49 lines
2.3 KiB
Python
49 lines
2.3 KiB
Python
"""
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Copyright (C) 2018-2020 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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from mo.graph.graph import Graph
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from mo.middle.replacement import MiddleReplacementPattern
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from mo.ops.memoryoffset import MemoryOffset
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from mo.ops.result import Result
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class SplitTdnnMemoryOffset(MiddleReplacementPattern):
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'''
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Splits MemoryOffsets in TDNN blocks into 2 parts. These parts then will be converted to ReadValue and Assign.
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'''
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enabled = True
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run_not_recursively = True
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def run_before(self):
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from extensions.middle.ReplaceMemoryOffsetWithSplice import ReplaceMemoryOffsetWithMemoryNodePattern, ReplaceMemoryOffsetNodePattern
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return [ReplaceMemoryOffsetNodePattern, ReplaceMemoryOffsetWithMemoryNodePattern]
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def find_and_replace_pattern(self, graph: Graph):
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for offset_node in graph.get_op_nodes(op='MemoryOffset', splitted=False):
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paired_node = MemoryOffset(graph, {'name': offset_node.pair_name, 'splitted': True, 'pair_name': offset_node.id,
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't': offset_node.t, 'has_default': offset_node.has_default}).create_node()
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offset_node['splitted'] = True
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offset_node.out_port(0).get_connection().set_source(paired_node.out_port(0))
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res_node = Result(graph, {'name': offset_node.id + "_output"}).create_node()
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offset_node.out_port(0).connect(res_node.in_port(0))
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# If 'element_size' is previously copied from Parameter of from node with defined dim
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if offset_node.has_valid('element_size'):
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paired_node['element_size'] = offset_node['element_size']
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# Copy shape from previous node. Typically (but not always) for TDNN blocks this is the case
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else:
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paired_node['element_size'] = offset_node.in_port(0).data.get_shape()[1]
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