Files
openvino/model-optimizer/extensions/back/TransposeReduceFusing.py
2021-03-05 11:57:42 +03:00

81 lines
3.3 KiB
Python

"""
Copyright (C) 2018-2021 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.
"""
from typing import Dict
import numpy as np
from extensions.back.FuseTransposesSequence import FuseTransposesSequence
from extensions.back.ReduceMerge import ReduceMerge
from extensions.ops.ReduceOps import reduce_map
from extensions.ops.gather import Gather
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_with_const_inputs
from mo.graph.graph import Graph, Node
class TransposeReduce(BackReplacementPattern):
"""
Fuse Transpose--->Reduce to Reduce with correct reduce axis input
"""
# TODO: Make another implementation, this is a temporary solution for one case
enabled = True
force_clean_up = True
def run_before(self):
return [ReduceMerge]
def run_after(self):
return [FuseTransposesSequence]
@staticmethod
def pattern():
return dict(
nodes=[
('transpose_const', dict(kind='op', type='Const', value=lambda v: v is not None and
np.array_equal(v, int64_array([0, 2, 3, 1])))),
('transpose_const_data', dict(kind='data')),
('transpose', dict(kind='op', type='Transpose')),
('transpose_data', dict(kind='data')),
('reduce_const', dict(kind='op', type='Const', value=lambda v: v is not None and
np.array_equal(v, int64_array([1, 2])))),
('reduce_const_data', dict(kind='data')),
('reduce', dict(kind='op', type=lambda t: t in reduce_map.keys(), keep_dims=False))
],
edges=[
('transpose_const', 'transpose_const_data'),
('transpose_const_data', 'transpose', {'in': 1}),
('transpose', 'transpose_data'),
('transpose_data', 'reduce', {'in': 0}),
('reduce_const', 'reduce_const_data'),
('reduce_const_data', 'reduce', {'in': 1})
]
)
@staticmethod
def replace_pattern(graph: Graph, match: Dict[str, Node]):
transpose = match['transpose']
reduce = match['reduce']
gather = create_op_with_const_inputs(graph, op=Gather, port_value_dict={2: int64_array(0)},
op_attrs={'name': reduce.name + 'Gather'})
transpose.in_port(1).get_connection().set_destination(gather.in_port(0))
reduce.in_port(1).get_connection().set_destination(gather.in_port(1))
gather.out_port(0).connect(reduce.in_port(1))
transpose.out_port(0).disconnect()
transpose.in_port(0).get_connection().set_destination(reduce.in_port(0))