def test_override_placeholder_shapes_dict(self):
graph = build_graph(nodes_attributes, [('node_1', 'node_2'),
('node_2', 'op_output')],
{
'node_2': {
'shape': None,
'op': 'Parameter'
},
'node_1': {
'shape': np.array([1, 3, 227, 227]),
'op': 'Parameter'
}
},
nodes_with_edges_only=True)
placeholder_shape = np.array([1, 3, 224, 224])
user_shapes = {
'node_1': [{
'shape': placeholder_shape
}],
'node_2': [{
'shape': placeholder_shape
}],
}
override_placeholder_shapes(graph, user_shapes)
res_shape = graph.node['node_1']['shape']
res_shape2 = graph.node['node_2']['shape']
self.assertTrue(np.array_equal(placeholder_shape, res_shape))
self.assertTrue(np.array_equal(placeholder_shape, res_shape2))
def test_override_placeholder_shapes_real_inputs_and_batch_2(self):
"""
Test case when batch is set, but shapes in user_shapes is None.
"""
graph = build_graph(self.nodes, self.edges)
shapes = {'placeholder_1': [{'shape': None}], 'placeholder_2': [{'shape': None}]}
batch = 4
graph.node['placeholder_2']['shape'] = np.array([1, 2, 3, 4])
graph.node['placeholder_2']['shape'] = np.array([1, 5, 6, 7])
override_placeholder_shapes(graph, shapes, batch)
np.testing.assert_array_equal(graph.node['placeholder_1']['shape'], np.array([4, 2, 3, 4]))
np.testing.assert_array_equal(graph.node['placeholder_2']['shape'], np.array([4, 5, 6, 7]))
def test_override_placeholder_shapes_batch_is_not_set(self):
"""
Test case when batch is not set. (shapes shouldn't change)
"""
graph = build_graph(self.nodes, self.edges)
shapes = {}
batch = None
override_placeholder_shapes(graph, shapes, batch)
res_shape_1 = graph.node['placeholder_1']['shape']
res_shape_2 = graph.node['placeholder_2']['shape']
self.assertTrue(np.array_equal(self.nodes['placeholder_1']['shape'], res_shape_1))
self.assertTrue(np.array_equal(self.nodes['placeholder_2']['shape'], res_shape_2))
def test_override_placeholder_shapes_real_inputs_and_batch(self):
"""
Test case when batch is set and shapes should overwrite by user shapes.
"""
graph = build_graph(self.nodes, self.edges)
shapes = {'placeholder_1': [{'shape': np.array([1, 2, 3, 4])}],
'placeholder_2': [{'shape': np.array([1, 5, 6, 7])}]}
batch = 4
override_placeholder_shapes(graph, shapes, batch)
res_shape_1 = graph.node['placeholder_1']['shape']
res_shape_2 = graph.node['placeholder_2']['shape']
self.assertTrue(np.array_equal(res_shape_1, np.array([4, 2, 3, 4])))
self.assertTrue(np.array_equal(res_shape_2, np.array([4, 5, 6, 7])))
def test_override_placeholder_shapes(self):
"""
Test for case when user_shapes is not None, but it shouldn't rewrite shapes.
"""
graph = build_graph(nodes_attributes,
[('node_1', 'node_2'),
('node_2', 'op_output')
],
{'node_2': {'shape': None},
'node_1': {'shape': np.array([1, 3, 227, 227]), 'op': 'Parameter'}
},
nodes_with_edges_only=True)
node_1_shape = np.array([1, 3, 227, 227])
user_dict = {'some_node': [{'shape': np.zeros((3))}]}
override_placeholder_shapes(graph, user_dict)
res_shape = graph.node['node_1']['shape']
self.assertTrue(np.array_equal(node_1_shape, res_shape))
def test_override_placeholder_shapes(self):
"""
Test for overriding shape in placeholder by shape from user_shapes.
"""
graph = build_graph(nodes_attributes,
[('node_1', 'node_2'),
('node_2', 'op_output')
],
{'node_2': {'shape': None},
'node_1': {'shape': np.array([1, 3, 227, 227]), 'op': 'Parameter'}
},
nodes_with_edges_only=True)
ph_shape = np.array([1, 3, 224, 224])
user_dict = {'node_1': [{'shape': ph_shape}]}
override_placeholder_shapes(graph, user_dict)
res_shape = graph.node['node_1']['shape']
self.assertTrue(np.array_equal(ph_shape, res_shape))
def test_override_placeholder_no_shape(self):
"""
Test for case when user_shapes is not defined.
"""
graph = build_graph(nodes_attributes,
[('node_1', 'node_2'),
('node_2', 'op_output')
],
{'node_2': {'shape': None, 'op': 'Parameter'},
'node_1': {'shape': np.array([1, 3, 227, 227]), 'op': 'Parameter'}
},
nodes_with_edges_only=True)
out = override_placeholder_shapes(graph, None)
res_shape = graph.node['node_1']['shape']
placeholder_shape = np.array([1, 3, 227, 227])
self.assertIsNone(out)
self.assertTrue(np.array_equal(placeholder_shape, res_shape))
def tf2nx(argv: argparse.Namespace, model_file_name: str, output_model_name: str, outputs: list, output_dir: str,
scale: float, is_binary: bool,
user_shapes: [None, list, np.array] = None,
mean_scale_values: [dict, list] = ()):
"""
Convert TF GraphDef object to NetworkX representation.
