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Yep! I have a lot of unit/integration tests that were a lot easier to write and more reliable by making the simulation fully-deterministic. It does produce slightly different results on different GPUs due to small differences in the FP operations. (For this application it's really beneficial to let the compiler go crazy with FP re-ordering to get speed.)

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does it benefit from or even require top end GPUs to get the best results?

I've been able to run it on an Intel laptop with integrated video. I haven't been able to test the most complex models / presets, I might give that a shot this weekend and see where it falls apart.

mutagen sums up my experience pretty well -- I have tested it on a laptop with a pretty wimpy Intel Iris chipset and it definitely works, but you might be limited in terms of how complex of a preset you can run. But there is a LOT of fun to be had with small presets so it may still be worthwhile. Be sure to install the absolute most up-to-date drivers from Intel directly, and use a larger buffer size.

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