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Global Illumination, 1 bounce, 2²¹ photons.
2.32 ms on RTX3070 (no rtx.)
I think I'm on to something.
Hey @tha_rami, you're a train guy...
I'm trying to kick-start this into reality, but it can use some more eyes on it.
I'll let you spec the train engine's torque and HP if that helps :-)
https://t.co/iiK5Xtd6zQ