The resulting graph is still TF-specific and needs normalization passes to be applied.
The specific TF structure assumes each GraphDef node is converted to a single
NetworkX node, node id is an original TF node name, and edges go directly from one op to another op.
"""
meta_info = get_meta_info(argv)
if argv.tensorflow_custom_layer_libraries:
libraries = argv.tensorflow_custom_layer_libraries.split(',')
for library in libraries:
log.info('Loading library "{}" with custom operations'.format(library))
tf.load_op_library(library)
graph_def, variables_values = load_tf_graph_def(graph_file_name=model_file_name, is_binary=is_binary,
checkpoint=argv.input_checkpoint,
user_output_node_names_list=outputs,
model_dir=argv.saved_model_dir,
meta_graph_file=argv.input_meta_graph,
saved_model_tags=argv.saved_model_tags)
try:
tf.import_graph_def(graph_def, name='')
except:
log.warning("TensorFlow post-processing of loaded model was unsuccessful. "
"This is an optional step that Model Optimizer performs for any input model but it is not usually "
"required for all models."
"It likely means that the original model is ill-formed. "
"Model Optimizer will continue converting this model.")
log.debug("Number of nodes in graph_def: {}".format(len(graph_def.node))) # pylint: disable=no-member
if argv.tensorboard_logdir:
tensorboard.dump_for_tensorboard(graph_def, argv.tensorboard_logdir)
update_extractors_with_extensions(tf_op_extractors)
try:
graph = protobuf2nx(graph_def)
graph.__setattr__('name', output_model_name)
# 'layout' parameter change may cause an issue in EltwiseInputReshape replacer
# and convert_nhwc_to_nchw(graph)
graph.graph['layout'] = 'NCHW' if argv.disable_nhwc_to_nchw else 'NHWC'
graph.graph['cmd_params'] = argv
graph.graph['fw'] = 'tf'
graph.graph['ir_version'] = 2 if argv.generate_deprecated_IR_V2 else 4
if graph.graph['ir_version'] == 2:
# When the deprecated IR version was requested,
# we configure only those phases that can lead to
# functional regressions in the version 2.
# BasicLSTMCell is one such transformation; when it is turned off,
# the body of TF basic_lstm_cell is converted as-is in a decomposed form,
# and should work in version 2.
BasicLSTMCell.enabled = False
# placeholder for request from a transformation pass to repeat the entire conversion
graph.graph['repeat_conversion'] = False
graph = restore_edges(graph, get_tf_edges)
graph = remove_control_dependency_inputs(graph)
# extract basic attributes earlier to enable some passes that relies on them before full attribute
# extractor is called
extract_node_attrs(graph, lambda node: (True, common_tf_fields(node)))
except Exception as e:
raise Error(
'Cannot pre-process TensorFlow graph after reading from model file "{}". ' \
'File is corrupt or has unsupported format. Details: {}. ' +
refer_to_faq_msg(44),
model_file_name,
str(e)
) from e
check_empty_graph(graph, 'protobuf2nx. It may happen due to problems with loaded model')
packed_user_shapes, packed_outputs, freeze_placeholder = user_data_repack(graph, user_shapes, outputs,
argv.freeze_placeholder_with_value)
if freeze_placeholder is not None:
FreezePlaceholderValue.enabled = True
FreezePlaceholderValue.replacement_dict = freeze_placeholder
update_registration()
GemmResolver.enabled = False
inputs = list(packed_user_shapes.keys()) if packed_user_shapes is not None and isinstance(packed_user_shapes,
dict) else None
graph.graph['inputs'] = inputs # save user defined inputs for other extensions
output_op_nodes = add_output_ops(graph, packed_outputs, inputs=packed_user_shapes)
input_op_nodes = add_input_ops(graph, packed_user_shapes, True)
# this call of 'graph_clean_up' removes child nodes of outputs which is useful when custom output is specified
graph_clean_up_tf(graph)
check_empty_graph(graph, 'add_output_ops and add_input_ops. It may happen due to absence of \'Placeholder\' layer '
'in the model')
variables_to_constants(graph, variables_values)
del variables_values
graph_clean_up_tf(graph)
if argv.tensorflow_custom_operations_config_update:
if update_custom_replacement_config_file(graph, argv.tensorflow_custom_operations_config_update):
return 0
else:
return 1
unsupported_ops_to_offload_to_tf = list()
MAX_ITERATIONS = 5
cur_iteration = 0
while cur_iteration < MAX_ITERATIONS:
graph_copy = copy.deepcopy(graph) # create a copy of graph for the case when some ops are unsupported
if argv.tensorflow_subgraph_patterns is not None:
csc.replace_subgraph_calls(graph, argv.tensorflow_subgraph_patterns)
if argv.tensorflow_operation_patterns is not None:
csc.offload_operations_to_tf(graph, argv.tensorflow_operation_patterns)
