Potential Speedup - gcc-3.2.x compiling large c++ projects

Greg Schafer gschafer at zip.com.au
Mon Feb 17 04:45:48 PST 2003

On Mon, Feb 17, 2003 at 11:51:28AM +0000, Chris Lingard wrote:
> Huge increase in speed here, though I am not testing like against like.

Apples and oranges.

> Machine AMD Duron(tm) Processor, cache size : 64 KB, with 512Mb 133 memory
> > e.g. install the tweaked gcc with "--prefix=/opt/gcc-test".
> Had a new system ready to install KDE 3.1 so just used --prefix=/usr
> gcc-3.2.1 + binutils-2.13.1
> Time to compile kdelibs-3.1 ....  217 minutes
> gcc-3.2.2 + your patch + binutils-
> Time to compile kdelibs-3.1 ....  171 minutes

Wow! Better than I thought from my lowly tests. But the gcc c++ guys were
raving about it so it seemed to be worth pursuing. Plus the fact RH saw fit
to use it..

Would still like to see apples compared with apples though.

> Any more patches like that?

Not right now but I'm always on the lookout :-)

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