def convert_ops(self, graph_def):
for n in graph_def.node:
node = OnnxNode(n)
mace_check(
node.op_type in self._op_converters,
"Mace does not support onnx op type %s yet" % node.op_type)
self._op_converters[node.op_type](node)
def convert_folded_batchnorm(self, caffe_op):
op = self.convert_general_op(caffe_op)
op.type = MaceOp.BatchNorm.name
scale_op = None
for consumer in self._caffe_net.get_consumers(caffe_op.layer.top[0]):
if consumer.type == 'Scale':
scale_op = consumer
mace_check(scale_op is not None, "batchnorm is not followed by scale")
self._skip_ops.append(scale_op)
epsilon_value = caffe_op.layer.batch_norm_param.eps
mace_check(caffe_op.blobs[2][0] != 0, "batchnorm scalar is zero")
mean_value = (1. / caffe_op.blobs[2][0]) * caffe_op.blobs[0]
var_value = (1. / caffe_op.blobs[2][0]) * caffe_op.blobs[1]
gamma_value = scale_op.blobs[0]
beta_value = np.zeros_like(mean_value)
if len(scale_op.blobs) == 2:
beta_value = scale_op.blobs[1]
scale_value = (
(1.0 / np.vectorize(math.sqrt)(var_value + epsilon_value)) *
gamma_value).reshape(-1)
offset_value = ((-mean_value * scale_value) + beta_value).reshape(-1)
input_names = [op.name + '_scale', op.name + '_offset']
self.add_tensor(input_names[0],
scale_value.reshape(-1).shape, mace_pb2.DT_FLOAT,
scale_value)
self.add_tensor(input_names[1],
offset_value.reshape(-1).shape, mace_pb2.DT_FLOAT,
offset_value)
op.input.extend([name for name in input_names])
op.output[:] = scale_op.layer.top[:]
def add_min_max_const_node(self,
this_op,
tensor_name,
add_min=True,
add_max=True,
diff_port=True):
op, port = get_op_and_port_from_tensor(tensor_name)
mace_check(port == 0, 'port should be 0 to add min max tensor then.')
if tensor_name in self._quantize_activation_info:
quantize_info = self._quantize_activation_info[tensor_name]
minval = quantize_info.minval
maxval = quantize_info.maxval
is_activation = True
elif tensor_name in self._consts:
tensor = self._consts[tensor_name]
minval = tensor.minval
maxval = tensor.maxval
is_activation = False
else:
raise Exception('Quantize info not found: ', tensor_name)
if add_min:
if is_activation and diff_port:
min_tensor_name = op + ':1'
else:
min_tensor_name = op + '_min:0'
self.add_min_max(min_tensor_name, minval)
this_op.input.extend([min_tensor_name])
if add_max:
if is_activation and diff_port:
max_tensor_name = op + ':2'
else:
max_tensor_name = op + '_max:0'
self.add_min_max(max_tensor_name, maxval)
this_op.input.extend([max_tensor_name])
def convert_tensors(self, graph_def):
initializer = graph_def.initializer
if initializer:
for init in initializer:
tensor = self._mace_net_def.tensors.add()
tensor.name = init.name
onnx_tensor = numpy_helper.to_array(init)
tensor.dims.extend(list(init.dims))
data_type = onnx_dtype(init.data_type)
if data_type == np.float32 or data_type == np.float64:
tensor.data_type = mace_pb2.DT_FLOAT
tensor.float_data.extend(
onnx_tensor.astype(np.float32).flat)
elif data_type == np.int32:
tensor.data_type = mace_pb2.DT_INT32
tensor.int32_data.extend(onnx_tensor.astype(np.int32).flat)
elif data_type == np.int64:
tensor.data_type = mace_pb2.DT_INT32
tensor.int32_data.extend(onnx_tensor.astype(np.int32).flat)
else:
mace_check(False,
"Not supported tensor type: %s" % data_type)
self._consts[tensor.name] = tensor
def convert_ops(self):
for tf_op in self._tf_graph.get_operations():
mace_check(tf_op.type in self._op_converters,
"Mace does not support tensorflow op type %s yet"
% tf_op.type)
self._op_converters[tf_op.type](tf_op)
self.convert_tensors()
def convert_folded_batchnorm(self, caffe_op):
op = self.convert_general_op(caffe_op)
op.type = MaceOp.FoldedBatchNorm.name
scale_op = None
for consumer in self._caffe_net.get_consumers(caffe_op.layer.top[0]):
if consumer.type == 'Scale':
scale_op = consumer
mace_check(scale_op is not None, "batchnorm is not followed by scale")
self._skip_ops.append(scale_op)
epsilon_value = caffe_op.layer.batch_norm_param.eps
mace_check(caffe_op.blobs[2][0] != 0, "batchnorm scalar is zero")
mean_value = (1. / caffe_op.blobs[2][0]) * caffe_op.blobs[0]
var_value = (1. / caffe_op.blobs[2][0]) * caffe_op.blobs[1]
gamma_value = scale_op.blobs[0]
beta_value = np.zeros_like(mean_value)
if len(scale_op.blobs) == 2:
beta_value = scale_op.blobs[1]
scale_value = (
(1.0 / np.vectorize(math.sqrt)(var_value + epsilon_value)) *
gamma_value).reshape(-1)
offset_value = ((-mean_value * scale_value) + beta_value).reshape(-1)
input_names = [op.name + '_scale', op.name + '_offset']
self.add_tensor(input_names[0], scale_value.reshape(-1).shape,
mace_pb2.DT_FLOAT, scale_value)
self.add_tensor(input_names[1], offset_value.reshape(-1).shape,
mace_pb2.DT_FLOAT, offset_value)
op.input.extend([name for name in input_names])
op.output[:] = scale_op.layer.top[:]
def add_input_output_node(self):
mace_check(
self._model.op[0].type == HexagonOp.QuantizeINPUT_f_to_8.name,
"Not started with Quantize op.")