if argv.offload_unsupported_operations_to_tf and len(unsupported_ops_to_offload_to_tf):
csc.offload_unsupported_operations_to_tf(graph, unsupported_ops_to_offload_to_tf)
extract_node_attrs(graph, lambda node: tf_op_extractor(node, check_for_duplicates(tf_op_extractors)))
if argv.tensorflow_use_custom_operations_config is not None:
registry = CustomReplacementRegistry()
registry.add_custom_replacement_description_from_config(argv.tensorflow_use_custom_operations_config)
# automatically generate sub-classes for custom replacements that replace sub-graph with a single node
for replacement_desc in registry.get_all_replacements_descriptions():
if replacement_desc.has('op'):
type('FrontReplacementFromConfigFileOp' + replacement_desc.op, (FrontReplacementFromConfigFileOp,),
{'replacement_id': replacement_desc.id})
update_registration()
override_placeholder_shapes(graph, packed_user_shapes)
# the user shapes are used to convert TensorFlow Object Detection API models
graph.graph['user_shapes'] = packed_user_shapes
class_registration.apply_replacements(graph, class_registration.ClassType.FRONT_REPLACER)
override_batch(graph, argv.batch)
create_tensor_nodes(graph)
graph_clean_up_tf(graph)
remove_output_ops(graph)
partial_infer(graph)
delete_control_flow_edges(graph)
replacer = AddIsCyclicAttribute()
replacer.find_and_replace_pattern(graph)
# TENSOR ITERATOR CREATING BEGINS
if graph.graph['is_cyclic']:
replacer = DeleteSelect()
replacer.find_and_replace_pattern(graph)
replacer = SmartInputMatcher()
replacer.find_and_replace_pattern(graph)
replacer = SmartOutputMatcher()
replacer.find_and_replace_pattern(graph)
replacer = LoopConditionMatcher()
replacer.find_and_replace_pattern(graph)
replacer = SimpleConditionMather()
replacer.find_and_replace_pattern(graph)
replacer = BackEdgesMatching()
replacer.find_and_replace_pattern(graph)
replacer = ConditionChecks()
replacer.find_and_replace_pattern(graph)
delete_not_executable(graph)
graph_clean_up_tf(graph)
if graph.graph['is_cyclic']:
replacer = SimpleInputMatcher()
replacer.find_and_replace_pattern(graph)
replacer = BackEdgeSimpleInputMatcher()
replacer.find_and_replace_pattern(graph)
# Here will be optimizing path (ops after Enter and before body take out of body)
replacer = TensorIteratorMerge()
replacer.find_and_replace_pattern(graph)
# TENSOR ITERATOR CREATING ENDS
check_for_cycle(graph)
for_graph_and_each_sub_graph_recursively(graph, graph_clean_up_tf)
check_empty_graph(graph, 'partial_infer')
csc.prepare_tf_call_nodes(graph)
graph_clean_up_tf(graph)
duplicate_shared_weights(graph)
input_op_nodes = add_input_ops(graph, packed_user_shapes, False)
graph_clean_up_tf(graph)
check_empty_graph(graph, 'add_input_ops')
change_placeholders_types_to_FP32(graph)
scale_input(graph, scale)
add_mean_scale_values(graph, mean_scale_values)
convert_dilated_convolution(graph)
for_graph_and_each_sub_graph_recursively(graph, graph_clean_up_tf)
l2_norm_to_norm(graph)
graph_clean_up_tf(graph)
remove_op_nodes(graph, {'identity': True})
remove_useless_split(graph)
class_registration.apply_replacements(graph, class_registration.ClassType.MIDDLE_REPLACER)
mean_to_avgpool(graph)
convert_nasnet(graph)
fuse_pad(graph)
graph_clean_up_tf(graph)
convert_matmul_to_fully_connected(graph)
# Mark nodes with attr 'can_be_fused': False to disable fusing for specified nodes
for_graph_and_each_sub_graph_recursively(graph, lambda graph: mark_unfused_nodes(graph, argv.finegrain_fusing))
# Converting FusedBatchNorm layer to Mul->Add->Mul->Add sequence
# IE doesn't support BN with 4 inputs, so we have to split it to two ScaleShift
convert_batch_norm(graph)
graph_clean_up_tf(graph)
if not argv.disable_fusing:
# Converting ScaleShift layer to Mul->Add
for_graph_and_each_sub_graph_recursively(graph, convert_scale_shift_to_mul_add)
for_graph_and_each_sub_graph_recursively(graph, graph_clean_up_tf)
# Fusing the sequences of Mul/Add operations
for_graph_and_each_sub_graph_recursively(graph, fuse_mul_add_sequence)
for_graph_and_each_sub_graph_recursively(graph, graph_clean_up_tf)
# Fusing linear operation to Convolution
for_graph_and_each_sub_graph_recursively(graph, fuse_linear_ops)
for_graph_and_each_sub_graph_recursively(graph, graph_clean_up_tf)
if not argv.disable_gfusing:
grouped_convolutions_fusing(graph)
graph_clean_up_tf(graph)
if not argv.disable_fusing:
fuse_linear_ops(graph)
graph_clean_up_tf(graph)
# Converting Mul->Add to ScaleShift node
for_graph_and_each_sub_graph_recursively(graph, convert_muladd_to_scaleshift_or_power)
for_graph_and_each_sub_graph_recursively(graph, graph_clean_up_tf)
for_graph_and_each_sub_graph_recursively(graph, convert_mul_add_to_power)
