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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Increasing GNAT's heap
Date: Wed, 13 Nov 2013 18:27:26 +0100
Date: 2013-11-13T18:27:26+01:00	[thread overview]
Message-ID: <u4idj3nx8lvt.x9skvf25cchd.dlg@40tude.net> (raw)
In-Reply-To: 20131113163923.32140110@PC-8N-L

On Wed, 13 Nov 2013 16:39:23 +0100, Oliver Kleinke wrote:

>> I don't believe it has anything to do with GCC. It looks clearly like
>> GNAT issue which, BTW, also leads to extremely sluggish compilation.
>> After all, if you allocate 2+ GB of memory you have to fill it with
>> some junk and that takes time, much time.
> 
> I suppose this has to do with swapping/paging, so the sluggishness might
> not be GNAT's fault.

Certainly no paging, the virtual machine has 8GB free.

Compilation is also sluggish under Windows for both native and VxWorks
targets on a machine with 16GB RAM. Both compile successfully.

[Not to confuse compiling with linking. Linking is also extremely slow,
especially when building a dynamic library, but that is a known GCC issue]

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de


  parent reply	other threads:[~2013-11-13 17:27 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-12 11:09 Increasing GNAT's heap Dmitry A. Kazakov
2013-11-12 13:26 ` Georg Bauhaus
2013-11-12 14:00   ` Dmitry A. Kazakov
2013-11-12 17:31     ` Paul Rubin
2013-11-13  8:00       ` Dmitry A. Kazakov
2013-11-12 19:30     ` Georg Bauhaus
2013-11-12 22:03 ` Florian Weimer
2013-11-13  8:05   ` Dmitry A. Kazakov
2013-11-13 15:41     ` Oliver Kleinke
2013-11-13  8:21 ` Ludovic Brenta
2013-11-13  8:23   ` Ludovic Brenta
2013-11-13  8:58   ` Dmitry A. Kazakov
2013-11-13 11:04     ` Georg Bauhaus
2013-11-13 13:31       ` Dmitry A. Kazakov
2013-11-13 15:39         ` Oliver Kleinke
2013-11-13 16:07           ` Eryndlia Mavourneen
2013-11-13 16:11             ` Eryndlia Mavourneen
2013-11-13 17:27           ` Dmitry A. Kazakov [this message]
2013-11-13 17:41             ` Eryndlia Mavourneen
2013-11-13 18:02               ` Dmitry A. Kazakov
2013-11-13 15:37       ` Oliver Kleinke
2013-11-13 15:32     ` Oliver Kleinke
2013-11-13 17:36       ` Dmitry A. Kazakov
2013-11-13 18:44         ` Oliver Kleinke
2013-11-13 22:08     ` Ludovic Brenta
2013-11-14  8:51       ` Dmitry A. Kazakov
2013-11-14 10:50         ` Georg Bauhaus
2013-11-14 11:16           ` Dmitry A. Kazakov
2013-11-14 13:07 ` Marius Amado-Alves
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