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

Matt Zimmerman mdz at
Wed Jun 28 16:33:46 BST 2006

On Fri, Jun 23, 2006 at 07:16:38AM +0100, James Laver wrote:
> As far as I'm concerned, that's 1 part of it. The problem with ubuntu
> is it's a binary distribution, and therefore it can't take specific
> advantage of the hardware on which it's being run (just like windows
> can't). Now I know things like mplayer have the dynamic extensions
> thingy where they select what code to run based on the processor's
> capabilities, which is great, but what about 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.

 - mdz

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