def replace_pattern(self, graph: Graph, match: dict):
node = match['pb']
name = node.soft_get('name', node.id)
graph.graph['cmd_params'].static_shape = False
assert len(node.in_ports()) == 2
begin = Const(graph, {'value': np.array([2], dtype=np.int32), 'name': name + '/ss_begin'}).create_node()
end = Const(graph, {'value': np.array([4], dtype=np.int32), 'name': name + '/ss_end'}).create_node()
stride = Const(graph, {'value': np.array([1], dtype=np.int32), 'name': name + '/ss_stride'}).create_node()
shape_0 = Shape(graph, {'name': name + '/0_port'}).create_node()
ss_0 = StridedSlice(graph, {'name': name + '/ss_0_port',
'begin_mask': np.array([1], dtype=np.int32),
'end_mask': np.array([0], dtype=np.int32),
'new_axis_mask': np.array([0], dtype=np.int32),
'shrink_axis_mask': np.array([0], dtype=np.int32),
'ellipsis_mask': np.array([0], dtype=np.int32)}).create_node()
shape_0.out_port(0).connect(ss_0.in_port(0))
begin.out_port(0).connect(ss_0.in_port(1))
end.out_port(0).connect(ss_0.in_port(2))
stride.out_port(0).connect(ss_0.in_port(3))
source = node.in_port(0).get_connection().get_source()
node.in_port(0).disconnect()
source.connect(shape_0.in_port(0))
ss_0.out_port(0).connect(node.in_port(0))
shape_1 = Shape(graph, {'name': name + '/1_port'}).create_node()
ss_1 = StridedSlice(graph, {'name': name + '/ss_1_port',
'begin_mask': np.array([1], dtype=np.int32),
'end_mask': np.array([0], dtype=np.int32),
'new_axis_mask': np.array([0], dtype=np.int32),
'shrink_axis_mask': np.array([0], dtype=np.int32),
'ellipsis_mask': np.array([0], dtype=np.int32)}).create_node()
shape_1.out_port(0).connect(ss_1.in_port(0))
begin.out_port(0).connect(ss_1.in_port(1))
end.out_port(0).connect(ss_1.in_port(2))
stride.out_port(0).connect(ss_1.in_port(3))
source = node.in_port(1).get_connection().get_source()
node.in_port(1).disconnect()
source.connect(shape_1.in_port(0))
ss_1.out_port(0).connect(node.in_port(1))
ss_0['force_precision_in_ports'] = {1: 'int64', 2: 'int64', 3: 'int64'}
ss_1['force_precision_in_ports'] = {1: 'int64', 2: 'int64', 3: 'int64'}
node['need_shape_inference'] = True
node['override_output_shape'] = True
node['V10_infer'] = True
unsqueeze = create_op_node_with_second_input(graph, Unsqueeze, int64_array([0]), {'name': name + '/unsqueeze'})
naked_priorbox_name = name + '/naked_not_unsqueezed'
rename_nodes([(node, naked_priorbox_name), (unsqueeze, name)])
node.out_port(0).get_connection().set_source(unsqueeze.out_port(0))
node.out_port(0).connect(unsqueeze.in_port(0))
def replace_op(self, graph: Graph, node: Node):
node_name = node.soft_get('name', node.id)
# broadcast default value to required shape
broadcast_node = Broadcast(graph, {'name': node_name + '/Broadcast_'}).create_node()
node.in_port(1).get_connection().set_destination(broadcast_node.in_port(1))
if not node.in_port(3).disconnected():
# TODO: remove casting once we start to support I64 model input
# cast default value to I32 due limitation about I64 input support
# so that input parameter and default value will be of the same I32 type as required ScatterNDUpdate
cast_default_value = Cast(graph, {'name': node_name + '/CastDefaultValue', 'dst_type': np.int32}).create_node()
node.in_port(3).get_connection().set_destination(cast_default_value.in_port(0))
broadcast_node.in_port(0).connect(cast_default_value.out_port(0))
else:
broadcast_node.in_port(0).connect(Const(graph, {'name': broadcast_node.name + '/FillValue_',
'value': np.float32(0)}
).create_node().out_port(0))
# update broadcasted tensor with required values at required locations
scatternd_node = ScatterNDUpdate(graph, {'name': node_name + '/ScatterNDUpdate_'}).create_node()
scatternd_node.in_port(0).connect(broadcast_node.out_port(0))
node.in_port(0).get_connection().set_destination(scatternd_node.in_port(1))
node.in_port(2).get_connection().set_destination(scatternd_node.in_port(2))
rename_nodes([(node, node_name + "/AbandonedName"), (scatternd_node, node_name)])
return [scatternd_node.id]
def find_and_replace_pattern(self, graph: Graph):
for roll_node in graph.get_op_nodes(op='Roll'):
if not roll_node.in_port(2).disconnected():
return
node_name = roll_node.soft_get('name', roll_node.id)
# reshape to 1d tensor
reshape_to_1d = create_op_node_with_second_input(
graph, Reshape, int64_array([-1]),
{'name': node_name + '/reshape'})
roll_node.in_port(0).get_connection().insert_node(reshape_to_1d)
# add zero const as axes input to roll
const_zero = Const(graph, {
'value': int64_array([0]),
'name': node_name + '/axes'
}).create_node()
const_zero.out_port(0).connect(roll_node.in_port(2))
# reshape to original shape
shape_of = Shape(graph, {
'name': node_name + '/shape_of'
}).create_node()
roll_node.in_port(0).get_connection().add_destination(
shape_of.in_port(0))
reshape_to_orig_shape = Reshape(graph, {}).create_node()
rename_nodes([(roll_node, node_name + '/roll'),
(reshape_to_orig_shape, node_name)])
shape_of.out_port(0).connect(reshape_to_orig_shape.in_port(1))
roll_node.out_port(0).get_connection().insert_node(
reshape_to_orig_shape)
def find_and_replace_pattern(self, graph: Graph):
for node in graph.get_op_nodes(op='MVNCaffe'):
node_name = node.soft_get('name', node.id)
start_axis = 2
if node['across_channels'] == 1:
start_axis = 1
rank = Rank(graph, {'name': node_name + '/Rank'}).create_node()
# create range of axes based on `start_axis` and rank of input
rng = create_op_with_const_inputs(graph, Range, {