# Need to eliminate dead nodes before doing update_fully_connected_shapes
# because update_fully_connected_shapes does partial inference and dead
# nodes will lead to sporadic failures.
for_graph_and_each_sub_graph_recursively(graph, graph_clean_up_tf)
for_graph_and_each_sub_graph_recursively(graph, update_fully_connected_shapes)
for_graph_and_each_sub_graph_recursively(graph, convert_mul_eltwise_to_leaky_relu)
graph_clean_up_tf(graph)
for_graph_and_each_sub_graph_recursively(graph, graph_clean_up_tf)
for_graph_and_each_sub_graph_recursively(graph, fuse_pad)
for_graph_and_each_sub_graph_recursively(graph, graph_clean_up_tf)
for_graph_and_each_sub_graph_recursively(graph, convert_reshape)
for_graph_and_each_sub_graph_recursively(graph, convert_squeeze)
for_graph_and_each_sub_graph_recursively(graph, convert_add_to_scaleshift) # scale = 1
for_graph_and_each_sub_graph_recursively(graph, convert_mul_to_scaleshift) # biases = 0
if argv.reverse_input_channels:
reverse_input_channels(graph)
if argv.move_to_preprocess:
move_scaleshift_to_preprocess(graph)
graph_clean_up_tf(graph)
for_graph_and_each_sub_graph_recursively(graph, fuse_sequence_of_reshapes)
pattern = EltwiseInputNormalize()
pattern.find_and_replace_pattern(graph)
conv_flatten_concat(graph)
for_graph_and_each_sub_graph_recursively(graph, apply_nhwc_to_nchw_permutation)
for_graph_and_each_sub_graph_recursively(graph, merge_nodes_permutations)
for_graph_and_each_sub_graph_recursively(graph, permute_data_nodes_attrs)
for_graph_and_each_sub_graph_recursively(graph, permute_op_nodes_attrs)
for_graph_and_each_sub_graph_recursively(graph, repack_fully_connected_weights_nhwc_to_nchw)
for_graph_and_each_sub_graph_recursively(graph, transpose_fully_connected_weights)
for_graph_and_each_sub_graph_recursively(graph, graph_clean_up_tf)
if argv.offload_unsupported_operations_to_tf:
unsupported_ops_to_offload_to_tf = find_unsupported_ops(graph)
if len(unsupported_ops_to_offload_to_tf) == 0:
log.info('All operations are supported! Exit from the loop.')
if not need_to_repeat_conversion(graph):
break
else:
print('After {} iteration there are {} unsupported ops'.format(cur_iteration + 1,
len(unsupported_ops_to_offload_to_tf)))
else:
if not need_to_repeat_conversion(graph):
break
graph = graph_copy
cur_iteration += 1
class_registration.apply_replacements(graph, class_registration.ClassType.BACK_REPLACER)
prepare_emit_ir(graph=graph, data_type=argv.data_type, output_dir=output_dir, output_model_name=output_model_name,
meta_info=meta_info)
return 0
def driver_R5(onnx_modelproto_bytes,
precision: str,
output_model_name: str,
outputs: list,
output_dir: str,
scale: float,
user_shapes: [None, list, np.array] = None,
mean_scale_values: [dict, list] = ()):
try:
model_proto = onnx.load_from_string(bytes(onnx_modelproto_bytes))
except Exception as e:
print("[python] onnx exception: ", str(e))
model_graph = model_proto.graph # pylint: disable=no-member
log.debug("Number of nodes in graph_def: {}".format(len(model_graph.node)))
log.debug(
"Number of all input ports (not true inputs) in graph_def: {}".format(
len(model_graph.input)))
log.debug("Number of initializers in graph_def: {}".format(
len(model_graph.initializer)))
log.debug("Number of real inputs in graph_def: {}".format(
len(model_graph.input) - len(model_graph.initializer)))
update_extractors_with_extensions(onnx_op_extractors)
try:
graph = protobuf2nx(model_proto)
log.debug("Number of nodes in NX graph: {}".format(
graph.number_of_nodes()))
graph.__setattr__(
'name',
output_model_name if output_model_name else model_proto.graph.name) # pylint: disable=no-member
graph.graph['layout'] = 'NCHW'
graph.graph['fw'] = 'onnx'
graph.graph[
'feature_dim'] = 1 if graph.graph['layout'] == 'NCHW' else 3
graph.graph['ir_version'] = 4
extract_node_attrs(graph, lambda node:
(True, common_onnx_fields(node)))
except Exception as e:
raise Error(
'Cannot pre-process ONNX graph after reading from model file "{}". '
'File is corrupt or has unsupported format. Details: {}. ' +
refer_to_faq_msg(44), model_file_name, str(e)) from e
check_empty_graph(
graph, 'protobuf2nx. It may happen due to problems with loaded model')
packed_user_shapes, packed_outputs, _ = user_data_repack(
graph, user_shapes, outputs, None)
output_op_nodes = add_output_ops(graph, packed_outputs)
input_op_nodes = add_input_ops(graph, packed_user_shapes, True)
graph_clean_up(graph)
check_empty_graph(graph, 'add_output_ops and add_input_ops')
extract_node_attrs(
graph, lambda node: onnx_op_extractor(
node, check_for_duplicates(onnx_op_extractors)))
