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Re: Suggestions for improving gcc 3.2 compilation speed?


Karel Gardas <kgardas at objectsecurity dot com> writes:

> On Fri, 7 Mar 2003, Benjamin Kosnik wrote:
> 
> > > I have a g++ compiler that is 5.6x faster than the current g++ when
> > > compiling large C++ code bases. That's when compared to a g++ PCH,
> > > without it, more like 8x to 16x faster when PCH isn't used.
> >
> > Your PCH numbers are interesting to me.
> >
> > I cannot get PCH to work with g++. How are you able to do this? Are you
> > generating individual .pch files for each header (don't see any
> > significant speed improvement), or are you using -include
> > big_globbed_header.h.pch (and if so, can you port the patches to do this
> > to mainline g++, because it currently doesn't work), or is there another
> > approach?
> >
> 
> I'm also interested since I still see while using PCH (at least on 2 weeks
> old main-trunk sources) already defined symbol assembler error messages.
> Problem reported: http://gcc.gnu.org/ml/gcc/2003-01/msg00419.html

Darwin uses stabs at the moment, so Mike won't see the DWARF problems
you're seeing.

-- 
- Geoffrey Keating <geoffk at geoffk dot org>


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