58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
"""
|
|
Copyright (c) 2019 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
|
|
|
|
import numpy as np
|
|
|
|
from mo.back.replacement import BackReplacementPattern
|
|
from mo.front.common.partial_infer.utils import int64_array
|
|
from mo.graph.graph import Graph
|
|
from mo.ops.result import Result
|
|
|
|
|
|
class TopKNormalizer(BackReplacementPattern):
|
|
"""
|
|
The transformation converts the second input to the TopK layer from 0D to 1D.
|
|
TODO this pass should be removed when IE suport 0D tensors.
|
|
"""
|
|
enabled = True
|
|
|
|
@staticmethod
|
|
def pattern():
|
|
return dict(
|
|
nodes=[('result', {'type': 'TopK'})],
|
|
edges=[],
|
|
)
|
|
|
|
@staticmethod
|
|
def replace_pattern(graph: Graph, match: dict):
|
|
node = match['result']
|
|
k = node.in_port(1).data.get_value()
|
|
if not isinstance(k, np.ndarray):
|
|
node.in_port(1).data.set_value(int64_array([k]))
|
|
elif k.ndim == 0:
|
|
node.in_port(1).data.set_value(int64_array([k.item()]))
|
|
else:
|
|
log.debug('The "k" input to the TopK layer "{}" is already 1D'.format(node.soft_get('name')))
|
|
|
|
if node.out_port(0).disconnected():
|
|
output = Result(graph, {'name': node.name + '/Result_port_0/'}).create_node()
|
|
node.out_port(0).get_connection().set_destination(output.in_port(0))
|
|
if node.out_port(1).disconnected():
|
|
output = Result(graph, {'name': node.name + '/Result_port_1/'}).create_node()
|
|
node.out_port(1).get_connection().set_destination(output.in_port(0))
|