compiler optimization (Re: ld flag that gives ~40% startup time boost)

Dan Kegel dank at
Wed Jun 28 16:51:56 BST 2006

On 6/28/06, Matt Zimmerman <mdz at> wrote:
> On Fri, Jun 23, 2006 at 07:16:38AM +0100, James Laver wrote:
> > openoffice? OO.o runs a
> > hell of a lot faster on my gentoo box with my relevant compiler flags
> > than it does on ubuntu without them.
> I am, as always, very interested in hard data in these cases.  That is, a
> comparison between Ubuntu's as currently built, and Ubuntu's
> built differently.  One can't assume a gain from compiler
> flags when the same code isn't being built in each case.

Yes, please provide a benchmark showing a concrete improvement
measured in seconds.  (For comparison, I did some benchmarks here:
- Dan

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