0: int64_array(start_axis),
2: int64_array(1)
}, {
'name': node_name + '/Range',
'output_type': np.int64
})
rng.in_port(1).connect(rank.out_port(0))
new_mvn = MVN(
graph, {
'eps': node.soft_get('eps', 1e-9),
'eps_mode': 'inside_sqrt',
'normalize_variance': node.soft_get(
'normalize_variance', 1)
}).create_node([node.in_port(0).get_source().node, rng])
new_mvn.in_port(0).get_connection().add_destination(
rank.in_port(0))
node.out_port(0).get_connection().set_source(new_mvn.out_port(0))
rename_nodes([(node, node_name + '/tbd'), (new_mvn, node_name)])
graph.remove_node(node.id)
def replace_op(self, graph: Graph, node: Node):
node_name = node.soft_get('name', node.id)
assert node.has_valid(
'axis'
), 'The node "{}" does not have mandatory attribute "axis"'.format(
node_name)
flatten_node = FlattenONNX(graph, {
'name': node_name + '/FlattenONNX_',
'axis': node.axis
}).create_node()
shape_node = Shape(graph, {
'name': node_name + '/ShapeOf_'
}).create_node()
logsoftmax_node = LogSoftmax(graph, {
'name': node_name + '/LogSoftmax_',
'axis': 1
}).create_node()
reshape_node = Reshape(graph, {}).create_node()
rename_nodes([(node, node_name + '/delete'),
(reshape_node, node_name)])
shape_node.out_port(0).connect(reshape_node.in_port(1))
logsoftmax_node.out_port(0).connect(reshape_node.in_port(0))
flatten_node.out_port(0).connect(logsoftmax_node.in_port(0))
source = node.in_port(0).get_source()
flatten_node.in_port(0).connect(source)
shape_node.in_port(0).connect(source)
return [reshape_node.id]
def replace_gelu(self, graph: Graph, match: dict):
# Gaussian Error Linear Unit
# f(x) = 0.5 * x * (1 + erf(x / sqrt(2))
out_node = match['mul0']
node_name = out_node.soft_get('name', out_node.id)
div = match['div']
inp_node = div.in_port(0).get_source().node
inp_name = inp_node.soft_get('name', out_node.id)
log.debug('Found potential Erf-based GeLU pattern after {} with name {}'.format(inp_node.op, inp_name))
# take the values of the mul, add and div
div_param = match['div_param']
add_param = match['add_param']
mul_param = match['mul_param']
if add_param.value.size == 1 and mul_param.value.size == 1 and div_param.value.size == 1:
mul_param = match['mul_param'].value.item()
add_param = match['add_param'].value.item()
div_param = match['div_param'].value.item()
sqrt2 = sqrt(2.0)
# check that the values match the approximation
if fabs(div_param - sqrt2) < 1e-06 and mul_param == 0.5 and add_param == 1.0:
log.debug('Confirmed Erf-based GELU pattern after {} with name {}'.format(inp_node.op, inp_name))
gelu = GeLUOP(graph, dict(name=inp_name + '/GELU_', approximation='erf')).create_node()
div.in_port(0).get_connection().set_destination(gelu.in_port(0))
out_node.out_port(0).get_connection().set_source(gelu.out_port(0))
rename_nodes([(out_node, node_name + '/TBD'), (gelu, node_name)])
def find_and_replace_pattern(self, graph: Graph):
for attr_pad in graph.get_op_nodes(op='AttributedPad'):
# save the original node name to use it in the new Pad op instance
original_name = attr_pad.soft_get('name', attr_pad.id)
new_pad = Pad(graph, {
'mode': attr_pad.soft_get('mode', None),
}).create_node()
rename_nodes([(attr_pad, original_name + '/to_be_removed'),
(new_pad, original_name)])
attr_pad.in_port(0).get_connection().set_destination(
new_pad.in_port(0))
new_pad.in_port(1).connect(
Const(graph, {
'value': attr_pad.pads[:, 0]
}).create_node().out_port(0))
new_pad.in_port(2).connect(
Const(graph, {
'value': attr_pad.pads[:, 1]
}).create_node().out_port(0))
if attr_pad.soft_get('mode') == 'constant':
new_pad.in_port(3).connect(
Const(graph, {
'value': attr_pad.fill_value
}).create_node().out_port(0))
attr_pad.out_port(0).get_connection().set_source(
new_pad.out_port(0))
graph.remove_node(attr_pad.id)
def replace_sub_graph(self, graph: Graph, match: [dict, SubgraphMatch]):
node = match['op']
name = node.soft_get('name', node.id)
# biases normalization
bias_node = Add(graph, {'name': name + '/Bias_', 'can_be_scaleshift': False}).create_node()
if not graph.graph['cmd_params'].generate_deprecated_IR_V7:
node_name = node.name + '/WithoutBiases'
bias_node_name = node.name
rename_nodes([(node, node_name), (bias_node, bias_node_name)])
node.out_port(0).get_connection().set_source(bias_node.out_port(0))
node.in_port(2).get_connection().set_destination(bias_node.in_port(1))
node.out_port(0).connect(bias_node.in_port(0))
if node.has_valid('alpha') and not math.isclose(node.alpha, 1):
bias_node.insert_op_on_input_port(in_port_idx=0, new_op_class=Mul, value=np.array(node.alpha),
new_op_attrs={'name': name + '/Alpha_', 'can_be_scaleshift': False})
del node['alpha']
if node.has_valid('beta') and not math.isclose(node.beta, 1):
bias_node.insert_op_on_input_port(in_port_idx=1, new_op_class=Mul, value=np.array(node.beta),
new_op_attrs={'name': name + '/Beta_', 'can_be_scaleshift': False})
del node['beta']
MatMul.update_node_stat(node, {
'transpose_a': node.has_and_set('transpose_a'),
'transpose_b': node.has_and_set('transpose_b'),
})
def replace_ctc_greedy_decoder(graph: Graph, match: dict):
ctc_greedy_decoder_tf = match['decoder']
cast = match['cast']
sparse_to_dense = match['sparse_to_dense']
sparse_to_dense_name = sparse_to_dense.soft_get('name', sparse_to_dense.id)
ctc_greedy_decoder_tf_name = ctc_greedy_decoder_tf.soft_get('name', ctc_greedy_decoder_tf.id)