quantize_input_op = self._model.op[0]
del quantize_input_op.input[:]
mace_check(
self._model.op[-1].type == HexagonOp.DequantizeOUTPUT_8tof.name,
"Not ended with Dequantize op.")
dequantize_output_op = self._model.op[-1]
del dequantize_output_op.output_shape[:]
del dequantize_output_op.output_type[:]
del dequantize_output_op.out_max_byte_size[:]
if self._option.device == DeviceType.HTA.value:
# replace QuantizeINPUT_f_to_8 with INPUT
quantize_input_op.type = HexagonOp.INPUT.name
del quantize_input_op.output_shape[1:]
del quantize_input_op.output_type[1:]
del quantize_input_op.out_max_byte_size[1:]
# replace first op's input min max with constant
self.add_constant_min_max_for_first_op(self._model.op[1])
# replace DequantizeOUTPUT_8tof with OUTPUT
dequantize_output_op.type = HexagonOp.OUTPUT.name
del dequantize_output_op.input[1:]
def transpose_const(tensor):
shape = tensor.dims
mace_check(len(shape) == 2, "gemm only supports 2-dim input.")
tensor_data = np.array(tensor.float_data).reshape(shape[0], shape[1])
tensor_data = tensor_data.transpose(1, 0)
tensor.float_data[:] = tensor_data.flat
tensor.dims[:] = tensor_data.shape
def convert_fused_batchnorm(self, node):
op = self.convert_general_op(node)
op.type = MaceOp.BatchNorm.name
if "epsilon" in node.attrs:
epsilon_value = node.attrs["epsilon"]
else:
epsilon_value = 1e-5
mace_check(len(node.inputs) == 5, "batch norm should have 5 inputs.")
gamma_value = np.array(self._consts[node.inputs[1]].float_data)
beta_value = np.array(self._consts[node.inputs[2]].float_data)
mean_value = np.array(self._consts[node.inputs[3]].float_data)
var_value = np.array(self._consts[node.inputs[4]].float_data)
scale_name = node.name + 'scale'
offset_name = node.name + 'offset'
scale_value = ((1.0 / np.sqrt(var_value + epsilon_value)) *
gamma_value)
offset_value = (-mean_value * scale_value) + beta_value
self.add_tensor(scale_name, scale_value.shape, mace_pb2.DT_FLOAT,
scale_value)
self.add_tensor(offset_name, offset_value.shape, mace_pb2.DT_FLOAT,
offset_value)
del op.input[1:]
op.input.extend([scale_name, offset_name])
del op.output[1:]
del op.output_shape[1:]
def convert_conv2d(self, node):
op = self.convert_general_op(node)
self.add_stride_pad_kernel_arg(node.attrs, op)
group_arg = op.arg.add()
group_arg.name = MaceKeyword.mace_group_str
if 'group' in node.attrs:
group_val = node.attrs["group"]
else:
group_val = 1
group_arg.i = group_val
is_depthwise = False
if group_val > 1:
filter_shape = self._graph_shapes_dict[node.inputs[1]]
mace_check(group_val == filter_shape[0] and
filter_shape[1] == 1,
"Mace does not support group convolution yet")
filter_tensor = self._consts[node.inputs[1]]
new_shape = [filter_shape[1], filter_shape[0],
filter_shape[2], filter_shape[3]]
del filter_tensor.dims[:]
filter_tensor.dims.extend(new_shape)
is_depthwise = True
if is_depthwise:
op.type = MaceOp.DepthwiseConv2d.name
else:
op.type = MaceOp.Conv2D.name
dilation_arg = op.arg.add()
dilation_arg.name = MaceKeyword.mace_dilations_str
if 'dilations' in node.attrs:
dilation_val = node.attrs["dilations"]
else:
dilation_val = [1, 1]
dilation_arg.ints.extend(dilation_val)
def convert_ops(self):
for tf_op in self._tf_graph.get_operations():
mace_check(tf_op.type in self._op_converters,
"Mace does not support tensorflow op type %s yet"
% tf_op.type)
self._op_converters[tf_op.type](tf_op)
self.convert_tensors()
def convert_general_op(self, tf_op):
op = self._mace_net_def.op.add()
op.name = tf_op.name
op.type = tf_op.type
op.input.extend([tf_input.name for tf_input in tf_op.inputs])
op.output.extend([tf_output.name for tf_output in tf_op.outputs])
for tf_output in tf_op.outputs:
output_shape = op.output_shape.add()
output_shape.dims.extend(self.infer_tensor_shape(tf_output))
data_type_arg = op.arg.add()
data_type_arg.name = 'T'
try:
dtype = tf_op.get_attr('T')
if dtype == tf.int32:
data_type_arg.i = mace_pb2.DT_INT32
elif dtype == tf.float32:
data_type_arg.i = self._option.data_type
else:
mace_check(False, "data type %s not supported" % dtype)
except ValueError:
data_type_arg.i = self._option.data_type
ConverterUtil.add_data_format_arg(op, DataFormat.NHWC)
return op
def convert_general_op(self, tf_op):
op = self._mace_net_def.op.add()
op.name = tf_op.name
op.type = tf_op.type
op.input.extend([tf_input.name for tf_input in tf_op.inputs])
op.output.extend([tf_output.name for tf_output in tf_op.outputs])
