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Kernel Space: Memory Management for Graphics Processors

Nov 15, 2007, 12:15 (0 Talkback[s])
(Other stories by Jonathan Corbet)

"The management of video hardware has long been an area of weakness in the Linux system (and free operating systems in general). The X Window System tends to get a lot of the blame for problems in this area, but the truth of the matter is that the problems are more widespread and the kernel has never made it easy for X to do this job properly. Graphics processors (GPUs) have gotten steadily more powerful, to the point that, by some measures, they are the fastest processor on most systems, but kernel support for the programming of GPUs has lagged behind. A lot of work is being done to remedy this situation, though, and an important component of that work has just been put forward for inclusion into the mainline kernel..."

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