C++11 in LibreOffice
Lubos Lunak
l.lunak at suse.cz
Mon Jul 23 02:07:46 PDT 2012
On Thursday 19 of July 2012, Michael Meeks wrote:
> Having said that, I totally agree, our problems are 95% algorithmic,
> and fiddling with compiler optimiser settings is the last refuge of the
> desperate man ;-)
>
> The thing that concerns me about gcc vs. MSVC++ is not the speed of the
> generated code, but it's size (which impacts startup performance, I/O
> load, memory use etc.). If you checkout the tables you linked the binary
> size column is quite stark:
>
> http://www.willus.com/ccomp_benchmark2.shtml?p18+s12
> http://www.willus.com/ccomp_benchmark2.shtml?p14+s12
>
> in several cases a 2x growth. So - clearly this would need benchmarking
> various ways to see what the story is there with -Os etc.
The other interesting thing in the table is that interprocedural optimization
makes quite a difference with MSVC. It would be quite worth trying that one
out with LO.
--
Lubos Lunak
l.lunak at suse.cz
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