openvino/model-optimizer/extensions/middle/DeleteNotExecutable.py

43 lines
1.5 KiB
Python

"""
Copyright (C) 2018-2020 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""
import logging as log
from mo.graph.graph import Graph
from mo.middle.replacement import MiddleReplacementPattern
class DeleteNotExecutable(MiddleReplacementPattern):
enabled = True
force_clean_up = True
def run_after(self):
from extensions.middle.TensorIteratorConditionChecker import ConditionChecks
return [ConditionChecks]
def run_before(self):
return []
def find_and_replace_pattern(self, graph: Graph):
nodes_to_remove = set()
for node_name, node_attrs in list(graph.nodes(data=True)):
if node_attrs['kind'] == 'data' and 'executable' in node_attrs and not node_attrs['executable']:
[nodes_to_remove.add(op) for op, _ in graph.in_edges(node_name)]
nodes_to_remove.add(node_name)
log.debug('Removing the following not executable nodes: {}'
''.format('\n'.join(sorted(map(str, nodes_to_remove)))))
graph.remove_nodes_from(nodes_to_remove)