# for normalizing input chanel need to transpose input data from [T, N, C] to [N, T, C]
# which supported CTCGreedyDecoderSeqLen op.
ctc_data_permute = create_op_with_const_inputs(graph, Transpose, {1: int64_array([1, 0, 2])},
{'name': ctc_greedy_decoder_tf_name + '/ctc_data_permute'})
assert ctc_greedy_decoder_tf.has_valid('merge_repeated'), \
'The CTCGreedyDecoderSeqLen node "{}" misses "merge_repeated" attribute'.format(ctc_greedy_decoder_tf_name)
ctc_greedy_decoder_tf.in_port(0).get_source().connect(ctc_data_permute.in_port(0))
merge_repeated_tf = ctc_greedy_decoder_tf.merge_repeated
ctc_greedy_decoder = CTCGreedyDecoderSeqLenOp(graph, {'name': sparse_to_dense_name,
'merge_repeated': merge_repeated_tf}).create_node()
rename_nodes(
[(sparse_to_dense, sparse_to_dense_name + '/AbandonedName'), (ctc_greedy_decoder, sparse_to_dense_name)])
ctc_greedy_decoder.in_port(0).connect(ctc_data_permute.out_port(0))
ctc_greedy_decoder_tf.in_port(1).get_source().connect(ctc_greedy_decoder.in_port(1))
# set output of the new sub-graph as a source for SparseToDense consumer
sparse_to_dense.out_port(0).get_connection().set_source(ctc_greedy_decoder.out_port(0))
# remove no longer needed nodes
graph.remove_nodes_from([sparse_to_dense.id, cast.id, ctc_greedy_decoder_tf.id])
def find_and_replace_pattern(self, graph: Graph):
for fake_output in graph.get_op_nodes(op='FakeOutput'):
name = fake_output.soft_get('name', fake_output.id)
producer = fake_output.in_port(0).get_source().node
producer_outputs = 0
for port in producer.out_ports().values():
if not port.disconnected():
producer_outputs += 1
if producer_outputs != 1:
# At this stage we don't know the type of output, so we rely on MO transformation which updates the
# Const type for elementwise operations in case of input data types mismatch
add = create_op_with_const_inputs(graph, Add,
{1: int64_array(0)},
{'can_be_fused': False})
rename_nodes([(fake_output, name + '/TBD'), (add, name)])
fake_output.in_port(0).get_connection().set_destination(
add.in_port(0))
fake_output.out_port(0).get_connection().set_source(
add.out_port(0))
else:
result_in_port = fake_output.out_port(0).get_destination()
result_in_port.disconnect()
fake_output.in_port(0).get_connection().set_destination(
result_in_port)
rename_nodes([(fake_output, name + '/TBD'), (producer, name)])
def replace_sub_graph(self, graph: Graph, match: [dict, SubgraphMatch]):
node = match['op']
name = node.soft_get('name', node.id)
# biases normalization
if 2 in node.in_ports() and not node.in_port(2).disconnected():
bias_node = Add(graph, {'name': name + '/Bias_'}).create_node()
if not graph.graph['cmd_params'].generate_deprecated_IR_V7:
node_name = node.name + '/WithoutBiases'
bias_node_name = node.name
rename_nodes([(node, node_name), (bias_node, bias_node_name)])
node.out_port(0).get_connection().set_source(bias_node.out_port(0))
node.in_port(2).get_connection().set_destination(bias_node.in_port(1))
node.out_port(0).connect(bias_node.in_port(0))
# weights normalization
assert node.has_valid('out-size')
out_size = node['out-size']
reshape_dim = int64_array([-1, out_size])
if node.has_and_set('transpose_weights'):
reshape_dim = int64_array([out_size, -1])
node.insert_op_on_input_port(in_port_idx=1, new_op_class=Reshape,
new_op_attrs={'name': name + '/weights_reshape'}, value=reshape_dim)
if node.has_and_set('transpose_weights'):
node.insert_op_on_input_port(in_port_idx=1, new_op_class=Transpose,
new_op_attrs={'name': name + '/weights_transpose'}, value=int64_array([1, 0]))
# input normalization for 4D Caffe and MxNet FullyConnected
if graph.graph['fw'] in ['caffe', 'mxnet']:
node.insert_op_on_input_port(in_port_idx=0, new_op_class=Reshape,
new_op_attrs={'name': name + '/flatten_fc_input'}, value=int64_array([0, -1]))
MatMul.update_node_stat(node, {})
def replace_layer_norm(self, graph: Graph, match: dict):
inp = match['pool0']
node_before = inp.in_port(0).get_source().node
node_before_name = node_before.soft_get('name', node_before.id)
# take/check the values of the add, pow and axes for ReduceMean
pow_param = match['pow_param']
add_param = match['add_param']
if add_param.value.size == 1 and pow_param.value.size == 1 and add_param.value.item() <= 1e-05 \
and pow_param.value.item() == 0.5 and match['pool0_param'].value == match['pool1_param'].value:
log.debug('Found LayerNorm pattern after {} with name {}'.format(
node_before.op, node_before_name))
mvn = create_op_with_const_inputs(
graph, MVN, {1: match['pool1_param'].value}, {
'eps': add_param.value.item(),
'normalize_variance': 1,
'eps_mode': 'inside_sqrt'
})
div_name = match['div'].soft_get('name', match['div'].id)
rename_nodes([(match['div'], div_name + '/to_be_removed'),
(mvn, div_name)])
inp.in_port(0).get_connection().set_destination(mvn.in_port(0))
match['div'].out_port(0).get_connection().set_source(
mvn.out_port(0))
def replace_pattern(self, graph: Graph, match: dict):
mul_node = match['mul_op']
const_node = match['const_op']
max_node = match['max_op']
max_name = max_node.soft_get('name', max_node.id)
const_value = const_node.out_port(0).data.get_value()
