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Re:How GPUs Work by oneofthose on Monday December 15, 2014 @11:40AM (#8752819)
There is an excellent slide deck by Kayvon Fatahalian [0] that I consider to be the best high-level introduction into the topic (especially if you have a deeper understanding of how a CPU works). But I agree, more detailed insights would be great.

[0] http://s08.idav.ucdavis.edu/fatahalian-gpu-architecture.pdf

Re:How GPUs Work by tmurray on Monday December 15, 2014 @03:40PM (#8754311)
Kayvon teaches at Carnegie Mellon now and his class slides are definitely worth reading:

http://graphics.cs.cmu.edu/courses/15869/fall2014/ http://15418.courses.cs.cmu.edu/spring2014/