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I already made a comment about Apple's GPU here: https://news.ycombinator.com/item?id=14021814 https://news.ycombinator.com/item?id=14021814 Apple actually has
by jordskott 10y ago
I already made a comment about Apple's GPU here: https://news.ycombinator.com/item?id=14021814 https://news.ycombinator.com/item?id=14021814
Apple actually has its own mobile GPU, built from scratch.
The Tile-Based Deferred Rendering GPU is an advantage from the GPU sharing the same memory with the GPU. On a normal desktop GPU you need to transfer huge amounts of data from the main CPU RAM to the Video Ram but on a mobile device, the CPU and the GPU sit both on the same memory system. This allows you to architecture your GPU in a different way.
Both ARM's Mali and Qualcomm's Adreno use Tile-Based Deferred Rendering.
- AlphaSite 10y agoBoth Nvidia and AMD have already switched or are moving towards tile based rendered to reduce bandwidth (and hence energy) costs.
- monocasa 10y agoSource? That's a huge architectural change for them.
- kevindqc 10y agohttp://www.realworldtech.com/tile-based-rasterization-nvidia-gpus/ http://www.realworldtech.com/tile-based-rasterization-nvidia...
- monocasa 10y agoSo that's tile based rasterization not tile based rendering. There's a huge difference. This is basically just a cache before the ROPs write into DRAM. EDIT: Also, I don't think his test is proving what he thinks it is.