[cfe-dev] Compile-time measurements in Chromium

[Nico Weber]

On Tue, Feb 7, 2012 at 11:15 AM, Eric Christopher <echristo at apple.com> wrote:
>
> On Feb 7, 2012, at 8:11 AM, Nico Weber <thakis at chromium.org> wrote:
>
>> nice numbers :-) One thing to keep in mind is that these are
>> compile-time numbers, but the object files generated by clang tend to
>> take ~20% longer to link than the ones generated by gcc, due to chubby
>> debug information.
>
> Chubby or different? I know that gcc uses more of the dwarf standard for
> types than clang does. I'd love to see some of the differences if you
> could get me some bug reports :)

All data I have at the moment is "linking is slower" and the 10k .o
files generated by the two compilers. I filed http://llvm.org/PR11941
as tracking bug, I'll try to come up with some interesting .o files
and will post more information on that bug.

Nico