On Sun, 2006-10-29 at 13:36 +0100, Marco Calviani wrote: > Hi list, > the slowness of AIGLX was due to the fact that i was running > xorg-server without enabling the aiglx flag.
what aiglx flag? $ equery u xorg-server | grep -i aiglx $ <nothing> > After having enabled it > xorg started running with AIGLX (using compiz or beryl). > Although the system is quite usable there is still an issue: i thought > the system would have relied completely on video card acceleration. > However whenever i run an AIGLX effect such as the cube or just window > moving the CPU goes up to 80-90% during all the time the effect is > running. This behaviour makes the system A LOT less responsive than it > is without AIGLX. > Is this a known issue? I think it can depend on the driver. With some versions of ati-drivers, the CPU is used to help the GPU, and I get great frame rates. With other version of ati-drivers (including 8.28.8 and 8.29.6) the cpu usages stays low for all 3d, and I get crap framerates... don't know if this is your issue, but it sounds similar. HTH, -- Iain Buchanan <iaindb at netspace dot net dot au> If you knew what to say next, would you say it? -- gentoo-user@gentoo.org mailing list