F17 Graphical performance

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http://forums.fedoraforum.org – Hello, I developed a Multi-window Graphical application under FC14 64 bit, which comprise Tactical Situation Displays, aeronautical instruments, raster maps, sensor panels etc, and it worked fine. Now I've installed FC17 16 bit, but the performance of the application degraded considerably. My workstation is HP Z800 dua processor quadcore, with 16 GB Ram NVIDIA quadro 5800 FX I've also updated the NVIDIA drivers. I can make a direct comparison because I've both operating systems (FC 17 and FC 17), with the application resident on a third disk. and when i boot with a different OS (FC14 o 1 (HowTos)