pytorch

b0b0f2c6 - Make ProcessGroupAgent take num_send_recv_threads as constructor argument (#26313)

Make ProcessGroupAgent take num_send_recv_threads as constructor argument (#26313) Summary: # Problem If there is not enough number of thread in the RPC Agent thread pool. Some circular dependent works could cause deadlock. The current to way to get around this deadlock is to provide abundant number of threads. # Solution as titled Pull Request resolved: https://github.com/pytorch/pytorch/pull/26313 Differential Revision: D17405491 Pulled By: xush6528 fbshipit-source-id: a1d9b6a84db0371cd4b63328fa00f651c0808485