Method allreduce

test/distributed/test_c10d_common.py:1532–1536

(self, tensor_list, opts=None)

        return DummyWork()

    def allreduce(self, tensor_list, opts=None):
        for tensor in tensor_list:
            tensor.add_(2)

        return DummyWork()

    def barrier(self, opts=None):
        store = c10d._get_default_store()