pytorch

0087069d - Use torch::get/set_num_threads without additional includes beyond torch/torch.h (#20176)

Use torch::get/set_num_threads without additional includes beyond torch/torch.h (#20176) Summary: Fixes https://github.com/pytorch/pytorch/issues/20130. Pull Request resolved: https://github.com/pytorch/pytorch/pull/20176 Differential Revision: D15275036 Pulled By: yf225 fbshipit-source-id: 0f04e1fbfed18c07030b20e92e957ef5f2b5707d