If I recall correctly, a while ago AMD claimed world’s first OpenCL demo, but it was done on a single core (and then scaled up to all four) on a Phenom II X4 CPU. If this video is correct, Nvidia gets the pole position for being the first company to demonstrate OpenCL working on a GPU, which is “usage as intended”.
NVIDIA first to show OpenCL running on a GPU
Posted on Saturday, February 28 2009 @ 20:05 CET by Thomas De Maesschalck
Theo Valich spotted NVIDIA showed off an OpenCL application at Siggraph in December 2008.