From: Jeffrey A Law <law@cygnus.com>
To: Brian Glendenning <bglenden@aoc.nrao.edu>
Cc: egcs@cygnus.com
Subject: Re: egcs 1.0.2 c++ .o size
Date: Fri, 27 Mar 1998 15:18:00 -0000 [thread overview]
Message-ID: <6339.890926111@hurl.cygnus.com> (raw)
In-Reply-To: <35184EE6.575F538E@aoc.nrao.edu>
In message < 35184EE6.575F538E@aoc.nrao.edu >you write:
> We have a largish (wc -l *.cc *.h = 780k) set of libraries and
> applications (primarily) written in C++. The code is fairly heavily
> templated.
>
> While trying egcs, I noticed that the .o files and resulting executables
> are about 50% larger than their g++ 2.7.2 counterparts when compiled
> optimized (-O2 in both cases) on solaris. Is this common, or is
> something bad probably happening (e.g. inlines going static). If
> something bad is probably happening, what are the usual suspects?
>
> Our binaries are already embarrasingly large - I'd hate to have them
> become 50% more so!
It could be the exception handling overhead. Use objdump -h to
look at the sizes of various sections. The name of whatever section
accounts for the growth would probably be enough information for us
to help you with this problem.
jeff
next prev parent reply other threads:[~1998-03-27 15:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-03-24 16:25 Brian Glendenning
1998-03-27 15:18 ` Joern Rennecke
1998-03-27 15:18 ` Brian Glendenning
1998-03-31 0:46 ` Jim Wilson
1998-03-27 15:18 ` Jeffrey A Law [this message]
1998-03-26 18:14 Mike Stump
1998-03-30 16:18 Mike Stump
1998-04-01 13:41 ` Brian Glendenning
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