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From: Vladimir Makarov <vmakarov@redhat.com>
To: "Joseph S. Myers" <joseph@codesourcery.com>
Cc: Chris Lattner <clattner@apple.com>,
	"gcc.gcc.gnu.org" <gcc@gcc.gnu.org>,
	        Evan Cheng <evan.cheng@apple.com>
Subject: Re: New GCC releases comparison and comparison of GCC4.4 and LLVM2.5   on SPEC2000
Date: Tue, 12 May 2009 18:42:00 -0000	[thread overview]
Message-ID: <4A09BDC3.9070404@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0905121803130.11489@digraph.polyomino.org.uk>

Joseph S. Myers wrote:
> On Tue, 12 May 2009, Chris Lattner wrote:
>
>   
>> 1. I have a hard time understanding the code size numbers.  Does 10% mean that
>> GCC is generating 10% bigger or 10% smaller code than llvm?
>>     
>
> I have a different comment on the code size numbers: could we have 
> comparisons of code size for -Os rather than (or in addition to) -O2 and 
> -O3?  If someone is particularly concerned with code size, -Os is what 
> they are expected to use.
>
>   
Thanks for pointing this, Joseph.

Yes, it would be interesting to see how GCC code size is changed with 
-Os (as the performance too).  But probably it is even more interesting 
for embedded processors.  When I am less busy, I'll try to do it.

  reply	other threads:[~2009-05-12 18:21 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-12 16:27 Vladimir Makarov
2009-05-12 18:05 ` Chris Lattner
2009-05-12 18:21   ` Vladimir Makarov
2009-05-12 19:25     ` Chris Lattner
2009-05-12 22:48       ` Rafael Espindola
2009-05-12 19:41     ` Vladimir Makarov
2009-05-13 12:11       ` Duncan Sands
2009-05-13 12:38         ` Richard Guenther
2009-05-13 12:55           ` Joseph S. Myers
2009-05-13 13:51           ` Duncan Sands
2009-05-26 12:27             ` Chris Lattner
2009-05-26 13:48               ` Vincent Lefevre
2009-05-28 23:00               ` Joseph S. Myers
2009-05-13 20:06         ` Evan Cheng
2009-05-12 18:29   ` Joseph S. Myers
2009-05-12 18:42     ` Vladimir Makarov [this message]
2009-05-13  8:44     ` Andi Kleen
2009-05-13  9:56       ` Jakub Jelinek
2009-05-13 11:32       ` Paolo Bonzini
2009-05-13 11:35         ` Paolo Bonzini
2009-05-13 12:07         ` Andi Kleen
2009-05-13 12:23           ` Steven Bosscher
2009-05-13 12:27             ` Dave Korn
2009-05-13 15:14           ` Paolo Bonzini
2009-05-13 16:16         ` Vladimir Makarov
2009-05-13 17:59           ` Jan Hubicka
2009-05-13 18:11             ` Michael Meissner
2009-05-15 20:19           ` Toon Moene
2009-05-13  6:42   ` Steven Bosscher
2009-05-13  7:33     ` Paolo Bonzini

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