From the GitHub page: "This project contains our high performance CPU and CUDA versions of the CTC loss, along with bindings for <i>Torch</i>. The library provides a simple C interface, so that it is easy to integrate into deep learning frameworks."
A tutorial: <a href="https://github.com/baidu-research/warp-ctc/blob/master/torch_binding/TUTORIAL.md" rel="nofollow">https://github.com/baidu-research/warp-ctc/blob/master/torch...</a>