38 lines
1.6 KiB
Python
38 lines
1.6 KiB
Python
"""
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Copyright (C) 2018-2020 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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from mo.back.replacement import BackReplacementPattern
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from mo.front.common.partial_infer.utils import int64_array
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from mo.front.tf.graph_utils import create_op_node_with_second_input
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from mo.graph.graph import Graph
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from mo.ops.squeeze import Squeeze
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class GatherTreeNormalizer(BackReplacementPattern):
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enabled = True
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force_clean_up = True
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def find_and_replace_pattern(self, graph: Graph):
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for node in graph.get_op_nodes(type='GatherTree'):
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name = node.soft_get('name', node.id)
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assert 3 in node.in_ports() and not node.in_port(3).disconnected()
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end_token_shape = node.in_port(3).data.get_shape()
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assert end_token_shape is not None
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if end_token_shape.size == 1 and end_token_shape.ndim == 1:
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squeeze = create_op_node_with_second_input(graph, Squeeze, int64_array([0]),
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{'name': name + '/Squeeze', 'override_output_shape': True})
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node.in_port(3).get_connection().insert_node(squeeze) |