guided compilation performs so poorly
> with Ada compared to C++?
Probably because you programmed it using low level C-ish stuff like
addresses instead of accessing data directly. In general, if you write a C
program in Ada (or any other language), you cannot expect it do better than
in C. To beat C, the precondition is to design it in Ada way.
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2012-06-29 9:34 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-29 9:17 GNAT (GCC) Profile Guided Compilation Keean Schupke
2012-06-29 9:34 ` Dmitry A. Kazakov [this message]
2012-06-29 10:01 ` Keean Schupke
2012-06-29 10:24 ` Keean Schupke
2012-06-29 12:26 ` stefan-lucks
2012-06-29 12:51 ` Keean Schupke
2012-06-29 12:05 ` Dmitry A. Kazakov
2012-06-29 10:48 ` Simon Wright
2012-06-29 11:14 ` Keean Schupke
2012-06-29 12:39 ` gautier_niouzes
2012-06-29 12:52 ` Keean Schupke
2012-06-29 14:14 ` gautier_niouzes
2012-06-29 15:05 ` gautier_niouzes
2012-06-29 17:03 ` Keean Schupke
2012-07-01 9:29 ` Georg Bauhaus
2012-07-01 17:45 ` Georg Bauhaus
2012-07-01 22:57 ` Keean Schupke
2012-07-02 17:15 ` Georg Bauhaus
2012-07-02 17:26 ` Keean Schupke
2012-07-02 23:48 ` Keean Schupke
2012-07-04 10:38 ` Georg Bauhaus
2012-07-04 10:57 ` Keean Schupke
2012-07-04 12:36 ` Mark Lorenzen
2012-07-04 12:38 ` Georg Bauhaus
2012-07-14 20:17 ` Keean Schupke
2012-07-14 20:33 ` Keean Schupke
2012-07-14 20:43 ` Niklas Holsti
2012-07-14 22:32 ` Keean Schupke
2012-07-14 23:40 ` Keean Schupke
2012-07-15 7:15 ` Niklas Holsti
2012-07-15 8:27 ` Keean Schupke
2012-07-18 10:01 ` Georg Bauhaus
2012-07-18 17:36 ` Keean Schupke
2012-07-19 5:42 ` Georg Bauhaus
2012-07-19 10:18 ` Keean Schupke
2012-07-15 11:02 ` Niklas Holsti
2012-07-15 12:48 ` Keean Schupke
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