for tf_output in tf_op.outputs:
output_shape = op.output_shape.add()
self.infer_tensor_shape(output_shape, tf_output)
data_type_arg = op.arg.add()
data_type_arg.name = 'T'
try:
dtype = tf_op.get_attr('T')
if dtype == tf.int32:
data_type_arg.i = mace_pb2.DT_INT32
elif dtype == tf.float32:
data_type_arg.i = self._option.data_type
else:
mace_check(False, "data type %s not supported" % dtype)
except ValueError:
try:
dtype = tf_op.get_attr('SrcT')
if dtype == tf.int32 or dtype == tf.bool:
data_type_arg.i = mace_pb2.DT_INT32
elif dtype == tf.float32:
data_type_arg.i = self._option.data_type
else:
mace_check(False, "data type %s not supported" % dtype)
except ValueError:
data_type_arg.i = self._option.data_type
ConverterUtil.add_data_format_arg(op, DataFormat.NHWC)
return op
def infer_shape_general(self, op):
if len(op.input) > 0:
mace_check(
op.input[0] in self._output_shape_cache,
"Op %s input %s does not exist" % (op.name, op.input[0]))
input_shape = self._output_shape_cache[op.input[0]]
self.add_output_shape(op, [input_shape])
def infer_shape_conv_pool_shape(self, op):
input_shape = self._output_shape_cache[op.input[0]]
output_shape = np.zeros_like(input_shape)
if op.type == MaceOp.Pooling:
filter_shape = list(
ConverterUtil.get_arg(op, MaceKeyword.mace_kernel_str).ints)
if ConverterUtil.data_format(op) == DataFormat.NCHW:
filter_shape = [input_shape[1], input_shape[1]] + filter_shape
if ConverterUtil.get_arg(op,
MaceKeyword.mace_global_pooling_str) \
is not None:
filter_shape[2] = input_shape[2]
filter_shape[3] = input_shape[3]
else: # NHWC
filter_shape = filter_shape + [input_shape[1], input_shape[1]]
if ConverterUtil.get_arg(op,
MaceKeyword.mace_global_pooling_str) \
is not None:
filter_shape[0] = input_shape[1]
filter_shape[1] = input_shape[2]
else:
filter_shape = self._output_shape_cache[op.input[1]]
paddings = ConverterUtil.get_arg(op,
MaceKeyword.mace_padding_values_str).ints # noqa
strides = ConverterUtil.get_arg(op, MaceKeyword.mace_strides_str).ints
dilations_arg = ConverterUtil.get_arg(op,
MaceKeyword.mace_dilations_str)
if dilations_arg is not None:
dilations = dilations_arg.ints
else:
dilations = [1, 1]
if op.type == MaceOp.Pooling:
round_func = math.ceil
else:
round_func = math.floor
output_shape[0] = input_shape[0]
if ConverterUtil.data_format(op) == DataFormat.NCHW \
and ConverterUtil.filter_format(self._net) == FilterFormat.OIHW: # noqa
# filter format: OIHW
if op.type == MaceOp.DepthwiseConv2d.name:
output_shape[1] = filter_shape[0] * filter_shape[1]
else:
output_shape[1] = filter_shape[0]
output_shape[2] = int(
round_func((input_shape[2] + paddings[0] - filter_shape[2] -
(filter_shape[2] - 1) *
(dilations[0] - 1)) / float(strides[0]))) + 1
output_shape[3] = int(
round_func((input_shape[3] + paddings[1] - filter_shape[3] -
(filter_shape[3] - 1) *
(dilations[1] - 1)) / float(strides[1]))) + 1
else:
mace_check(False,
"Mace can only infer shape for"
" NCHW input and OIHW filter")
self.add_output_shape(op, [output_shape])
def infer_shape_conv_pool_shape(self, op):
input_shape = self._output_shape_cache[op.input[0]]
output_shape = np.zeros_like(input_shape)
if op.type == MaceOp.Pooling:
filter_shape = list(
ConverterUtil.get_arg(op, MaceKeyword.mace_kernel_str).ints)
if ConverterUtil.data_format(op) == DataFormat.NCHW:
filter_shape = [input_shape[1], input_shape[1]] + filter_shape
if ConverterUtil.get_arg(op,
MaceKeyword.mace_global_pooling_str) \
is not None:
filter_shape[2] = input_shape[2]
filter_shape[3] = input_shape[3]
else: # NHWC
filter_shape = filter_shape + [input_shape[1], input_shape[1]]
if ConverterUtil.get_arg(op,
MaceKeyword.mace_global_pooling_str) \
is not None:
filter_shape[0] = input_shape[1]
filter_shape[1] = input_shape[2]
else:
filter_shape = self._output_shape_cache[op.input[1]]
paddings = ConverterUtil.get_arg(op,
MaceKeyword.mace_padding_values_str).ints # noqa
strides = ConverterUtil.get_arg(op, MaceKeyword.mace_strides_str).ints
dilations_arg = ConverterUtil.get_arg(op,
MaceKeyword.mace_dilations_str)
if dilations_arg is not None:
dilations = dilations_arg.ints
else:
dilations = [1, 1]
if op.type == MaceOp.Pooling:
round_func = math.ceil
else:
round_func = math.floor
output_shape[0] = input_shape[0]
if ConverterUtil.data_format(op) == DataFormat.NCHW \
and ConverterUtil.filter_format(self._net) == FilterFormat.OIHW: # noqa
