Re: Fixed point cairo.. or no cairo?



On Mon, 2006-08-21 at 23:11 -0400, Behdad Esfahbod wrote:
> This just confirmed that an optimized branch on x86 is basically free:

	Which is to be expected; at least with a separate integer unit & FPU
[ all modern desktop CPUs ], but it's good to have measured that.

	Of course the memory fetch may not be quite so cheap, and the space
cost of adding an extra byte ( -> 4/8 bytes for alignment ) at the end
of each matrix may be measurable; hence the suggestion of separating the
flags [ which would also avoid translation to/from cairo_matrix_t's ].

	Regards,

		Michael.

-- 
 michael meeks novell com  <><, Pseudo Engineer, itinerant idiot





[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]