if const_value is None or const_value.size != 1:
log.debug(
'Mul layer "{}" can not participate in conversion to the LeakyReLU because constant "{}" '
'contains more than one element: {}'.format(
mul_node.id, const_node.id, const_value.size))
return
# Create new LeakyReLU operation
leaky_relu_node = LeakyReLU(
graph, dict(negative_slope=const_value.item(0))).create_node()
data_in_port = int(
mul_node.in_port(0).get_source().node.type == 'Const')
mul_node.in_port(data_in_port).get_source().connect(
leaky_relu_node.in_port(0))
max_node.out_port(0).get_connection().set_source(
leaky_relu_node.out_port(0))
rename_nodes([(max_node, max_name + '/TBR'),
(leaky_relu_node, max_name)])
log.debug(
'Successful conversion from {} {} to ReLU with negative slope (leaky ReLU)'
''.format(max_node.id, mul_node.id))
def replace_sub_graph(self, graph: Graph, match: [dict, SubgraphMatch]):
beta = match['beta']
mul = match['mul']
mul_beta = match['mul_beta']
mul_name = mul.soft_get('name', mul.id)
# determine the input port of Muls which get the 'input' node output
mul_beta_input_port_idx = int(
mul_beta.in_port(0).get_connection().get_source().node.id ==
beta.id)
mul_input_port_idx = int(
mul.in_port(0).get_connection().get_source().node.soft_get('op') ==
'Sigmoid')
# check that the same tensor provided as input to Mul and MulBeta
if mul.in_port(mul_input_port_idx).get_source() != mul_beta.in_port(
mul_beta_input_port_idx).get_source():
return
swish = Swish(graph, {}).create_node()
swish.in_port(0).connect(
mul_beta.in_port(mul_beta_input_port_idx).get_source())
# connect Beta value
swish.in_port(1).connect(
mul_beta.in_port(1 - mul_beta_input_port_idx).get_source())
mul.out_port(0).get_connection().set_source(swish.out_port(0))
rename_nodes([(mul, mul_name + '/TBR'), (swish, mul_name)])
def find_and_replace_pattern(self, graph: Graph):
for node in graph.get_op_nodes(op='Interpolate', version='opset1'):
transformation_mode = 'align_corners' if int(
node.soft_get('align_corners', 0)) else 'half_pixel'
interpolate1_name = node.soft_get('name', node.id)
interpolate4 = create_op_with_const_inputs(
graph, Interpolate, {
2: np.array([1.0, 1.0]),
3: int64_array(node.axes)
}, {
'mode': node.mode,
'antialias': node.antialias,
'coordinate_transformation_mode': transformation_mode,
'pads_begin': correct_pad(node.soft_get('pads_begin', 0)),
'pads_end': correct_pad(node.soft_get('pads_end', 0)),
'nearest_mode': 'round_prefer_floor',
'cube_coeff': -0.75,
'shape_calculation_mode': 'sizes',
'version': 'opset4',
'in_ports_count': 4,
})
interpolate1_input_connection = node.in_port(0).get_connection()
interpolate1_input_connection.set_destination(
interpolate4.in_port(0))
sizes_connection = node.in_port(1).get_connection()
sizes_connection.set_destination(interpolate4.in_port(1))
node.out_port(0).get_connection().set_source(
interpolate4.out_port(0))
rename_nodes([(node, interpolate1_name + '/delete'),
(interpolate4, interpolate1_name)])
def replace_pattern(graph: Graph, match: dict):
node = match['op']
if node.has_port('in', 2) and not node.in_port(
2).disconnected() and not node.has_and_set('shape_input'):
bias_name = node.name
new_node_name = node.name + '/WithoutBiases'
add = Add(graph, dict(name=bias_name)).create_node()
rename_nodes([(node, new_node_name), (add, bias_name)])
node.out_port(0).get_connection().set_source(add.out_port(0))
node.out_port(0).connect(add.in_port(0))
node.in_port(2).get_connection().set_destination(add.in_port(1))
bias = add.in_port(1).get_source().node
if bias.has_valid("type") and bias.type == "Const":
input_shape = add.in_port(0).data.get_shape()
if len(input_shape) > 2:
dims_to_add = len(input_shape) - 2 if graph.graph[
'layout'] == 'NCHW' else 0
if dims_to_add > 0:
reshape = create_op_node_with_second_input(
graph, Reshape,
np.array([input_shape[1]] + [1] * dims_to_add,
dtype=np.int64),
{'name': node.id + '/Dims'})
add.in_port(1).get_connection().set_destination(
reshape.in_port(0))
reshape.out_port(0).connect(add.in_port(1))
def find_and_replace_pattern(self, graph: Graph):
for attr_pad in graph.get_op_nodes(op='AttributedPad'):
# save the original node name to use it in the new Pad op instance
original_name = attr_pad.soft_get('name', attr_pad.id)
new_pad = Pad(graph, {
'mode': attr_pad.soft_get('mode', None),
}).create_node()
rename_nodes([(attr_pad, original_name + '/to_be_removed'),
(new_pad, original_name)])
attr_pad.in_port(0).get_connection().set_destination(
new_pad.in_port(0))
new_pad.in_port(1).connect(
Const(graph, {
'value': attr_pad.pads[:, 0]
}).create_node().out_port(0))
new_pad.in_port(2).connect(
Const(graph, {
'value': attr_pad.pads[:, 1]
}).create_node().out_port(0))
if attr_pad.soft_get('mode') == 'constant':
# create Constant node of proper data type (equal to the data type of the Pad first input)
convert_pad_value = create_op_with_const_inputs(
graph, ConvertLike, {0: attr_pad.fill_value},
{'name': original_name + '/pad_value_convert'})
convert_pad_value.in_port(1).connect(
new_pad.in_port(0).get_source())
new_pad.in_port(3).connect(convert_pad_value.out_port(0))
