156 lines
6.7 KiB
Python
156 lines
6.7 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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import numpy as np
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from extensions.ops.elementwise import Mul
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from extensions.ops.gather import Gather
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from extensions.ops.interpolate import Interpolate
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from mo.back.replacement import BackReplacementPattern
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from mo.front.caffe.extractors.utils import get_canonical_axis_index
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from mo.front.common.partial_infer.utils import int64_array
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from mo.front.tf.graph_utils import create_op_with_const_inputs, create_op_node_with_second_input
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from mo.graph.graph import Graph
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from mo.ops.shape import Shape
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class InterpolateConcat(BackReplacementPattern):
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"""
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Replaces hard-coded 1-port input of Interpolate with reshape-able sub-graph using the following Concat inputs
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BEFORE:
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input Const
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shape=[1, 3, 30, 40] value=[60, 160]
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\ /
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Interpolate(axes=(2, 3)) input_1
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shape=[1, 3, 60, 160] shape=[1, 4, 60, 160]
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\ /
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Concat(axis=1)
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shape=[1, 7, 60, 160]
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AFTER:
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input
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shape=[1, 3, 30, 40] input_1
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| shape=[1, 4, 60, 160]
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| / |
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| ShapeOf |
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| | |
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| Gather |
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| indices=(2, 3); axis=0 |
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\ | |
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Interpolate(axes=(2, 3)) |
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shape=[1, 3, 60, 160] |
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\ /
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Concat(axis=1)
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shape=[1, 7, 60, 160]
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"""
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enabled = True
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graph_condition = [lambda graph: not graph.graph['cmd_params'].static_shape]
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force_shape_inference = True
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id = 'reshape_interpolate_through_concat'
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@staticmethod
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def make_interpolate_reshapeable(interpolate, concat):
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assert interpolate.soft_get('type') == 'Interpolate'
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assert concat.soft_get('type') == 'Concat'
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output_shape = interpolate.out_port(0).data.get_shape()
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interp_axes = [get_canonical_axis_index(output_shape, axis) for axis in Interpolate.get_axes(interpolate)]
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concat_axis = get_canonical_axis_index(output_shape, concat.axis)
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if concat_axis in interp_axes:
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return
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concat_srcs = [port.get_source() for port in concat.in_ports().values() if not port.disconnected()]
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non_interp_concat_srcs = [src for src in concat_srcs if src.node.soft_get('type') != 'Interpolate']
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if len(non_interp_concat_srcs) == 0:
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return
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graph = interpolate.graph
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src = non_interp_concat_srcs[0]
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shape = Shape(graph, {'name': src.node.soft_get('name', src.node.id) + '/Shape'}).create_node()
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shape.in_port(0).connect(src)
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gather = create_op_with_const_inputs(graph, Gather,
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{1: np.array(interp_axes, dtype=np.int32), 2: int64_array(0)},
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{'name': shape.name + '/Gathered'}, shape)
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interpolate.in_port(1).get_connection().set_source(gather.out_port(0))
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def find_and_replace_pattern(self, graph: Graph):
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for interpolate in graph.get_op_nodes(type='Interpolate', version='opset1'):
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if interpolate.in_port(1).get_source().node.soft_get('type') != 'Const':
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continue
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dsts = interpolate.out_port(0).get_destinations()
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if len(dsts) == 1 and dsts[0].node.soft_get('type') == 'Concat':
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self.make_interpolate_reshapeable(interpolate, dsts[0].node)
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class InterpolateReshapeWA(BackReplacementPattern):
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"""
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Replaces hard-coded 1-port input of Interpolate with reshape-able sub-graph.
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WARNING: Could cause troubles if model has hard-coded Interpolate intentionally -- rare situation
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BEFORE:
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input Const
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shape=[1, 3, 30, 40] value=[60, 160]
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\ /
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Interpolate(axes=(2, 3))
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shape=[1, 3, 60, 160]
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AFTER:
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input
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shape=[1, 3, 30, 40]
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| \
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| ShapeOf
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| |
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| Gather Const
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| indices=(2, 3); axis=0 value=[2, 4]
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| \ /
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| Multiply
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| /
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Interpolate(axes=(2, 3))
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shape=[1, 3, 60, 160]
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"""
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enabled = False
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graph_condition = [lambda graph: not graph.graph['cmd_params'].static_shape]
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force_shape_inference = True
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id = 'reshape_interpolate_wa'
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def run_after(self):
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return [InterpolateConcat]
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@staticmethod
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def make_interpolate_reshapeable(interpolate):
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assert interpolate.soft_get('type') == 'Interpolate'
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axes = Interpolate.get_axes(interpolate)
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input_shape = interpolate.in_port(0).data.get_shape()
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output_shape = interpolate.out_port(0).data.get_shape()
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if not np.all(np.remainder(output_shape, input_shape) == 0) and \
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not np.all(np.remainder(input_shape, output_shape) == 0):
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return
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graph = interpolate.graph
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name = interpolate.soft_get('name', interpolate.id)
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shape = Shape(graph, {'name': name + '/ShapeOf'}).create_node()
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shape.in_port(0).connect(interpolate.in_port(0).get_source())
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gather = create_op_with_const_inputs(graph, Gather, {1: np.array(axes, dtype=np.int32), 2: int64_array(0)},
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{'name': shape.name + '/Gathered'}, shape)
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multipliers = output_shape[axes] / input_shape[axes]
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mul = create_op_node_with_second_input(graph, Mul, multipliers, {'name': gather.name + '/Multiplied'}, gather)
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interpolate.in_port(1).get_connection().set_source(mul.out_port(0))
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def find_and_replace_pattern(self, graph: Graph):
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for interpolate in graph.get_op_nodes(type='Interpolate', version='opset1'):
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if interpolate.in_port(1).get_source().node.soft_get('type') == 'Const':
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self.make_interpolate_reshapeable(interpolate) |