Merge branch 'paddle-2.0' of https://github.com/SunAhong1993/X2Paddle into paddle-2.0

x2paddle/optimizer/elimination/dygraph/transpose_elimination.py

@@ -252,7 +252,7 @@ class DygraphTransposeElimination(FuseBase):
                     continue
 
                 for l in transpose_layers:
-                    self.delete_layer_with_associated(_graph, l)
+                    _graph.delete_layer(l)
 
                 optimized_transpose_layers.extend(transpose_layers)
                 optimized_reduce_layers.extend(reduce_layers)

x2paddle/optimizer/pattern_matcher.py

@@ -268,7 +268,7 @@ class FuseBase(object):
             first_layer_id = list(match.keys())[0]
             subgraph = get_subgraph("", first_layer_id, graph)
             self.insert_new_layer(subgraph, parameters, match)
-        self.delete_layer(graph)
+        self.delete_match(graph)
         graph.build()
 
     def perform_pattern_matcher(self, graph, match_kind="topo"):
@@ -283,7 +283,7 @@ class FuseBase(object):
             pattern_matcher = PatternMatcher(self.pattern)
             self.matches = pattern_matcher.operate(graph, match_kind)
 
-    def delete_layer(self, graph):
+    def delete_match(self, graph):
         """ 删除不需要的中间layer及其对应参数。
         """
         for match in self.matches:
@@ -298,52 +298,4 @@ class FuseBase(object):
                 if layer_id in subgraph.layers:
                     # layer_id可能是属于子图的，此时删除父layer，即删除整个子图
                     subgraph.layers.pop(layer_id)
-                    
-    def delete_layer_with_associated(self, graph, layer_id):
-        """ 删除不需要的中间layer及其相关连接点。
-        """
-        layer = graph.layers[layer_id]
-        outputs = graph.edges_out.get(layer_id, [])
-        inputs = graph.edges_in.get(layer_id, [])
-
-        assert len(
-            inputs) <= 1, "There should be 0 or 1 input for deleted layer."
-
-        if len(inputs) == 0:
-            for out in outputs:
-                while layer_id in graph.edges_in[out]:
-                    index = graph.edges_in[out].index(layer_id)
-                    del graph.edges_in[out][index]
-
-                input_keys = list(graph.layers[out].inputs.keys())
-                for k in input_keys:
-                    if graph.layers[out].inputs[k] == layer.outputs[0]:
-                        del graph.layers[out].inputs[k]
-
-            del graph.layers[layer_id]
-            if layer_id in graph.edges_in:
-                del graph.edges_in[layer_id]
-            if layer_id in graph.edges_out:
-                del graph.edges_out[layer_id]
-            return
-
-        # 将所有输出layer的输入layer进行替换
-        for out in outputs:
-            for i in range(len(graph.edges_in[out])):
-                if graph.edges_in[out][i] == layer_id:
-                    graph.edges_in[out][i] = inputs[0]
-
-        # 将输出layer赋给输入layer的输出
-        replace_index = graph.edges_out[inputs[0]].index(layer_id)
-        del graph.edges_out[inputs[0]][replace_index]
-        for i, out in enumerate(outputs):
-            graph.edges_out[inputs[0]].insert(replace_index + i, out)
-            for k, v in graph.layers[out].inputs.items():
-                if v == layer.outputs[0]:
-                    graph.layers[out].inputs[k] = list(layer.inputs.values())[0]
-
-        del graph.layers[layer_id]
-        if layer_id in graph.edges_out:
-            del graph.edges_out[layer_id]
-        if layer_id in graph.edges_in:
-            del graph.edges_in[layer_id]
+                    
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