When running under a Xrender compositing manager like 'xcompmgr -c -C -f' or the new metacity compositor with version 169.04 on a Quadro NVS 135M I get quite a low performance with noticeable delays when changing workspaces or even just scrolling on firefox. It gets a lot better after the chip changes from 169 Mhz to 400 Mhz, but the change takes around 2-3 seconds which is annoying. Could this be improved?
More generally, do the nvidia folk around here welcome some sort of profiling with their driver posted here to look for hotspots that could be optimized? (these would mostly be with sysprof)