56 lines
2.0 KiB
Python
56 lines
2.0 KiB
Python
"""
|
|
Copyright (C) 2017-2020 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 extensions.ops.elementwise import Add, Maximum, Minimum, Mul
|
|
from mo.front.common.replacement import FrontReplacementOp
|
|
from mo.graph.graph import Node, Graph
|
|
|
|
|
|
class EltwiseNReplacement(FrontReplacementOp):
|
|
"""
|
|
This replacer substitutes elementwise operation with more than 2 inputs with a number of simple elementwise
|
|
operations with 2 inputs. The replacer supports operations supported by the Eltwise layer.
|
|
"""
|
|
op = 'EltwiseN'
|
|
enabled = True
|
|
|
|
op_to_class_map = {
|
|
'sum': Add,
|
|
'min': Minimum,
|
|
'max': Maximum,
|
|
'mul': Mul,
|
|
}
|
|
|
|
def replace_op(self, graph: Graph, node: Node):
|
|
last_node = node
|
|
operation = node.operation
|
|
assert operation in EltwiseNReplacement.op_to_class_map
|
|
op_class = EltwiseNReplacement.op_to_class_map[operation]
|
|
left_connect = node.in_port(0).get_connection()
|
|
|
|
for ind in list(node.in_ports())[1:]:
|
|
attrs = {'name': node.name + '/' + operation + '_' + str(ind)}
|
|
attrs.update({'axis': node.axis} if node.has_valid('axis') else {})
|
|
# Create node
|
|
eltwise_op = op_class(graph, attrs).create_node()
|
|
# Connect nodes
|
|
left_connect.set_destination(eltwise_op.in_port(0))
|
|
left_connect = eltwise_op.out_port(0).get_connection()
|
|
node.in_port(ind).get_connection().set_destination(eltwise_op.in_port(1))
|
|
last_node = eltwise_op
|
|
return [last_node.id]
|