# filter format: OIHW
if op.type == MaceOp.DepthwiseConv2d.name:
output_shape[1] = filter_shape[0] * filter_shape[1]
else:
output_shape[1] = filter_shape[0]
output_shape[2] = int(
round_func((input_shape[2] + paddings[0] - filter_shape[2] -
(filter_shape[2] - 1) *
(dilations[0] - 1)) / float(strides[0]))) + 1
output_shape[3] = int(
round_func((input_shape[3] + paddings[1] - filter_shape[3] -
(filter_shape[3] - 1) *
(dilations[1] - 1)) / float(strides[1]))) + 1
else:
mace_check(False,
"Mace can only infer shape for"
" NCHW input and OIHW filter")
self.add_output_shape(op, [output_shape])
def convert_ops(self):
for layer in self._caffe_layers.layer:
caffe_op = self._caffe_net.get_op(layer.name)
if caffe_op not in self._skip_ops:
mace_check(layer.type in self._op_converters,
"Mace does not support caffe op type %s yet"
% layer.type)
self._op_converters[layer.type](caffe_op)
def convert_ops(self):
for layer in self._caffe_layers.layer:
caffe_op = self._caffe_net.get_op(layer.name)
if caffe_op not in self._skip_ops:
mace_check(layer.type in self._op_converters,
"Mace does not support caffe op type %s yet"
% layer.type)
self._op_converters[layer.type](caffe_op)
def infer_shape_crop(self, op):
mace_check(len(op.input) == 2, "crop layer needs two inputs")
output_shape = self._output_shape_cache[op.input[0]]
input1_shape = self._output_shape_cache[op.input[1]]
offsets = ConverterUtil.get_arg(op, MaceKeyword.mace_offset_str).ints
for i in range(len(offsets)):
if offsets[i] >= 0:
output_shape[i] = input1_shape[i]
self.add_output_shape(op, [output_shape])
def infer_shape_fully_connected(self, op):
input_shape = self._output_shape_cache[op.input[0]]
weight_shape = self._output_shape_cache[op.input[1]]
if ConverterUtil.data_format(op) == DataFormat.NCHW:
output_shape = [input_shape[0], weight_shape[0], 1, 1]
else:
mace_check(False, "format %s is not supported"
% ConverterUtil.data_format(op))
self.add_output_shape(op, [output_shape])
def infer_shape_fully_connected(self, op):
input_shape = self._output_shape_cache[op.input[0]]
weight_shape = self._output_shape_cache[op.input[1]]
if ConverterUtil.data_format(op) == DataFormat.NCHW:
output_shape = [input_shape[0], weight_shape[0], 1, 1]
else:
mace_check(False, "format %s is not supported"
% ConverterUtil.data_format(op))
self.add_output_shape(op, [output_shape])
def add_output_shape(self, op, shapes):
mace_check(len(op.output) == len(shapes),
"Op %s (%s) output count is different from "
"output shape count" % (
op.name, op.type))
for i in six.moves.range(len(shapes)):
output_name = op.output[i]
output_shape = op.output_shape.add()
output_shape.dims.extend(shapes[i])
self._output_shape_cache[output_name] = shapes[i]
def convert_concat(self, node):
op = self.convert_general_op(node)
op.type = MaceOp.Concat.name
mace_check('axis' in node.attrs,
'Concat op should have axis attribute.')
axis_arg = op.arg.add()
axis_arg.name = MaceKeyword.mace_axis_str
axis_arg.i = node.attrs['axis']
axis_arg.i = 4 + axis_arg.i if axis_arg.i < 0 else axis_arg.i
mace_check(axis_arg.i == 1, "only support concat at channel dimension")
def add_int_list_tensor_from_arg(self, op, keyword):
list_value_arg = ConverterUtil.get_arg(op, keyword)
mace_check(list_value_arg.ints is not None,
op.name + ': ' + keyword + ' value ints should not be None')
list_value_tensor = self._model.tensors.add()
list_value_tensor.name = op.name + '/' + keyword + ':0'
list_value_tensor.data_type = mace_pb2.DT_INT32
list_value_tensor.dims.extend([len(list_value_arg.ints)])
list_value_tensor.int32_data.extend(list_value_arg.ints)
op.input.extend([list_value_tensor.name])
def add_int_tensor_from_arg(self, op, keyword):
int_value_arg = ConverterUtil.get_arg(op, keyword)
mace_check(int_value_arg.i is not None,
op.name + ': ' + keyword + ' value i should not be None')
int_value_tensor = self._model.tensors.add()
int_value_tensor.name = op.name + '/' + keyword + ':0'
int_value_tensor.data_type = mace_pb2.DT_INT32
int_value_tensor.dims.extend([1])
int_value_tensor.int32_data.extend([int_value_arg.i])
op.input.extend([int_value_tensor.name])
def add_output_shape(self, op, shapes):
mace_check(len(op.output) == len(shapes),
"Op %s (%s) output count is different from "
"output shape count" % (
op.name, op.type))
for i in xrange(len(shapes)):
output_name = op.output[i]