class_registration.apply_replacements(
graph, class_registration.ClassType.FRONT_REPLACER)
create_tensor_nodes(graph)
graph_clean_up(graph)
override_placeholder_shapes(graph, packed_user_shapes)
graph_clean_up(graph)
remove_op_nodes(graph, {'op': 'Identity'})
graph_clean_up(graph)
remove_output_ops(graph)
partial_infer(graph)
graph_clean_up(graph)
check_empty_graph(graph, 'partial_infer')
input_op_nodes = add_input_ops(graph, packed_user_shapes, False)
graph_clean_up(graph)
check_empty_graph(graph, 'add_input_ops')
scale_input(graph, scale)
add_mean_scale_values(graph, mean_scale_values)
convert_dilated_convolution(graph)
graph_clean_up(graph)
graph_clean_up(graph)
remove_op_nodes(graph, {'op': 'Identity'})
remove_useless_split(graph)
class_registration.apply_replacements(
graph, class_registration.ClassType.MIDDLE_REPLACER)
convert_gemm_to_fully_connected(graph)
NormalizeFullyConnected().find_and_replace_pattern(graph)
fuse_pad(graph)
graph_clean_up(graph)
convert_batch_norm(graph)
graph_clean_up(graph)
convert_scale_shift_to_mul_add(graph)
graph_clean_up(graph)
fuse_mul_add_sequence(graph)
graph_clean_up(graph)
fuse_linear_ops(graph)
graph_clean_up(graph)
grouped_convolutions_fusing(graph)
graph_clean_up(graph)
fuse_linear_ops(graph)
graph_clean_up(graph)
convert_muladd_to_scaleshift_or_power(graph)
graph_clean_up(graph)
convert_mul_add_to_power(graph)
graph_clean_up(graph)
convert_reshape(graph)
convert_add_to_scaleshift(graph) # scale = 1
convert_mul_to_scaleshift(graph) # biases = 0
fuse_pad(graph)
graph_clean_up(graph)
fuse_sequence_of_reshapes(graph)
graph_clean_up(graph)
pattern = EltwiseInputNormalize()
pattern.find_and_replace_pattern(graph)
merge_nodes_permutations(graph)
permute_data_nodes_attrs(graph)
permute_op_nodes_attrs(graph)
class_registration.apply_replacements(
graph, class_registration.ClassType.BACK_REPLACER)
weights, xml_string = prepare_emit_ir(graph=graph,
data_type=precision,
output_dir=output_dir,
output_model_name=output_model_name,
meta_info={'unset': []})
return weights, xml_string
def driver(argv: argparse.Namespace,
proto_file_name: str,
model_file_name: str,
output_model_name: str,
outputs: list,
output_dir: str,
scale: float,
user_shapes: [None, list, np.array] = None,
mean_scale_values: [dict, list] = (),
mean_file: str = "",
mean_file_offsets: tuple = None,
custom_layers_mapping_path: str = None):
meta_info = get_meta_info(argv)
FusePermutesSequence.enabled = False
proto, model = loader.load_caffe_proto_model(proto_file_name,
model_file_name)
update_extractors_with_extensions(
caffe_type_extractors, argv.disable_omitting_optional if hasattr(
argv, 'disable_omitting_optional') else False,
argv.disable_flattening_optional_params if hasattr(
argv, 'disable_flattening_optional_params') else False)
try:
graph, original_shapes = loader.caffe_pb_to_nx(proto, model)
except ValueError as e:
raise Error(
'Invalid prototxt file: value error {}. ' + refer_to_faq_msg(11),
str(e)) from e
log.debug("After caffe_pb_to_nx")
print_graph_stat(graph)
check_empty_graph(graph, 'load_caffe_proto_model')
graph.__setattr__('proto_path', proto_file_name)
graph.__setattr__('caffemodel_path', model_file_name)
graph.__setattr__('name',
getattr(proto, 'name', None) or output_model_name)
graph.graph['layout'] = 'NCHW'
graph.graph['cmd_params'] = argv
graph.graph['fw'] = 'caffe'
graph.graph['ir_version'] = 2 if argv.generate_deprecated_IR_V2 else 4
extract_node_attrs(graph, lambda node: (True, common_caffe_fields(node)))
log.debug("After adding specific nodes for outputs")
print_graph_stat(graph)
custom_layers_map = custom_layers_mapping.load_layers_xml(
custom_layers_mapping_path)
custom_layers_mapping.update_extractors(
caffe_type_extractors,
custom_layers_map, argv.disable_omitting_optional if hasattr(
argv, 'disable_omitting_optional') else False,
argv.enable_flattening_nested_params if hasattr(
argv, 'enable_flattening_nested_params') else False)
extract_node_attrs(
graph, lambda node: caffe_extractor(
node, check_for_duplicates(caffe_type_extractors)))
log.debug("After extract_node_attr")
print_graph_stat(graph)
packed_user_shapes, packed_outputs, freeze_placeholder = user_data_repack(
graph, user_shapes, outputs, argv.freeze_placeholder_with_value)
if argv.freeze_placeholder_with_value is not None:
FreezePlaceholderValue.enabled = True
FreezePlaceholderValue.replacement_dict = freeze_placeholder
class_registration.update_registration([FrontReplacementSubgraph])
output_op_nodes = add_output_ops(graph, packed_outputs)
input_op_nodes = add_input_ops(graph, packed_user_shapes, True)
