OpenCL Galaxies Demo





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Uploaded on Oct 15, 2009

This is the Galaxies Demo running in OpenCL on a Quad Core 2.8GHz Mac Pro with 8800GT (rendered in OpenGL using my 7600GT since there were blank frames in the recorded video when I rendered it on the 8800GT). This is done in real time at 30 FPS.

It shows around 160 Gflops, but I believe that's due to it not wanting to go above 30 FPS. In the 32,000 star version, it does 195 Gflops (but only 9 FPS). In both cases, it's doing about 21 ops per star per star per update. For example:

21 * 16,000 * 16,000 * 30 = 161 Gflops
21 * 32,000 * 32,000 * 9 = 193 Gflops.

Supposedly the GTX285 can get 400 Gflops.

The song is "Space Debris" - a MOD I've had for about 15 years. I thought it was fitting.

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