fix find op itself in transformer prune (#1181)

* fix find op itself in transformer prune

* update

paddleslim/auto_compression/transformer_pruner.py

@@ -49,6 +49,22 @@ def find_next_ops(block, var_name):
     return res_ops
 
 
+def find_op_itself(block, var_name, op_type):
+    """
+    Find ops itself from block by the output variable.
+    """
+    res_ops = []
+    for op in block.ops:
+        if var_name in op.output_arg_names:
+            if op.type == op_type:
+                res_ops.append(op)
+    if len(res_ops) > 1:
+        _logger.error(
+            'the function of find_op_itself has more than one op, maybe something wrong.'
+        )
+    return res_ops
+
+
 def insert_eltmul_op(block, op, head_mask, block_num):
     """ Insert elementwise mul op to matmul input_mask and head_mask to program"""
     op_idx = block.ops.index(op)
@@ -305,6 +321,8 @@ class TransformerPruner:
                         next_op = find_next_ops(block, var_name)
                         if next_op[0].type == 'dropout':
                             op = next_op[0]
+                        else:  ### find op itself
+                            op = find_op_itself(block, var_name, op.type())[0]
                         insert_eltmul_op(block, op, head_mask, block_num)
         logits = block.var(fetch_list[0])
         labels = block.create_var(

paddleslim/auto_compression/utils/predict.py

@@ -19,7 +19,7 @@ def with_variable_shape(model_dir, model_filename=None, params_filename=None):
     paddle.enable_static()
     exe = paddle.static.Executor(paddle.CPUPlace())
     [inference_program, feed_target_names, fetch_targets] = (
-        paddle.static.load_inference_model(
+        paddle.fluid.io.load_inference_model(
             model_dir,
             exe,
             model_filename=model_filename,