Files
openvino/model-optimizer/extensions/back/InterpolateReshape.py
T
Yegor Kruglov ca889f530d [ MO ] Warnings fix (#5105)
* warnings fix

* remove redundant backslash

* add whitespace in the error message
2021-04-08 14:09:00 +03:00

142 lines
6.1 KiB
Python

# Copyright (C) 2018-2021 Intel Corporation
# SPDX-License-Identifier: Apache-2.0
import numpy as np
from extensions.ops.elementwise import Mul
from extensions.ops.gather import Gather
from extensions.ops.interpolate import Interpolate
from mo.back.replacement import BackReplacementPattern
from mo.front.caffe.extractors.utils import get_canonical_axis_index
from mo.front.common.partial_infer.utils import int64_array
from mo.front.tf.graph_utils import create_op_with_const_inputs, create_op_node_with_second_input
from mo.graph.graph import Graph
from mo.ops.shape import Shape
class InterpolateConcat(BackReplacementPattern):
r"""
Replaces hard-coded 1-port input of Interpolate with reshape-able sub-graph using the following Concat inputs
BEFORE:
input Const
shape=[1, 3, 30, 40] value=[60, 160]
\ /
Interpolate(axes=(2, 3)) input_1
shape=[1, 3, 60, 160] shape=[1, 4, 60, 160]
\ /
Concat(axis=1)
shape=[1, 7, 60, 160]
AFTER:
input
shape=[1, 3, 30, 40] input_1
| shape=[1, 4, 60, 160]
| / |
| ShapeOf |
| | |
| Gather |
| indices=(2, 3); axis=0 |
\ | |
Interpolate(axes=(2, 3)) |
shape=[1, 3, 60, 160] |
\ /
Concat(axis=1)
shape=[1, 7, 60, 160]
"""
enabled = True
graph_condition = [lambda graph: not graph.graph['cmd_params'].static_shape]
force_shape_inference = True
id = 'reshape_interpolate_through_concat'
@staticmethod
def make_interpolate_reshapeable(interpolate, concat):
assert interpolate.soft_get('type') == 'Interpolate'
assert concat.soft_get('type') == 'Concat'
output_shape = interpolate.out_port(0).data.get_shape()
interp_axes = [get_canonical_axis_index(output_shape, axis) for axis in Interpolate.get_axes(interpolate)]
concat_axis = get_canonical_axis_index(output_shape, concat.axis)
if concat_axis in interp_axes:
return
concat_srcs = [port.get_source() for port in concat.in_ports().values() if not port.disconnected()]
non_interp_concat_srcs = [src for src in concat_srcs if src.node.soft_get('type') != 'Interpolate']
if len(non_interp_concat_srcs) == 0:
return
graph = interpolate.graph
src = non_interp_concat_srcs[0]
shape = Shape(graph, {'name': src.node.soft_get('name', src.node.id) + '/Shape'}).create_node()
shape.in_port(0).connect(src)
gather = create_op_with_const_inputs(graph, Gather,
{1: np.array(interp_axes, dtype=np.int32), 2: int64_array(0)},
{'name': shape.name + '/Gathered'}, shape)
interpolate.in_port(1).get_connection().set_source(gather.out_port(0))
def find_and_replace_pattern(self, graph: Graph):
for interpolate in graph.get_op_nodes(type='Interpolate'):
if interpolate.in_port(1).get_source().node.soft_get('type') != 'Const':
continue
dsts = interpolate.out_port(0).get_destinations()
if len(dsts) == 1 and dsts[0].node.soft_get('type') == 'Concat':
self.make_interpolate_reshapeable(interpolate, dsts[0].node)
class InterpolateReshapeWA(BackReplacementPattern):
r"""
Replaces hard-coded 1-port input of Interpolate with reshape-able sub-graph.
WARNING: Could cause troubles if model has hard-coded Interpolate intentionally -- rare situation
BEFORE:
input Const
shape=[1, 3, 30, 40] value=[60, 160]
\ /
Interpolate(axes=(2, 3))
shape=[1, 3, 60, 160]
AFTER:
input
shape=[1, 3, 30, 40]
| \
| ShapeOf
| |
| Gather Const
| indices=(2, 3); axis=0 value=[2, 4]
| \ /
| Multiply
| /
Interpolate(axes=(2, 3))
shape=[1, 3, 60, 160]
"""
enabled = False
graph_condition = [lambda graph: not graph.graph['cmd_params'].static_shape]
force_shape_inference = True
id = 'reshape_interpolate_wa'
def run_after(self):
return [InterpolateConcat]
@staticmethod
def make_interpolate_reshapeable(interpolate):
assert interpolate.soft_get('type') == 'Interpolate'
axes = Interpolate.get_axes(interpolate)
input_shape = interpolate.in_port(0).data.get_shape()
output_shape = interpolate.out_port(0).data.get_shape()
if not np.all(np.remainder(output_shape, input_shape) == 0) and \
not np.all(np.remainder(input_shape, output_shape) == 0):
return
graph = interpolate.graph
name = interpolate.soft_get('name', interpolate.id)
shape = Shape(graph, {'name': name + '/ShapeOf'}).create_node()
shape.in_port(0).connect(interpolate.in_port(0).get_source())
gather = create_op_with_const_inputs(graph, Gather, {1: np.array(axes, dtype=np.int32), 2: int64_array(0)},
{'name': shape.name + '/Gathered'}, shape)
multipliers = output_shape[axes] / input_shape[axes]
mul = create_op_node_with_second_input(graph, Mul, multipliers, {'name': gather.name + '/Multiplied'}, gather)
interpolate.in_port(1).get_connection().set_source(mul.out_port(0))
def find_and_replace_pattern(self, graph: Graph):
for interpolate in graph.get_op_nodes(type='Interpolate'):
if interpolate.in_port(1).get_source().node.soft_get('type') == 'Const':
self.make_interpolate_reshapeable(interpolate)