Most of my real-time stuff (mainly signal processing) runs on the GPU and I really like CUDA because it is as simple as C or C++ but allows you to tune your graphic card to get the maximum performance you need for your application. I am using Fedora on all my working PCs and I usually never have any troubles with it. The only really annoying thing is the rather short life cycle of a Fedora release. Moreover, if two releases later the support is stopped and updates are no longer available. Although NVIDIA drivers can be installed on the recent Fedora releases, the CUDA toolkit and the SDK usually need some hacking to before being able to be installed on a release higher than the one officially supported. E.g. the latest supported release of CUDA 4.0 at the moment is Fedora 13, which is no longer maintained and does not get updates since June 24th. This can be an issue for someone who wants to run CUDA, but is not sure if there are severe security holes in the OS that will never be closed because no more updates are available for that release. I understand that it is hard for NVIDIA to follow the short life cycles of the Fedora releases and I really appreciate what the guys from NVIDIA have done for the Linux community, but it would be really great if at least the second oldest release would be supported from the current CUDA toolkit.

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