attr_pad.out_port(0).get_connection().set_source(
new_pad.out_port(0))
graph.remove_node(attr_pad.id)
def replace_sub_graph(self, graph: Graph, match: [dict, SubgraphMatch]):
cmp = match['complex']
complex_abs = match['abs']
complex_abs_name = complex_abs.soft_get('name', complex_abs.id)
power_type = data_type_str_to_np(graph.graph['cmd_params'].data_type)
pow0 = create_op_with_const_inputs(
graph, Pow, {1: power_type(2.0)},
{'name': complex_abs_name + '/real_part_squared'})
pow1 = create_op_with_const_inputs(
graph, Pow, {1: power_type(2.0)},
{'name': complex_abs_name + '/imag_part_squared'})
cmp.in_port(0).get_connection().set_destination(pow0.in_port(0))
cmp.in_port(1).get_connection().set_destination(pow1.in_port(0))
add = Add(graph, {
'name': complex_abs_name + '/squared_abs'
}).create_node([pow0, pow1])
sqrt = create_op_with_const_inputs(graph, Pow, {1: power_type(0.5)},
{})
add.out_port(0).connect(sqrt.in_port(0))
complex_abs.out_port(0).get_connection().set_source(sqrt.out_port(0))
rename_nodes([(complex_abs, complex_abs_name + '/to_be_removed'),
(sqrt, complex_abs_name)])
def replace_sub_graph(self, graph: Graph, match: dict):
identity_spw = match['identity_spw']
gather0_1 = match['gather0_1']
gather0_2 = match['gather0_2']
greaterequal0 = match['greaterequal0']
sparse_fill_empty_rows = match['sparse_fill_empty_rows']
gather = match['gather']
select = match['select']
where0 = match['where0']
output_node_name = select.soft_get('name', select.id)
log.debug('Found EmbeddingSegmentsSum2 pattern after {} with name {}'.format(sparse_fill_empty_rows.op,
sparse_fill_empty_rows.name))
split_for_indices = create_op_with_const_inputs(graph, Split, {1: int64_array(1)},
{'num_splits': 2,
'name': output_node_name + '/SplitForIndices'})
squeeze_for_indices = create_op_with_const_inputs(graph, Squeeze, {1: int64_array([1])})
split_for_dense_shape = create_op_with_const_inputs(graph, Split, {1: int64_array(0)},
{'num_splits': 2,
'name': output_node_name + '/SplitForDenseShape'})
squeeze_to_scalar = create_op_with_const_inputs(graph, Squeeze, {1: int64_array([0])})
cast_segment_ids = Cast(graph, {'name': output_node_name + '/CastSegmentIds', 'dst_type': np.int32}).create_node()
cast_default_value = Cast(graph, {'name': output_node_name + '/CastDefaultValue', 'dst_type': np.int32}).create_node()
cast_num_segments = Cast(graph, {'name': output_node_name + '/CastSegmentsNumber', 'dst_type': np.int32}).create_node()
embedding_segments_sum = EmbeddingSegmentsSum(graph, {'name': output_node_name}).create_node()
rename_nodes([(select, output_node_name + '/AbandonedName'), (embedding_segments_sum, output_node_name)])
# connect parameters table
gather.in_port(0).get_connection().set_destination(embedding_segments_sum.in_port(0))
# connect indices values
greaterequal0.in_port(0).get_connection().set_destination(embedding_segments_sum.in_port(1))
# split and connect segment ids
gather0_1.in_port(0).get_connection().set_destination(split_for_indices.in_port(0))
squeeze_for_indices.in_port(0).connect(split_for_indices.out_port(0))
# TODO: remove casting once we start to support I64 model input
cast_segment_ids.in_port(0).connect(squeeze_for_indices.out_port(0))
embedding_segments_sum.in_port(2).connect(cast_segment_ids.out_port(0))
# split and connect number of segments
identity_spw.in_port(0).get_connection().set_destination(split_for_dense_shape.in_port(0))
squeeze_to_scalar.in_port(0).connect(split_for_dense_shape.out_port(0))
# TODO: remove casting once we start to support I64 model input
cast_num_segments.in_port(0).connect(squeeze_to_scalar.out_port(0))
embedding_segments_sum.in_port(3).connect(cast_num_segments.out_port(0))
# connect default value
# TODO: remove casting once we start to support I64 model input
sparse_fill_empty_rows.in_port(3).get_connection().set_destination(cast_default_value.in_port(0))
embedding_segments_sum.in_port(4).connect(cast_default_value.out_port(0))
# no input port for per_sample_weight
identity_spw.in_port(0).disconnect()
gather0_1.in_port(0).disconnect()
gather0_2.in_port(0).disconnect()
greaterequal0.in_port(0).disconnect()
sparse_fill_empty_rows.in_port(2).disconnect()
gather.in_port(0).disconnect()
select.out_port(0).get_connection().set_source(embedding_segments_sum.out_port(0))
graph.remove_nodes_from([gather0_1.id, gather0_2.id, greaterequal0.id, sparse_fill_empty_rows.id, select.id, where0.id])
def convert_fft_to_dft(self, graph: Graph, mx_fft: Node):
mx_fft_name = mx_fft.soft_get('name', mx_fft.id)
unsqueeze_node = create_op_with_const_inputs(
graph, Unsqueeze, {1: int64_array([-1])},
{'name': mx_fft_name + '/Unsqueeze'})
rank_node = Rank(graph, {'name': mx_fft_name + '/Rank'}).create_node()
mx_fft_connection = mx_fft.in_port(0).get_connection()
mx_fft_connection.set_destination(unsqueeze_node.in_port(0))
mx_fft_connection.get_source().connect(rank_node.in_port(0))
add_node = create_op_with_const_inputs(graph, Add, {1: int64_array(1)},
{'name': mx_fft_name + '/Add'},
rank_node)
broadcast_node1 = create_op_with_const_inputs(
graph, Broadcast, {0: int64_array(0)},
