def load(self, graph: Graph):
argv = graph.graph['cmd_params']
try:
model_nodes, model_params, model_name, iteration_number = load_symbol_def(
argv.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), argv.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)
symbol2nx(graph, model_nodes, model_params, argv.input)
graph.check_empty_graph(
'symbol2nx. It may happen due to problems with loaded model')
graph.graph['layout'] = 'NCHW'
graph.graph['fw'] = 'mxnet'
graph.graph[
'feature_dim'] = 1 if graph.graph['layout'] == 'NCHW' else 3
extract_node_attrs(graph, mxnet_op_extractor)
def driver(argv: argparse.Namespace, input_model: str, output_model_name: str,
output_dir: str):
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)
graph.check_empty_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
if graph.graph['cmd_params'].generate_experimental_IR_V10:
version = 10
else:
version = 6
graph.graph[
'ir_version'] = 2 if argv.generate_deprecated_IR_V2 else version
extract_node_attrs(graph, mxnet_op_extractor)
# --------------------------------- LOAD END ------------------------------------------------------
class_registration.apply_replacements(graph, [
class_registration.ClassType.FRONT_REPLACER,
class_registration.ClassType.MIDDLE_REPLACER,
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: 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: argparse.Namespace, input_model: str, output_model_name: str,
output_dir: str):
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)
graph.check_empty_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 5
extract_node_attrs(graph, mxnet_op_extractor)
# --------------------------------- LOAD END ------------------------------------------------------
class_registration.apply_replacements(
graph, class_registration.ClassType.FRONT_REPLACER)
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)
graph_clean_up(graph)
convert_add_or_mul_to_scaleshift(graph) # scale = 1
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)
pattern = EltwiseInputNormalize()
pattern.find_and_replace_pattern(graph)
class_registration.apply_replacements(
graph, class_registration.ClassType.BACK_REPLACER)
for_graph_and_each_sub_graph_recursively(graph, remove_const_ops)
CreateConstNodesReplacement().find_and_replace_pattern(graph)
for_graph_and_each_sub_graph_recursively(graph, remove_output_ops)
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