You can look at MIAOW which is an open source implementation of the AMD Southern Islands GPU ISA.[0] The RTL can be found here [1] The best part is the white

You can look at MIAOW which is an open source implementation of the AMD Southern Islands GPU ISA.[0] The RTL can be found here [1] The best part is the white paper [2], PDF I had been looking around for information similar to ECS[3], building a GPU from first principles and MIAOW is one step closer that. [0] http://miaowgpu.org/index.html http://miaowgpu.org/index.html [1] https://github.com/VerticalResearchGroup/miaow https://github.com/VerticalResearchGroup/miaow [2] https://raw.githubusercontent.com/wiki/VerticalResearchGroup/miaow/files/MIAOW_Architecture_Whitepaper.pdf https://raw.githubusercontent.com/wiki/VerticalResearchGroup... [3] https://www.nand2tetris.org/ https://www.nand2tetris.org/