{'name': mx_fft_name + '/Pad_broadcast'})
add_node.out_port(0).connect(broadcast_node1.in_port(1))
scatter_node = create_op_with_const_inputs(
graph, ScatterUpdate, {
2: int64_array(1),
3: int64_array(0)
}, {'name': mx_fft_name + '/ScatterUpdate'})
broadcast_node1.out_port(0).connect(scatter_node.in_port(0))
rank_node.out_port(0).connect(scatter_node.in_port(1))
pad_node = Pad(graph, {
'name': mx_fft_name + '/Pad',
'mode': 'constant'
}).create_node([unsqueeze_node, broadcast_node1, scatter_node])
dft_node = create_op_with_const_inputs(
graph, DFT, {1: int64_array([-1])}, {
'name': mx_fft_name + '/DFT',
'in_ports_count': 2
}, pad_node)
sub_node = create_op_with_const_inputs(graph, Sub, {1: int64_array(1)},
{'name': mx_fft_name + '/Sub'})
rank_node.out_port(0).connect(sub_node.in_port(0))
broadcast_node2 = create_op_with_const_inputs(
graph, Broadcast, {0: int64_array(0)},
{'name': mx_fft_name + '/Reshape_broadcast'})
sub_node.out_port(0).connect(broadcast_node2.in_port(1))
concat_node = create_op_with_const_inputs(
graph, Concat, {1: int64_array([-1, 2])}, {
'name': mx_fft_name + '/New_shape',
'in_ports_count': 2,
'axis': 0
}, broadcast_node2)
reshape_node = Reshape(graph, {}).create_node([dft_node, concat_node])
mx_fft.out_port(0).get_connection().set_source(
reshape_node.out_port(0))
rename_nodes([(mx_fft, mx_fft_name + '/to_be_removed'),
(reshape_node, mx_fft_name)])
def find_and_replace_pattern(self, graph: Graph):
for attr_random_uniform in graph.get_op_nodes(
op='AttributedRandomUniform'):
original_name = attr_random_uniform.soft_get(
'name', attr_random_uniform.id)
if not attr_random_uniform.has_valid('output_type'):
raise Error(
"RandomUniform should have valid ''output_type'' attribute."
)
output_type = attr_random_uniform.soft_get('output_type')
if attr_random_uniform.has_valid('min_val'):
min_val = attr_random_uniform['min_val']
else:
min_val = output_type(0)
if attr_random_uniform.has_valid('max_val'):
max_val = attr_random_uniform['max_val']
else:
max_val = output_type(1)
port_value_dict = {1: min_val, 2: max_val}
if not attr_random_uniform.has_port(
'in', 0) or attr_random_uniform.in_port(0).disconnected():
if not attr_random_uniform.has_valid('shape'):
raise Error(
"RandomUniform should have valid ''shape'' attribute or input node on 0 port."
)
else:
port_value_dict.update({0: attr_random_uniform.shape})
attrs = {
'global_seed': attr_random_uniform.soft_get('global_seed', 0),
'op_seed': attr_random_uniform.soft_get('op_seed', 0),
'output_type': output_type
}
new_random_uniform = create_op_with_const_inputs(
graph,
op=RandomUniform,
port_value_dict=port_value_dict,
op_attrs=attrs)
rename_nodes([(attr_random_uniform,
original_name + '/to_be_removed'),
(new_random_uniform, original_name)])
attr_random_uniform.out_port(0).get_connection().set_source(
new_random_uniform.out_port(0))
if new_random_uniform.in_port(0).disconnected():
if attr_random_uniform.in_port(0).disconnected():
raise Error(
'RandomUniform should have input node on 0 port.')
else:
new_random_uniform.in_port(0).connect(
attr_random_uniform.in_port(
0).get_connection().get_source())
graph.remove_node(attr_random_uniform.id)
def transform_keras_rnn_output_concatenation(external_match: dict,
internal_match: dict):
"""
Transforms TensorFlow 2 output concatenation into use of axis attribute for output port of Loop node
:param external_match: a match used for handling a part of the main graph responsible for output concatenation
:param internal_match: a match used for handling a part of the body graph responsible for output concatenation
"""
loop_node = external_match['while']
stack_node = external_match['stack']
list_reserve_node = external_match['reserve']
body_graph = loop_node['body']
tensor_list_set_item_node = internal_match['concatenation']
tensor_list_set_item_node_name = tensor_list_set_item_node.soft_get(
'name', tensor_list_set_item_node.id)
list_result_node = internal_match['concatenation_result']
# replace TensorListSetItem with Unsqueeze and use axis attribute for corresponding Result node
# to concatenate results from different iterations
unsqueeze_list_element = create_op_with_const_inputs(
body_graph, Unsqueeze, {1: int64_array(0)},
{'name': 'TensorListSetItemUnsqueeze'})
tensor_list_set_item_node.in_port(2).get_connection().set_destination(
unsqueeze_list_element.in_port(0))
tensor_list_set_item_node.out_port(0).get_connection().set_source(
unsqueeze_list_element.out_port(0))
rename_nodes([(tensor_list_set_item_node,
tensor_list_set_item_node_name + '/AbandonedName'),
(unsqueeze_list_element, tensor_list_set_item_node_name)
])
list_result_node_layer_id = list_result_node.internal_layer_id
Loop.update_port_map_value_ext(loop_node.output_port_map,
'internal_layer_id',
list_result_node_layer_id, 'axis', 0)
# remove TensorListStack to by-pass the node since the result from the Loop node is already concatenated
stack_node.out_port(0).get_connection().set_source(
stack_node.in_port(0).get_connection().get_source())
# disconnect ListReserve node because it is no longer needed for Loop
list_reserve_node.out_port(0).disconnect()
