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Re: Compilation performance comparison of gcc3.4.1 and gcc3.5.02004-08-30 on MICO sources
- From: Karel Gardas <kgardas at objectsecurity dot com>
- To: Steven Bosscher <stevenb at suse dot de>
- Cc: Paolo Bonzini <bonzini at gnu dot org>, GCC Mailing List <gcc at gcc dot gnu dot org>
- Date: Tue, 31 Aug 2004 15:47:48 +0200 (CEST)
- Subject: Re: Compilation performance comparison of gcc3.4.1 and gcc3.5.02004-08-30 on MICO sources
On Tue, 31 Aug 2004, Steven Bosscher wrote:
> On Tuesday 31 August 2004 12:28, Karel Gardas wrote:
> > On Tue, 31 Aug 2004, Paolo Bonzini wrote:
> > > >>>1) typecode.cc: 40% regression on O1 while 7% speedup on O2
> > > >>
> > > >>Can you show us the time report for the 40% regression?
> > >
> > > Also for 3.4.1?
> >
> > Sure!
>
> Hmm... No obvious hot spots eh?
>
BTW: gcc3.4.1 consumes about 66MB of RAM to compile this file, while trunk
consumes about 98MB to compile it and also testing box is pIII mobile with
only 256kb cache, so higher memory usage also might add something to the
regression...
Karel
--
Karel Gardas kgardas@objectsecurity.com
ObjectSecurity Ltd. http://www.objectsecurity.com