override_placeholder_shapes(graph, packed_user_shapes)
override_batch(graph, argv.batch)
graph_clean_up(graph)
check_empty_graph(graph, 'add_output_ops and add_input_ops')
class_registration.apply_replacements(
graph, class_registration.ClassType.FRONT_REPLACER)
graph = create_tensor_nodes(graph)
log.debug("After create_tensor_nodes")
print_graph_stat(graph)
remove_op_nodes(graph, {'op': 'Identity'})
remove_output_ops(graph)
graph_clean_up(graph)
log.debug("After removing specific nodes for output")
print_graph_stat(graph)
# you need to pass required network outputs here
# but we don't have a way yet, so just passing all discovered sinks
mark_outputs(graph)
graph_clean_up(graph)
log.debug("After graph_cleanup")
print_graph_stat(graph)
graph = partial_infer(graph)
log.debug("After partial_infer")
print_graph_stat(graph)
check_empty_graph(graph, 'partial_infer')
duplicate_shared_weights(graph)
input_op_nodes = add_input_ops(graph, packed_user_shapes, False)
graph_clean_up(graph)
check_empty_graph(graph, 'add_input_ops')
scale_input(graph, scale)
add_mean_scale_values(graph, mean_scale_values)
log.debug("Split multi input convolutions")
convert_multi_input_conv(graph)
graph_clean_up(graph)
log.debug("After graph_cleanup")
print_graph_stat(graph)
remove_op_nodes(graph, {'op': 'Dropout'})
remove_op_nodes(graph, {'phase': 0})
graph_clean_up(graph)
class_registration.apply_replacements(
graph, class_registration.ClassType.MIDDLE_REPLACER)
mean_to_avgpool(graph)
# Mark nodes with attr 'can_be_fused': False to disable fusing for specified nodes
mark_unfused_nodes(graph, argv.finegrain_fusing)
#need this pass even without fusing to convert scale with 2 inputs
convert_scale_shift_to_mul_add(graph)
graph_clean_up(graph)
if not argv.disable_fusing:
convert_bn_to_mul_add(graph)
graph_clean_up(graph)
fuse_mul_add_sequence(graph)
graph_clean_up(graph)
fuse_linear_ops(graph)
graph_clean_up(graph)
if not argv.disable_resnet_optimization:
stride_optimization(graph)
convert_muladd_to_scaleshift_or_power(graph)
convert_matmul_to_fully_connected(graph)
batch_norm_fuse(graph)
convert_mul_add_to_power(graph)
convert_add_to_scaleshift(graph) # scale = 1
convert_mul_to_scaleshift(graph) # biases = 0
graph_clean_up(graph)
log.debug("After graph_cleanup")
print_graph_stat(graph)
if argv.reverse_input_channels:
reverse_input_channels(graph)
if argv.move_to_preprocess:
move_scaleshift_to_preprocess(graph)
graph_clean_up(graph)
fuse_sequence_of_reshapes(graph)
input_names = find_inputs(graph)
mf = []
try:
if mean_file and len(original_shapes) == 1:
mf = loader.parse_mean(mean_file, original_shapes[input_names[0]],
mean_file_offsets)
elif mean_file:
raise Error(
'Mean file for topologies with multiple inputs is not supported. '
+ refer_to_faq_msg(9))
except ValueError as e:
raise Error(
'Cannot load or process mean file: value error {}. ' +
refer_to_faq_msg(10), str(e)) from e
class_registration.apply_replacements(
graph, class_registration.ClassType.BACK_REPLACER)
prepare_emit_ir(graph=graph,
data_type=argv.data_type,
output_dir=output_dir,
output_model_name=output_model_name,
mean_data=mf,
input_names=input_names,
meta_info=meta_info)
return 0
def driver(argv: argparse.Namespace, input_model: str, output_model_name: str, outputs: list, output_dir: str,
scale: float,
placeholder_shapes: [None, list, np.array] = None,
mean_scale_values: [dict, list] = ()):
meta_info = get_meta_info(argv)
try:
model_nodes, model_params, model_name, iteration_number = load_symbol_def(input_model, argv.input_symbol,
argv.input,
argv.nd_prefix_name,
argv.pretrained_model_name,
argv.legacy_mxnet_model)
except (ValueError, mxnet.base.MXNetError) as e:
raise FrameworkError(
'The following error happened while loading mxnet model {}: {}. ' +
refer_to_faq_msg(53),
input_model,
str(e)
) from e
if argv.nd_prefix_name and argv.pretrained_model_name and argv.save_params_from_nd:
save_params_file(model_name, model_params._arg_params, model_params._aux_params, iteration_number)
update_extractors_with_extensions(mxnet_op_extractors)
graph = symbol2nx(model_nodes, model_params, argv.input)
check_empty_graph(graph, 'symbol2nx. It may happen due to problems with loaded model')
graph.__setattr__('name', output_model_name)
graph.graph['layout'] = 'NCHW'
graph.graph['cmd_params'] = argv
graph.graph['fw'] = 'mxnet'
graph.graph['feature_dim'] = 1 if graph.graph['layout'] == 'NCHW' else 3
graph.graph['ir_version'] = 2 if argv.generate_deprecated_IR_V2 else 4
graph = extract_node_attrs(graph, mxnet_op_extractor)
check_softmax_node_inputs(graph)