output_shape = op.output_shape.add()
output_shape.dims.extend(shapes[i])
self._output_shape_cache[output_name] = shapes[i]
def convert_deconv2d(self, caffe_op):
op = self.convert_general_op(caffe_op)
param = caffe_op.layer.convolution_param
is_depthwise = False
if param.HasField(caffe_group_str) and param.group > 1:
filter_data = caffe_op.blobs[0]
mace_check(
param.group == filter_data.shape[0]
and filter_data.shape[1] == 1,
"Mace does not support group deconvolution yet")
is_depthwise = True
caffe_op.blobs[0] = filter_data.reshape(1, filter_data.shape[0],
filter_data.shape[2],
filter_data.shape[3])
# mace_check(is_depthwise is False,
# "Mace do not support depthwise deconvolution yet")
if is_depthwise:
op.type = MaceOp.DepthwiseDeconv2d.name
else:
op.type = MaceOp.Deconv2D.name
from_caffe_arg = op.arg.add()
from_caffe_arg.name = MaceKeyword.mace_from_caffe_str
from_caffe_arg.i = 1
self.add_stride_pad_kernel_arg(param, op)
# dilation is specific for convolution in caffe
dilations = [1, 1]
if len(param.dilation) > 0:
dilation_arg = op.arg.add()
dilation_arg.name = MaceKeyword.mace_dilations_str
if len(param.dilation) == 1:
dilations = [param.dilation[0], param.dilation[0]]
elif len(param.dilation) == 2:
dilations = [param.dilation[0], param.dilation[1]]
mace_check(dilations[0] == 1 and dilations[1] == 1,
"Mace only supports dilation == 1 deconvolution.")
dilation_arg.ints.extend(dilations)
filter_tensor_name = op.name + '_filter'
filter_data = caffe_op.blobs[0]
self.add_tensor(filter_tensor_name, filter_data.shape,
mace_pb2.DT_FLOAT, filter_data)
op.input.extend([filter_tensor_name])
if len(caffe_op.blobs) == 2:
bias_tensor_name = op.name + '_bias'
bias_data = caffe_op.blobs[1]
# caffe of old version has 4-dimension bias, so reshape it
# to single dimension
self.add_tensor(bias_tensor_name,
bias_data.reshape(-1).shape, mace_pb2.DT_FLOAT,
bias_data)
op.input.extend([bias_tensor_name])
def add_size_tensor_from_arg(self, op, keyword):
size_value_arg = ConverterUtil.get_arg(op, keyword)
mace_check(
len(size_value_arg.ints) == 2,
op.name + ': ' + keyword + ' value does not have size 2')
size_value_tensor = self._model.tensors.add()
size_value_tensor.name = op.name + '/' + keyword + ':0'
size_value_tensor.data_type = mace_pb2.DT_INT32
size_value_tensor.dims.extend([2])
size_value_tensor.int32_data.extend(size_value_arg.ints)
op.input.extend([size_value_tensor.name])
def convert_depth_space(self, node):
op = self.convert_general_op(node)
if op.type == OnnxOpType.DepthToSpace.name:
op.type = MaceOp.DepthToSpace.name
else:
op.type = MaceOp.SpaceToDepth.name
mace_check(('block_size' in node.attrs),
"depth to space op should have block size attribute.")
block_size = node.attrs['block_size']
size_arg = op.arg.add()
size_arg.name = MaceKeyword.mace_space_depth_block_size_str
size_arg.i = block_size
def convert_interp(self, caffe_op):
op = self.convert_general_op(caffe_op)
param = caffe_op.layer.interp_param
mace_check(
param.HasField("height") and param.HasField("width"),
'Only support bilinear interp with height and width')
op.type = MaceOp.ResizeBilinear.name
size_arg = op.arg.add()
size_arg.name = MaceKeyword.mace_resize_size_str
size_value = np.array([param.height, param.width], dtype=np.int32)
size_arg.ints.extend(size_value)
def convert_dynamic_lstm(self, node):
op = self.convert_general_op(node)
op.type = MaceOp.DynamicLSTM.name
if 'prev_out_delay' in node.attrs:
prev_out_delay = node.attrs['prev_out_delay']
mace_check(prev_out_delay < 0,
"dynamic's prev_out_delay should <= 0.")
prev_out_delay_arg = op.arg.add()
prev_out_delay_arg.name = 'prev_out_delay'
prev_out_delay_arg.i = prev_out_delay
if 'prev_cell_delay' in node.attrs:
prev_cell_delay = node.attrs['prev_cell_delay']
mace_check(prev_cell_delay < 0,
"dynamic's prev_cell_delay should < 0.")
prev_cell_delay_arg = op.arg.add()
prev_cell_delay_arg.name = 'prev_cell_delay'
prev_cell_delay_arg.i = prev_cell_delay
if 'prev_out_offset' in node.attrs:
prev_out_offset = node.attrs['prev_out_offset']
mace_check(prev_out_offset >= 0,
"dynamic's prev_out_offset should >= 0.")
prev_out_offset_arg = op.arg.add()
prev_out_offset_arg.name = 'prev_out_offset'
prev_out_offset_arg.i = prev_out_offset
if 'prev_out_dim' in node.attrs:
prev_out_dim = node.attrs['prev_out_dim']
mace_check(prev_out_dim > 0, "dynamic's prev_out_dim should > 0.")