# connect a number of iterations with trip count that can be received from the second input of ListReserve
# create a constant network with True value for execution_condition so that IE can ignore execution condition
# and perform trip_counts iterations. This approach with known trip count value allows to avoid dynamism.
loop_node.in_port(1).disconnect()
list_reserve_node.in_port(1).get_source().connect(loop_node.in_port(1))
for record in loop_node.output_port_map:
if 'purpose' in record and record[
'purpose'] == 'execution_condition':
exec_cond_layer_id = record['internal_layer_id']
exec_cond_node = Loop.get_body_node_by_internal_id(
loop_node, exec_cond_layer_id)
const_true = Const(body_graph, {
'value': np.array(True, dtype=np.bool)
}).create_node()
exec_cond_node.in_port(0).get_connection().set_source(
const_true.out_port(0))
def replace_strided_slice(node: Node, mask: np.ndarray, op: callable):
node_name = node.soft_get('name', node.id)
axes = np.where(mask == 1)[0]
new_node = create_op_node_with_second_input(node.graph, op, int64_array(axes))
node.in_port(0).get_connection().set_destination(new_node.in_port(0))
node.out_port(0).get_connection().set_source(new_node.out_port(0))
rename_nodes([(node, node_name + '/ShouldBeDeleted'), (new_node, node_name)])
node.graph.remove_node(node.id)
def replace_op(self, graph: Graph, node: Node):
node_name = node.soft_get('name', node.id)
non_zero_node = NonZero(graph, {'name': node_name + '/NonZero_', 'output_type': np.int64}).create_node()
transpose_node = create_op_node_with_second_input(graph, Transpose, int64_array([1, 0]), op_attrs={})
non_zero_node.out_port(0).connect(transpose_node.in_port(0))
rename_nodes([(node, node_name + '/delete'), (transpose_node, node_name)])
non_zero_node.in_port(0).connect(node.in_port(0).get_source())
return [transpose_node.id]
def replace_sub_graph(self, graph: Graph, match: dict):
# TODO: Once Inference Engine's CTCGreedyDecoder starts to support sequence length format like in TensorFlow,
# CTCGreedyDecoderReplacement2 needs to be removed and CTCGreedyDecoderReplacement, a more generic
# transformation, needs to be adopted for all cases
ctc_greedy_decoder = match['decoder']
cast = match['cast']
sparse_to_dense = match['sparse_to_dense']
sparse_to_dense_name = sparse_to_dense.soft_get(
'name', sparse_to_dense.id)
# disconnect SparseToDense and Cast nodes
sparse_to_dense.in_port(0).disconnect()
cast.in_port(0).disconnect()
# transform CTCGreedyDecoder output to TensorFlow's one:
# 1. squeeze the output to [N, T] shape
# 2. cast it to integer
squeeze_dec_seq = create_op_with_const_inputs(
graph, Squeeze, {1: int64_array([2, 3])},
{'name': sparse_to_dense_name})
squeeze_dec_seq.in_port(0).connect(ctc_greedy_decoder.out_port(0))
cast_to_int = Cast(graph, {
'name': sparse_to_dense_name + '/CastToInt',
'dst_type': np.int32
}).create_node()
cast_to_int.in_port(0).connect(squeeze_dec_seq.out_port(0))
# preserve output name from original graph
rename_nodes([(sparse_to_dense,
sparse_to_dense_name + '/AbandonedName'),
(cast_to_int, sparse_to_dense_name)])
# set output of the new sub-graph as a source for SparseToDense consumer
sparse_to_dense.out_port(0).get_connection().set_source(
cast_to_int.out_port(0))
# remove no longer needed nodes
graph.remove_nodes_from([sparse_to_dense.id, cast.id])
# mark CTCGreedyDecoder node as a node that requires transformation of sequence length to a mask format
# in the middle phase
ctc_greedy_decoder['use_mask_format'] = True
# unless the second input of CTCGreedyDecoder is a parameter, it enforces MO to use --static-shape
# to try getting the second input with a value
sequence_length_node = ctc_greedy_decoder.in_node(1)
if sequence_length_node.soft_get(
'op'
) != 'Parameter' and not graph.graph['cmd_params'].static_shape:
log.error(
"Model can not be translated in a reshape-able way.\n"
"Model Optimizer key static_shape was turned on to prevent related errors.\n"
"There will be no success changing input shapes of the model with the help of "
"InferenceEngine reshape method",
extra={'is_warning': True})
graph.graph['cmd_params'].static_shape = True
def replace_sub_graph(self, graph: Graph, match: [dict, SubgraphMatch]):
ln = match['ln']
exp = match['exp']
ln_name = ln.soft_get('name', ln.id)
softplus = SoftPlus(graph, {}).create_node()
softplus.in_port(0).connect(exp.in_port(0).get_source())
ln.out_port(0).get_connection().set_source(softplus.out_port(0))
rename_nodes([(ln, ln_name + '/TBR'), (softplus, ln_name)])
def replace_sub_graph(self, graph: Graph, match: [dict, SubgraphMatch]):
q = match['quantize']
dq = match['dequantize']
q_scale = q.in_port(1).get_source().node
q_zerop = q.in_port(2).get_source().node
dq_scale = dq.in_port(1).get_source().node
dq_zerop = dq.in_port(2).get_source().node
inp_port = q.in_port(0).get_source()
name = inp_port.node.soft_get('name', inp_port.node.id)
# only constant as for zero_point/scale supported
if q_scale.soft_get('type') == 'Const' and dq_scale.soft_get('type') == 'Const' and \
q_zerop.soft_get('type') == 'Const' and dq_zerop.soft_get('type') == 'Const':
# only patterns with same scale/zero_point values for Q and DQ are supported
if q_scale.value == dq_scale.value and q_zerop.value == dq_zerop.value:
log.debug('Found Q-DQ pattern after {}'.format(name))
zero_point_type = q_zerop.value.dtype
# data type affects range of output values: [-128..127] or [0..255]
if zero_point_type == np.int8:
output_min_value = -128.0
output_max_value = 127.0
elif zero_point_type == np.uint8:
