[Sugar-devel] Cairo performance (was Re: SVG performance)

Jim Gettys jg at laptop.org
Tue Dec 9 07:37:40 EST 2008



On Tue, 2008-12-09 at 14:29 +0530, Sayamindu Dasgupta wrote:

> 
> There's a cairo configure option:
> 
>   --disable-some-floating-point
>                           Disable certain code paths that rely heavily on
>                           double precision floating-point calculation. This
>                           option can improve performance on systems without a
>                           double precision floating-point unit, but might
>                           degrade performance on those that do.
> 
> 
> Maybe someone can do some tests with this flag on. I'm totally
> clueless about the capabilities of the XO CPU, but it might be an
> interesting thing to try out.

May be worth trying, but the last I knew it didn't do anything (see
attached), but was present primarily to aid people who wanted to
experiment with such code paths.
                         - Jim


-- 
Jim Gettys <jg at laptop.org>
One Laptop Per Child
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