user_shapes, packed_outputs, _ = user_data_repack(graph, placeholder_shapes, outputs, None)
output_op_nodes = add_output_ops(graph, packed_outputs)
input_op_nodes = add_input_ops(graph, user_shapes, True)
try:
override_placeholder_shapes(graph, user_shapes, argv.batch)
except ValueError as err:
raise Error(
'The following error happened while processing input shapes: {}. ' +
refer_to_faq_msg(54),
str(err)
) from err
check_empty_graph(graph, 'add_output_ops and add_input_ops')
class_registration.apply_replacements(graph, class_registration.ClassType.FRONT_REPLACER)
add_input_data_to_prior_boxes(graph, argv.input)
graph = create_tensor_nodes(graph)
graph_clean_up(graph)
remove_output_ops(graph)
mark_outputs(graph)
remove_output_ops(graph)
graph_clean_up(graph)
log.debug("After removing specific nodes for output")
print_graph_stat(graph)
graph = partial_infer(graph)
graph_clean_up(graph)
check_empty_graph(graph, 'partial_infer')
duplicate_shared_weights(graph)
scale_input(graph, scale)
add_mean_scale_values(graph, mean_scale_values)
remove_op_nodes(graph, {'identity': True})
graph_clean_up(graph)
class_registration.apply_replacements(graph, class_registration.ClassType.MIDDLE_REPLACER)
fuse_pad(graph)
# Mark nodes with attr 'can_be_fused': False to disable fusing for specified nodes
mark_unfused_nodes(graph, argv.finegrain_fusing)
# Converting FusedBatchNorm layer to Mul->Add->Mul->Add sequence
convert_batch_norm(graph)
graph_clean_up(graph)
if not argv.disable_fusing:
# Converting ScaleShift layer to Mul->Add
convert_scale_shift_to_mul_add(graph)
graph_clean_up(graph)
# Fusing the sequences of Mul/Add operations
fuse_mul_add_sequence(graph)
graph_clean_up(graph)
# Fusing linear operation to Convolution
fuse_linear_ops(graph)
graph_clean_up(graph)
if not argv.disable_resnet_optimization:
stride_optimization(graph)
fuse_pad(graph)
# Converting Mul->Add to ScaleShift node
convert_muladd_to_scaleshift_or_power(graph)
graph_clean_up(graph)
convert_mul_add_to_power(graph)
convert_add_to_scaleshift(graph) # scale = 1
convert_mul_to_scaleshift(graph) # biases = 0
if argv.reverse_input_channels:
reverse_input_channels(graph)
if argv.move_to_preprocess:
move_scaleshift_to_preprocess(graph)
graph_clean_up(graph)
pattern = EltwiseInputNormalize()
pattern.find_and_replace_pattern(graph)
class_registration.apply_replacements(graph, class_registration.ClassType.BACK_REPLACER)
prepare_emit_ir(graph=graph, data_type=argv.data_type, output_dir=output_dir, output_model_name=output_model_name,
meta_info=meta_info)
return 0
def driver(argv,
input_model,
output_model_name,
outputs,
output_dir,
scale,
placeholder_shapes=None,
mean_scale_values=()):
meta_info = get_meta_info(argv)
EltwiseChecker.enabled = False
try:
graph, input_shapes = load_kaldi_model(input_model)
except Exception as e:
raise Error('Model Optimizer is not able to read Kaldi model {}. '.
format(input_model) + refer_to_faq_msg(91)) from e
check_empty_graph(graph, 'load_kaldi_nnet_model')
graph.graph['cmd_params'] = argv
graph.graph['fw'] = 'kaldi'
graph.graph['ir_version'] = 2 if argv.generate_deprecated_IR_V2 else 4
update_extractors_with_extensions(kaldi_type_extractors)
extract_node_attrs(graph, lambda node: kaldi_extractor(node))
class_registration.apply_replacements(
graph, class_registration.ClassType.FRONT_REPLACER)
output_op_nodes = add_output_ops(
graph, outputs) # TODO pass real outputs instead of None
log.debug("After adding specific nodes for outputs")
print_graph_stat(graph)
check_empty_graph(graph, 'add_output_ops')
create_tensor_nodes(graph)
graph_clean_up(graph)
log.debug("After removing specific nodes for output")
print_graph_stat(graph)
override_placeholder_shapes(graph, placeholder_shapes)
override_batch(graph, argv.batch)
graph_clean_up(graph)
log.debug("After setting input shapes")
print_graph_stat(graph)
graph_clean_up(graph)
remove_output_ops(graph)
log.debug("After removing specific nodes for output")
print_graph_stat(graph)
# You need to pass required network outputs here
# but we don't have a way yet, so just passing all discovered sinks
mark_outputs(graph)
graph_clean_up(graph)
log.debug("After graph_cleanup")
print_graph_stat(graph)
graph = partial_infer(graph)
# The order is intentional, firstly eliminate repeated, then remove redundant
FuseRepeatedReshapes().find_and_replace_pattern(graph)
EliminateRedundantReshape().find_and_replace_pattern(graph)
check_empty_graph(graph, 'partial_infer')
if argv.counts:
try:
counts = read_counts_file(argv.counts)
except Exception as e:
raise Error('Model Optimizer is not able to read counts file {}'.
