50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
"""
|
|
Copyright (C) 2018-2020 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 mo.front.common.replacement import FrontReplacementPattern
|
|
from mo.graph.graph import Graph
|
|
from mo.ops.memoryoffset import MemoryOffset
|
|
from mo.ops.result import Result
|
|
|
|
|
|
class SplitMemoryOffsets(FrontReplacementPattern):
|
|
'''
|
|
Split MemoryOffsets in 2 parts to cut cycles
|
|
'''
|
|
enabled = True
|
|
run_not_recursively = True
|
|
|
|
def run_after(self):
|
|
from extensions.front.restore_ports import RestorePorts
|
|
return [RestorePorts]
|
|
|
|
def pattern(self):
|
|
return dict(
|
|
nodes=[
|
|
('mem_offset', dict(kind='op', op='MemoryOffset', splitted=False))
|
|
],
|
|
edges=[]
|
|
)
|
|
|
|
@staticmethod
|
|
def replace_pattern(graph: Graph, match: dict):
|
|
offset_node = match['mem_offset']
|
|
paired_node = MemoryOffset(graph, {'name': offset_node.pair_name, 'splitted': True, 'pair_name': offset_node.id,
|
|
't': offset_node.t, 'has_default': offset_node.has_default}).create_node()
|
|
offset_node['splitted'] = True
|
|
offset_node.out_port(0).get_connection().set_source(paired_node.out_port(0))
|
|
res_node = Result(graph, {'name': offset_node.id+"_output"}).create_node()
|
|
offset_node.out_port(0).connect(res_node.in_port(0))
|