prev_out_dim_arg = op.arg.add()
prev_out_dim_arg.name = 'prev_out_dim'
prev_out_dim_arg.i = prev_out_dim
if 'prev_cell_dim' in node.attrs:
prev_cell_dim = node.attrs['prev_cell_dim']
mace_check(prev_cell_dim > 0,
"dynamic's prev_cell_dim should > 0.")
prev_cell_dim_arg = op.arg.add()
prev_cell_dim_arg.name = 'prev_cell_dim'
prev_cell_dim_arg.i = prev_cell_dim
if 'bias_a' in node.attrs:
bias_a = node.attrs['bias_a']
bias_a_arg = op.arg.add()
bias_a_arg.name = 'bias_a'
bias_a_arg.i = bias_a
if 'bias_b' in node.attrs:
bias_b = node.attrs['bias_b']
bias_b_arg = op.arg.add()
bias_b_arg.name = 'bias_b'
bias_b_arg.i = bias_b
if 'scale' in node.attrs:
scale = node.attrs['scale']
scale_arg = op.arg.add()
scale_arg.name = 'scale'
scale_arg.f = scale
def add_padding_tensor_from_arg(self, op):
padding_value_arg = ConverterUtil.get_arg(
op, MaceKeyword.mace_padding_values_str)
mace_check(
len(padding_value_arg.ints) == 4,
op.name + ': padding value does not have size 4')
padding_value_tensor = self._model.tensors.add()
padding_value_tensor.name = op.name + '/padding:0'
padding_value_tensor.data_type = mace_pb2.DT_INT32
padding_value_tensor.dims.extend([4])
padding_value_tensor.int32_data.extend(padding_value_arg.ints)
op.input.extend([padding_value_tensor.name])
def convert_timeoffset(self, node):
op = self.convert_general_op(node)
mace_check('offset' in node.attrs,
'Offset attribute required in Offset Node.')
offset = node.attrs['offset']
if offset == 0:
op.type = MaceOp.Identity.name
else:
op.type = MaceOp.TimeOffset.name
offset_arg = op.arg.add()
offset_arg.name = 'offset'
offset_arg.i = offset
def infer_shape_resize_bilinear(self, op):
input_shape = self._output_shape_cache[op.input[0]]
size = ConverterUtil.get_arg(
op, MaceKeyword.mace_resize_size_str).ints
if ConverterUtil.data_format(op) == DataFormat.NCHW:
output_shape = [input_shape[0], input_shape[1], size[0], size[1]]
elif ConverterUtil.data_format(op) == DataFormat.NHWC:
output_shape = [input_shape[0], size[0], size[1], input_shape[3]]
else:
output_shape = []
mace_check(False, "format %s is not supported"
% ConverterUtil.data_format(op))
self.add_output_shape(op, [output_shape])
def convert_ops(self):
layer_names = set()
for layer in self._caffe_layers.layer:
caffe_op = self._caffe_net.get_op(layer.name)
if caffe_op not in self._skip_ops:
mace_check(layer.name not in layer_names,
"There is duplicate layer name '%s' in your model"
% layer.name)
mace_check(layer.type in self._op_converters,
"Mace does not support caffe op type %s yet"
% layer.type)
layer_names.add(layer.name)
self._op_converters[layer.type](caffe_op)
def convert_slice(self, caffe_op):
op = self.convert_general_op(caffe_op)
op.type = MaceOp.Split.name
if caffe_op.layer.HasField('slice_param'):
param = caffe_op.layer.slice_param
mace_check(not param.HasField('axis') or param.axis == 1
or param.axis == -3,
"Mace do not support slice with axis %d" % param.axis)
mace_check(len(param.slice_point) == 0,
"Mace do not support slice with slice_point")
axis_arg = op.arg.add()
axis_arg.name = MaceKeyword.mace_axis_str
axis_arg.i = 1
def convert_concat(self, caffe_op):
op = self.convert_general_op(caffe_op)
param = caffe_op.layer.concat_param
op.type = MaceOp.Concat.name
axis_arg = op.arg.add()
axis_arg.name = MaceKeyword.mace_axis_str
axis_arg.i = 1
if param.HasField('axis'):
axis_arg.i = param.axis
elif param.HasField('concat_dim'):
axis_arg.i = param.concat_dim
axis_arg.i = 4 + axis_arg.i if axis_arg.i < 0 else axis_arg.i
mace_check(axis_arg.i == 1, "only support concat at channel dimension")
def convert_cast(self, tf_op):
op = self.convert_general_op(tf_op)
op.type = MaceOp.Cast.name
try:
dtype = tf_op.get_attr('DstT')
if dtype == tf.int32:
op.output_type.extend([mace_pb2.DT_INT32])
elif dtype == tf.float32:
op.output_type.extend([self._option.data_type])
else:
mace_check(False, "data type %s not supported" % dtype)
except ValueError:
op.output_type.extend([self._option.data_type])
def convert_concat(self, caffe_op):
op = self.convert_general_op(caffe_op)
param = caffe_op.layer.concat_param
op.type = MaceOp.Concat.name
axis_arg = op.arg.add()
axis_arg.name = MaceKeyword.mace_axis_str
axis_arg.i = 1
if param.HasField('axis'):
axis_arg.i = param.axis
elif param.HasField('concat_dim'):
axis_arg.i = param.concat_dim
axis_arg.i = 4 + axis_arg.i if axis_arg.i < 0 else axis_arg.i
mace_check(axis_arg.i == 1, "only support concat at channel dimension")
def convert_slice(self, caffe_op):
op = self.convert_general_op(caffe_op)
op.type = MaceOp.Slice.name
if caffe_op.layer.HasField('slice_param'):
param = caffe_op.layer.slice_param
mace_check(not param.HasField('axis') or param.axis == 1
