Method resolve_hazard

python/paddle/base/framework.py:5853–5872

(self)

        core.graph_safe_remove_nodes(self.graph, original_nodes)

    def resolve_hazard(self):
        ordered_nodes = core.topology_sort(self.graph)
        var_nodes = {}
        for node in ordered_nodes:
            if node.is_op() and node.op() is not None:
                for each_var_name in node.op().input_arg_names():
                    if each_var_name not in var_nodes:
                        var_nodes[each_var_name] = [
                            self._find_node_by_name(node.inputs, each_var_name)
                        ]
                for each_var_name in node.op().output_arg_names():
                    if each_var_name not in var_nodes:
                        var_nodes[each_var_name] = [
                            self._find_node_by_name(node.outputs, each_var_name)
                        ]
                    else:
                        var_nodes[each_var_name].append(
                            self._find_node_by_name(node.outputs, each_var_name)
                        )
        self.graph.resolve_hazard(var_nodes)

    def has_circle(self):
        """