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Re: [Bug-gnubg] compiling with optimization

From: Jon Kinsey
Subject: Re: [Bug-gnubg] compiling with optimization
Date: Wed, 19 Nov 2003 14:40:37 +0000

At 14:28 19/11/2003, Jim Segrave wrote:
On Wed 19 Nov 2003 (08:17 +0000), Jon Kinsey wrote:
> At 00:14 19/11/2003, ?ystein Johansen wrote:
> >Nardy Pillards wrote:
> >>>I guess Nardy's builds also use -O3. Nardy?
> >>They did use 03, but changed it to -0 when 03 gave probs with 3D.
> >
> >I just used -O3 on a build with the 3D board here, and I didn'y have any
> >problems. (Though I have updated my 3D driver)
> I've used -O3 too with no problems.  What problems did you get Nardy?
> Also Achim, did you try -O (or -O1), perhaps it's also similiar in speed to
> -O2/3?

I think we also saw a problem with the MAC version where calculating
shadows was broken, reducing from O3 fixed it.

There where problems, but not to do with O3 - as far as I know. I remember Nardy mentioning that -Os messes up the met table or something, I've not looked at any optimization problems (for the 3d code).


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