or param.axis == -3,
"Mace do not support slice with axis %d" % param.axis)
mace_check(len(param.slice_point) == 0,
"Mace do not support slice with slice_point")
axis_arg = op.arg.add()
axis_arg.name = MaceKeyword.mace_axis_str
axis_arg.i = 1
def convert_conv2d(self, caffe_op):
op = self.convert_general_op(caffe_op)
param = caffe_op.layer.convolution_param
is_depthwise = False
if param.HasField(caffe_group_str):
filter_data = caffe_op.blobs[0]
mace_check(param.group == filter_data.shape[0] and
filter_data.shape[1] == 1,
"Mace do not support group convolution yet")
is_depthwise = True
caffe_op.blobs[0] = filter_data.reshape(1,
filter_data.shape[0],
filter_data.shape[2],
filter_data.shape[3])
if is_depthwise:
op.type = MaceOp.DepthwiseConv2d.name
else:
op.type = MaceOp.Conv2D.name
self.add_stride_pad_kernel_arg(param, op)
# dilation is specific for convolution in caffe
dilations = [1, 1]
if len(param.dilation) > 0:
dilation_arg = op.arg.add()
dilation_arg.name = MaceKeyword.mace_dilations_str
if len(param.dilation) == 1:
dilations = [param.dilation[0], param.dilation[0]]
elif len(param.dilation) == 2:
dilations = [param.dilation[0], param.dilation[1]]
dilation_arg.ints.extend(dilations)
filter_tensor_name = op.name + '_filter'
filter_data = caffe_op.blobs[0]
self.add_tensor(filter_tensor_name, filter_data.shape,
mace_pb2.DT_FLOAT, filter_data)
op.input.extend([filter_tensor_name])
if len(caffe_op.blobs) == 2:
bias_tensor_name = op.name + '_bias'
bias_data = caffe_op.blobs[1]
# caffe of old version has 4-dimension bias, so reshape it
# to single dimension
self.add_tensor(bias_tensor_name, bias_data.reshape(-1).shape,
mace_pb2.DT_FLOAT,
bias_data)
op.input.extend([bias_tensor_name])
def convert_tensors(self):
for tf_op in self._tf_graph.get_operations():
if tf_op.type != TFOpType.Const.name:
continue
output_name = tf_op.outputs[0].name
if output_name not in self._skip_tensor:
tensor = self._mace_net_def.tensors.add()
tensor.name = tf_op.outputs[0].name
tf_tensor = tf_op.outputs[0].eval()
tensor.dims.extend(list(tf_tensor.shape))
tf_dt = tf_op.get_attr('dtype')
if tf_dt == tf.float32:
tensor.data_type = mace_pb2.DT_FLOAT
tensor.float_data.extend(tf_tensor.astype(np.float32).flat)
elif tf_dt == tf.int32:
tensor.data_type = mace_pb2.DT_INT32
tensor.int32_data.extend(tf_tensor.astype(np.int32).flat)
else:
mace_check(False,
"Not supported tensor type: %s" % tf_dt.name)
def convert_fully_connected(self, caffe_op):
op = self.convert_general_op(caffe_op)
param = caffe_op.layer.inner_product_param
op.type = MaceOp.FullyConnected.name
mace_check((param.axis == 1 or param.axis == -3)
and not param.transpose,
"Do not support non-default axis and transpose")
mace_check(caffe_op.blobs[0].ndim in [2, 4],
"Unexpected fc weigth ndim.")
if caffe_op.blobs[0].ndim == 4:
mace_check(list(caffe_op.blobs[0].shape[:2]) == [1, 1],
"Do not support 4D weight with shape [1, 1, *, *]")
weight_tensor_name = op.name + '_weight'
weight_data = caffe_op.blobs[0].reshape(param.num_output, -1)
self.add_tensor(weight_tensor_name, weight_data.shape,
mace_pb2.DT_FLOAT,
weight_data)
op.input.extend([weight_tensor_name])
if len(caffe_op.blobs) == 2:
bias_tensor_name = op.name + '_bias'
bias_data = caffe_op.blobs[1]
self.add_tensor(bias_tensor_name, bias_data.reshape(-1).shape,
mace_pb2.DT_FLOAT,
bias_data)
op.input.extend([bias_tensor_name])
def run(self):
ops = self._tf_graph.get_operations()
dsp_ops = DspOps()
resolved_ops = set()
mace_check(len(self._option.input_nodes) == 1
and len(self._option.output_nodes) == 1,
'dsp only support single input and output')
input_node = self._option.input_nodes.values()[0].name
output_node = self._option.output_nodes.values()[0].name
# convert const node
unresolved_ops = [op for op in ops if op.type == 'Const']
with tf.Session() as session:
while len(unresolved_ops) > 0:
convert_ops(unresolved_ops, resolved_ops, self._mace_net_def,
dsp_ops)
# convert op node
unresolved_ops = [op for op in ops if op.type != 'Const']
while len(unresolved_ops) > 0:
convert_ops(unresolved_ops, resolved_ops, self._mace_net_def,
dsp_ops)
add_output_node(self._mace_net_def, output_node)
net_def = reverse_batch_to_space_and_biasadd(self._mace_net_def)
net_def = fuse_quantize(net_def)
sorted_net_def = graph_util.sort_mace_graph(net_def, '__output__')
net_def_with_node_id = add_node_id(sorted_net_def)
dtype = mace_pb2.DT_FLOAT
final_net_def = add_input_output_info(
net_def_with_node_id, input_node, output_node,
self._tf_graph, dtype)
return final_net_def
def main(unused_args):
if not os.path.isfile(FLAGS.model_file):
print("Input graph file '" + FLAGS.model_file + "' does not exist!")
