http://anandtech.com/tradeshows/showdoc.aspx?i=3379
Wow, a new type of multi-GPU interface to make CF/SLI obsolete?
Basically it uses a more efficient way of load balancing between GPUs which enables it to achieve near linear scaling with additional GPUs, or so they claim.
Thoughts? On paper, at least, it looks very promising!Lucid, with their Hydra Engine and the Hydra 100 chip, are going in a different direction. With a background in large data set analysis, these guy are capable of intercepting the DirectX or OpenGL command stream before it hits the GPU, analyzing the data, and dividing up scene at an object level. Rather than rendering alternating frames, or screens split on the horizontal, this part is capable of load balancing things like groups of triangles that are associated with a single group of textures and sending these tasks to whatever GPU it makes the most sense to render on. The scene is composited after all GPUs finish rendering their parts and send the data back to the Lucid chip.
EDIT - New article @ Anandtech, a more detailed look at Hydra 100: http://anandtech.com/video/showdoc.aspx?i=3385
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