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from David Bucciarelli
A new version of the video is available here: vimeo.com/8141489
A simple Path tracer demo written in OpenCL. Running at 640x480 on an Intel Q6600 with an ATI HD4870 as GPU. Sorry for the low quality of the video. The sources are available here: davibu.interfree.it/opencl/smallptgpu/smallptGPU.html