output_min_value = 0.0
output_max_value = 255.0
else:
raise Error('Not supported type {} for zero point value in node {}'.format(
zero_point_type, q_zerop.soft_get('name')))
min_value = q_scale.value * (output_min_value - q_zerop.value)
max_value = q_scale.value * (output_max_value - q_zerop.value)
input_min = Const(graph, {'value': np.array(min_value)}).create_node()
input_max = Const(graph, {'value': np.array(max_value)}).create_node()
FQ = FakeQuantize(graph, {
'levels': 256,
'name': match['quantize'].name + '_Dequantize/FakeQuantize'
}).create_node()
FQ.in_port(0).connect(match['quantize'].in_port(0).get_source())
FQ.in_port(1).connect(input_min.out_port(0))
FQ.in_port(2).connect(input_max.out_port(0))
FQ.in_port(3).connect(input_min.out_port(0))
FQ.in_port(4).connect(input_max.out_port(0))
match['dequantize'].out_port(0).get_connection().set_source(FQ.out_port(0))
dq_name = match['dequantize'].soft_get('name', match['dequantize'].id)
rename_nodes([(match['dequantize'], dq_name + '/to_be_removed'), (FQ, dq_name)])
else:
raise Error('QuantizeLinear and DequantizeLinear (after {}) have different scale or zero-point values, '
'cannot fuse into FakeQuantize!'.format(name))
def replace_pattern(self, graph: Graph, match: dict):
if not self.is_applicable(match):
return
unsqueeze_node = match['unsqueeze']
unsqueeze_name = unsqueeze_node.soft_get('name', unsqueeze_node.id)
second_input_of_unsqueeze = unsqueeze_node.in_port(
1).get_connection().get_source().node
d_idx = int(second_input_of_unsqueeze.value)
axis = d_idx - 1
shape_node = Shape(graph,
dict(name=unsqueeze_name + '/Shape')).create_node()
axis_len_node = node_to_get_shape_value_of_indices(shape_node, [axis])
second_input_of_tile = match['tile'].in_port(
1).get_connection().get_source().node
scale = int64_array([second_input_of_tile.value[d_idx]])
float_scale = float32_array([second_input_of_tile.value[d_idx]])
mul_node = create_op_with_const_inputs(
graph, Mul, {1: scale}, {'name': unsqueeze_name + '/Mul'})
axis_len_node.out_port(0).connect(mul_node.in_port(0))
interp_node = create_op_with_const_inputs(
graph, Interpolate, {
2: float_scale,
3: int64_array([axis])
}, {
'mode': 'nearest',
'antialias': 0,
'pads_begin': int64_array([0]),
'pads_end': int64_array([0]),
'coordinate_transformation_mode': 'half_pixel',
'nearest_mode': 'round_prefer_floor',
'cube_coeff': -0.75,
'version': 'opset4',
'shape_calculation_mode': 'scales',
'in_ports_count': 4,
'maybe_part_of_sequence': True
})
mul_node.out_port(0).connect(interp_node.in_port(1))
reshape_node = match['reshape']
reshape_node.out_port(0).get_connection().set_source(
interp_node.out_port(0))
reshape_name = reshape_node.soft_get('name', reshape_node.id)
rename_nodes([(reshape_node, reshape_name + '/delete'),
(interp_node, reshape_name)])
unsqueeze_connection = unsqueeze_node.in_port(0).get_connection()
unsqueeze_connection.set_destination(interp_node.in_port(0))
unsqueeze_connection.get_source().connect(shape_node.in_port(0))
def find_and_replace_pattern(self, graph: Graph):
for dequantize_node in graph.get_op_nodes(op='DequantizeLinear'):
node_name = dequantize_node.soft_get('name', dequantize_node.id)
axis = dequantize_node.soft_get('axis', None)
scale_y_shape = dequantize_node.in_port(1).data.get_shape()
model_data_type = data_type_str_to_np(
graph.graph['cmd_params'].data_type)
cast = Cast(graph, {
'dst_type': model_data_type,
'name': node_name + '/Cast'
}).create_node()
dequantize_node.in_port(0).get_connection().set_destination(
cast.in_port(0))
mul = Mul(graph, {}).create_node()
is_second_port_connected = dequantize_node.is_in_port_connected(2)
if is_second_port_connected:
sub = Sub(graph, {'name': node_name + '/Sub'}).create_node()
cast.out_port(0).connect(sub.in_port(0))
dequantize_node.in_port(2).get_connection().set_destination(
sub.in_port(1))
sub.out_port(0).connect(mul.in_port(0))
else:
cast.out_port(0).connect(mul.in_port(0))
dequantize_node.in_port(1).get_connection().set_destination(
mul.in_port(1))
dequantize_node.out_port(0).get_connection().set_source(
mul.out_port(0))
rename_nodes([(dequantize_node, node_name + '/TBD'),
(mul, node_name)])
assert scale_y_shape is not None
if axis is not None and len(
scale_y_shape) > 0 and scale_y_shape[0] > 1:
input_shape = cast.in_port(0).data.get_shape()
target_shape = np.ones(len(input_shape), np.int64)
target_shape[axis] = input_shape[axis]
mul_reshape = create_op_with_const_inputs(
graph, Reshape, {1: int64_array(target_shape)},
{'name': node_name + '/Reshape/Mul'})
mul.in_port(1).get_connection().set_destination(
mul_reshape.in_port(0))
mul_reshape.out_port(0).connect(mul.in_port(1))
if is_second_port_connected:
sub_reshape = create_op_with_const_inputs(
graph, Reshape, {1: int64_array(target_shape)},
{'name': node_name + '/Reshape/Sub'})
sub.in_port(1).get_connection().set_destination(
sub_reshape.in_port(0))
sub_reshape.out_port(0).connect(sub.in_port(1))
def replace_op(self, graph: Graph, node: Node):
out_node = Concat(graph, {'axis': node.axis, 'in_ports_count': len(node.in_ports())}).create_node()
pack_name = node.soft_get('name', node.id)
for ind in node.in_ports():
unsqueeze_node = create_op_with_const_inputs(graph, Unsqueeze, {1: int64_array([node.axis])},
{'name': node.soft_get('name', node.id) + '/Unsqueeze'})
node.in_port(ind).get_connection().set_destination(unsqueeze_node.in_port(0))
unsqueeze_node.out_port(0).connect(out_node.in_port(ind))
rename_nodes([(node, pack_name + '/TBR'), (out_node, pack_name)])
return [out_node.id]
