[SDL] Just a curious question

Sam Lantinga slouken at devolution.com
Fri Aug 6 14:14:05 PDT 1999

>   Does anyone elses SDL app run much faster as root? All Im doing is creating a
> single surface and doing a direct access to the surface to draw some pixels.
> The surface is just created using SDL_SWSURFACE so it should be in system mem.
> Heres some averages for the user and the root running from TOP.  Also when I
> run it as root, the memory the program uses goes from 3megs to 36 megs, whys
> this?

This is very strange.  Is the application running fullscreen?
If so, it can memory map the video memory (which shows up as app memory)
and set the MTRR range.

	-Sam Lantinga				(slouken at devolution.com)

Lead Programmer, Loki Entertainment Software
"Any sufficiently advanced bug is indistinguishable from a feature"
						 -- Rich Kulawiec 

More information about the SDL mailing list