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

30 lines
1.0 KiB
Python

# Copyright (C) 2018-2021 Intel Corporation
# SPDX-License-Identifier: Apache-2.0
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)