openvino/model-optimizer/extensions/front/mxnet/check_softmax_node_inputs.py

43 lines
1.2 KiB
Python

# Copyright (C) 2018-2021 Intel Corporation
# SPDX-License-Identifier: Apache-2.0
from mo.front.common.replacement import FrontReplacementPattern
from mo.graph.graph import Graph
class CheckSoftmaxNodeInputs(FrontReplacementPattern):
enabled = True
def run_before(self):
from extensions.front.user_data_repack import UserDataRepack
return [UserDataRepack]
def run_after(self):
return []
@staticmethod
def pattern():
return dict(
nodes=[
('softmax', dict(op=lambda op: op in ['SoftMax', 'SoftmaxActivation', 'SoftmaxOutput']))
],
edges=[])
@staticmethod
def replace_pattern(graph: Graph, match: dict):
"""
Need to remove from softmax layer all unused inputs
Parameters
----------
graph : Graph
Graph with loaded model.
match : dict
Patterns which were found in graph structure.
"""
softmax_node = match['softmax']
softmax_nodes_len = len(softmax_node.in_nodes())
for i in reversed(range(1, softmax_nodes_len)):
in_node = softmax_node.in_node(i)
graph.remove_edge(in_node.id, softmax_node.id)
graph.remove_node(in_node.id)