Add CUDA version#1
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ipatix wants to merge 6 commits into
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Although double is not really a problem on the datacenter GPUs, the register spilling by the large values increases register pressure. Using singles reduces the required register count to <= 32, thus gives a better occupancy.
This one uses CUDA arrays to use texture fetching hardware. Precision is not as good, but the performance is better.
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This PR adds a CUDA version for RabbitCT. The implemention is fairly naive and based on the original LolaBunny.c.