format(argv.counts) + refer_to_faq_msg(92)) from e
apply_biases_to_last_layer(graph, counts)
if argv.remove_output_softmax:
RemoveLastSoftMaxPattern().find_and_replace_pattern(graph)
graph_clean_up(graph)
log.debug("After removing softmax")
print_graph_stat(graph)
# Intentionally after all transformations
KaldiRemoveMemoryOutputBackReplacementPattern().find_and_replace_pattern(
graph)
prepare_emit_ir(graph,
argv.data_type,
output_dir,
output_model_name,
meta_info=meta_info)
return 0
def driver(argv: argparse.Namespace,
model_file_name: str,
output_model_name: str,
outputs: list,
output_dir: str,
scale: float,
user_shapes: [None, list, np.array] = None,
mean_scale_values: [dict, list] = ()):
meta_info = get_meta_info(argv)
model_proto = load_onnx_model(model_file_name)
model_graph = model_proto.graph # pylint: disable=no-member
#print(model_graph)
#assert len(model_graph) == 1, "An ONNX model contains more than 1 graph: unsupported"
log.debug("Number of nodes in graph_def: {}".format(len(model_graph.node)))
log.debug(
"Number of all input ports (not true inputs) in graph_def: {}".format(
len(model_graph.input)))
log.debug("Number of initializers in graph_def: {}".format(
len(model_graph.initializer)))
log.debug("Number of real inputs in graph_def: {}".format(
len(model_graph.input) - len(model_graph.initializer)))
update_extractors_with_extensions(onnx_op_extractors)
try:
graph = protobuf2nx(model_proto)
log.debug("Number of nodes in NX graph: {}".format(
graph.number_of_nodes()))
graph.__setattr__(
'name',
output_model_name if output_model_name else model_proto.graph.name) # pylint: disable=no-member
graph.graph['layout'] = 'NCHW'
graph.graph['cmd_params'] = argv
graph.graph['fw'] = 'onnx'
graph.graph[
'feature_dim'] = 1 if graph.graph['layout'] == 'NCHW' else 3
graph.graph['ir_version'] = 2 if argv.generate_deprecated_IR_V2 else 4
# extract basic attributes earlier to enable some passes that relies on them before full attribute
# extractor is called
extract_node_attrs(graph, lambda node:
(True, common_onnx_fields(node)))
except Exception as e:
raise Error(
'Cannot pre-process ONNX graph after reading from model file "{}". ' \
'File is corrupt or has unsupported format. Details: {}. ' +
refer_to_faq_msg(44),
model_file_name,
str(e)
) from e
check_empty_graph(
graph, 'protobuf2nx. It may happen due to problems with loaded model')
packed_user_shapes, packed_outputs, _ = user_data_repack(
graph, user_shapes, outputs, None)
output_op_nodes = add_output_ops(graph, packed_outputs)
input_op_nodes = add_input_ops(graph, packed_user_shapes, True)
# this call of 'graph_clean_up' removes child nodes of outputs which is useful when custom output is specified
graph_clean_up(graph)
check_empty_graph(graph, 'add_output_ops and add_input_ops')
extract_node_attrs(
graph, lambda node: onnx_op_extractor(
node, check_for_duplicates(onnx_op_extractors)))
class_registration.apply_replacements(
graph, class_registration.ClassType.FRONT_REPLACER)
create_tensor_nodes(graph)
graph_clean_up(graph)
override_placeholder_shapes(graph, packed_user_shapes)
override_batch(graph, argv.batch)
graph_clean_up(graph)
remove_op_nodes(graph, {'op': 'Identity'})
graph_clean_up(graph)
remove_output_ops(graph)
partial_infer(graph)
graph_clean_up(graph)
check_empty_graph(graph, 'partial_infer')
input_op_nodes = add_input_ops(graph, packed_user_shapes, False)
graph_clean_up(graph)
check_empty_graph(graph, 'add_input_ops')
#change_placeholders_types_to_FP32(graph)
scale_input(graph, scale)
add_mean_scale_values(graph, mean_scale_values)
convert_dilated_convolution(graph)
graph_clean_up(graph)
graph_clean_up(graph)
remove_op_nodes(graph, {'op': 'Identity'})
remove_useless_split(graph)
class_registration.apply_replacements(
graph, class_registration.ClassType.MIDDLE_REPLACER)
convert_gemm_to_fully_connected(graph)
NormalizeFullyConnected().find_and_replace_pattern(graph)
fuse_pad(graph)
graph_clean_up(graph)
# Mark nodes with attr 'can_be_fused': False to disable fusing for specified nodes
mark_unfused_nodes(graph, argv.finegrain_fusing)
# Converting FusedBatchNorm layer to Mul->Add->Mul->Add sequence
# IE doesn't support BN with 4 inputs, so we have to split it to two ScaleShift
convert_batch_norm(graph)
graph_clean_up(graph)
if not argv.disable_fusing:
# Converting ScaleShift layer to Mul->Add
convert_scale_shift_to_mul_add(graph)
graph_clean_up(graph)
# Fusing the sequences of Mul/Add operations
fuse_mul_add_sequence(graph)
graph_clean_up(graph)
# Fusing linear operation to Convolution
fuse_linear_ops(graph)
graph_clean_up(graph)
if not argv.disable_gfusing:
grouped_convolutions_fusing(graph)
graph_clean_up(graph)
if not argv.disable_fusing:
fuse_linear_ops(graph)
graph_clean_up(graph)
convert_muladd_to_scaleshift_or_power(graph)
graph_clean_up(graph)
convert_mul_add_to_power(graph)
graph_clean_up(graph)
convert_reshape(graph)
convert_add_to_scaleshift(graph) # scale = 1
convert_mul_to_scaleshift(graph) # biases = 0
fuse_pad(graph)
graph_clean_up(graph)
if argv.reverse_input_channels:
reverse_input_channels(graph)
if argv.move_to_preprocess:
move_scaleshift_to_preprocess(graph)
graph_clean_up(graph)
fuse_sequence_of_reshapes(graph)
graph_clean_up(graph)
pattern = EltwiseInputNormalize()
pattern.find_and_replace_pattern(graph)
merge_nodes_permutations(graph)
permute_data_nodes_attrs(graph)
permute_op_nodes_attrs(graph)
class_registration.apply_replacements(
graph, class_registration.ClassType.BACK_REPLACER)
prepare_emit_ir(graph=graph,
data_type=argv.data_type,
output_dir=output_dir,
output_model_name=output_model_name,
meta_info=meta_info)
return 0
