openvino/model-optimizer/extensions/back/ScalarConstNormalize.py

37 lines
1.2 KiB
Python

# Copyright (C) 2018-2021 Intel Corporation
# SPDX-License-Identifier: Apache-2.0
from extensions.back.ReshapeMutation import ReshapeMutation
from mo.back.replacement import BackReplacementPattern
from mo.front.common.partial_infer.utils import int64_array
from mo.front.tf.graph_utils import create_op_node_with_second_input
from mo.graph.graph import Graph
from mo.ops.reshape import Reshape
# Temporary nGraph workaround. TODO: REMOVE
class ScalarNormalize(BackReplacementPattern):
enabled = False
force_clean_up = True
def run_before(self):
return [ReshapeMutation]
@staticmethod
def pattern():
return dict(
nodes=[
('op', dict(kind='op', type='Const'))],
edges=[]
)
@staticmethod
def replace_pattern(graph: Graph, match: dict):
node = match['op']
if node.value.ndim == 0:
reshape = create_op_node_with_second_input(graph, Reshape, int64_array([1]),
{'name': node.id + '/Dims'})
node.out_port(0).get_connection().set_source(reshape.out_port(0))
node.out_port(0).connect(reshape.in_port(0))
reshape.infer(reshape)