Created by: gobigrassland

使用PLSC调用从源码编译的paddlepaddle，出现了如下问题： Operator "c_allgather" has not been registered. 不知该如何解决。 直接使用pip安装的paddlepaddle可以正常运行。之所以自己源码编译paddlepaddle是想深入了解代码，方便日后根据需求做一些定制化开发。

具体错误信息如下：

File "train_multi_input.py", line 66, in train_multi_input() File "train_multi_input.py", line 62, in train_multi_input ins.train() File "PLSC_multi_modelParal_acm/plsc/entry.py", line 948, in train dist_strategy=strategy, File "PLSC_multi_modelParal_acm/plsc/entry.py", line 448, in build_program batch_multi_list=self.train_batch_size_multi File "PLSC_multi_modelParal_acm/plsc/models/base_model.py", line 169, in get_output batch_multi_list=batch_multi_list) File "PLSC_multi_modelParal_acm/plsc/models/dist_algo.py", line 1244, in distributed_arcface_classify param_attr=param_attr) File "PLSC_multi_modelParal_acm/plsc/models/dist_algo.py", line 977, in arcface_classify norm_x, nranks=self.nranks, use_calc_stream=True) File "python2.7/dist-packages/paddle/fluid/layers/collective.py", line 128, in _c_allgather 'use_calc_stream': use_calc_stream File "python2.7/dist-packages/paddle/fluid/layer_helper.py", line 43, in append_op return self.main_program.current_block().append_op(*args, **kwargs) File "python2.7/dist-packages/paddle/fluid/framework.py", line 2610, in append_op attrs=kwargs.get("attrs", None)) File "python2.7/dist-packages/paddle/fluid/framework.py", line 1870, in init proto = OpProtoHolder.instance().get_op_proto(type) File "python2.7/dist-packages/paddle/fluid/framework.py", line 1751, in get_op_proto raise ValueError("Operator "%s" has not been registered." % type) ValueError: Operator "c_allgather" has not been registered