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Re: Compilation performance comparison of gcc3.4.1 and gcc3.5.0 2004-08-30 on MICO sources
- From: Steven Bosscher <stevenb at suse dot de>
- To: Karel Gardas <kgardas at objectsecurity dot com>,Paolo Bonzini <bonzini at gnu dot org>
- Cc: GCC Mailing List <gcc at gcc dot gnu dot org>
- Date: Tue, 31 Aug 2004 12:34:03 +0200
- Subject: Re: Compilation performance comparison of gcc3.4.1 and gcc3.5.0 2004-08-30 on MICO sources
- Organization: SUSE Labs
- References: <Pine.LNX.4.43.0408311227330.1006-100000@thinkpad.gardas.net>
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?
3.4.1:
expand : 0.79 ( 6%) usr 0.03 ( 1%) sys 0.78 ( 5%)
3.5.0-HEAD:
expand : 2.08 ( 9%) usr 0.07 ( 4%) sys 2.51 (10%) wall
I wonder why this is. I would have expected it to be the other
way around...
Gr.
Steven