sys.exit(-1)
model_checksum = file_checksum(FLAGS.model_file)
if FLAGS.model_checksum != "" and FLAGS.model_checksum != model_checksum:
print("Model checksum mismatch: %s != %s" % (model_checksum,
FLAGS.model_checksum))
sys.exit(-1)
weight_checksum = None
if FLAGS.platform == 'caffe':
if not os.path.isfile(FLAGS.weight_file):
print("Input weight file '" + FLAGS.weight_file +
"' does not exist!")
sys.exit(-1)
weight_checksum = file_checksum(FLAGS.weight_file)
if FLAGS.weight_checksum != "" and \
FLAGS.weight_checksum != weight_checksum:
print("Weight checksum mismatch: %s != %s" %
(weight_checksum, FLAGS.weight_checksum))
sys.exit(-1)
if FLAGS.platform not in ['tensorflow', 'caffe']:
print ("platform %s is not supported." % FLAGS.platform)
sys.exit(-1)
if FLAGS.runtime not in ['cpu', 'gpu', 'dsp', 'cpu+gpu']:
print ("runtime %s is not supported." % FLAGS.runtime)
sys.exit(-1)
option = cvt.ConverterOption()
if FLAGS.graph_optimize_options:
option.transformer_option = FLAGS.graph_optimize_options.split(',')
option.winograd = FLAGS.winograd
option.quantize = FLAGS.quantize
option.quantize_range_file = FLAGS.quantize_range_file
input_node_names = FLAGS.input_node.split(',')
input_node_shapes = FLAGS.input_shape.split(':')
if len(input_node_names) != len(input_node_shapes):
raise Exception('input node count and shape count do not match.')
for i in xrange(len(input_node_names)):
input_node = cvt.NodeInfo()
input_node.name = input_node_names[i]
input_node.shape = parse_int_array_from_str(input_node_shapes[i])
option.add_input_node(input_node)
output_node_names = FLAGS.output_node.split(',')
for i in xrange(len(output_node_names)):
output_node = cvt.NodeInfo()
output_node.name = output_node_names[i]
option.add_output_node(output_node)
option.build()
print("Transform model to one that can better run on device")
if FLAGS.runtime == 'dsp':
mace_check(FLAGS.platform == 'tensorflow',
'DSP only supports tensorflow')
from mace.python.tools.converter_tool import tf_dsp_converter
converter = tf_dsp_converter.TensorflowDspConverter(
option, FLAGS.model_file)
output_graph_def = converter.run()
else:
if FLAGS.platform == 'tensorflow':
from mace.python.tools.converter_tool import tensorflow_converter
converter = tensorflow_converter.TensorflowConverter(
option, FLAGS.model_file)
elif FLAGS.platform == 'caffe':
from mace.python.tools.converter_tool import caffe_converter
converter = caffe_converter.CaffeConverter(option,
FLAGS.model_file,
FLAGS.weight_file)
else:
print("Mace do not support platorm %s yet." & FLAGS.platform)
exit(1)
output_graph_def = converter.run()
if FLAGS.runtime == 'cpu+gpu':
cpu_graph_def = copy.deepcopy(output_graph_def)
option.device = cvt.DeviceType.GPU.value
option.data_type = parse_data_type(
FLAGS.data_type, cvt.DeviceType.GPU.value)
mace_gpu_transformer = transformer.Transformer(
option, output_graph_def)
output_graph_def = mace_gpu_transformer.run()
print "start optimize gpu memory."
memory_optimizer.optimize_gpu_memory(output_graph_def)
print "GPU memory optimization done."
option.device = cvt.DeviceType.CPU.value
option.data_type = parse_data_type(
FLAGS.data_type, cvt.DeviceType.CPU.value)
option.disable_transpose_filters()
mace_cpu_transformer = transformer.Transformer(
option, cpu_graph_def)
cpu_graph_def = mace_cpu_transformer.run()
print "start optimize cpu memory."
memory_optimizer.optimize_cpu_memory(cpu_graph_def)
print "CPU memory optimization done."
print "Merge cpu and gpu ops together"
output_graph_def.op.extend(cpu_graph_def.op)
output_graph_def.mem_arena.mem_block.extend(
cpu_graph_def.mem_arena.mem_block)
output_graph_arg_names = set()
for arg in output_graph_def.arg:
output_graph_arg_names.add(arg.name)
for arg in cpu_graph_def.arg:
if arg.name not in output_graph_arg_names:
output_graph_def.arg.extend(arg)
print "Merge done"
else:
option.device = device_type_map[FLAGS.runtime]
option.data_type = parse_data_type(
FLAGS.data_type, option.device)
mace_transformer = transformer.Transformer(
option, output_graph_def)
output_graph_def = mace_transformer.run()
print "start optimize memory."
if FLAGS.runtime == 'gpu':
memory_optimizer.optimize_gpu_memory(output_graph_def)
elif FLAGS.runtime == 'cpu':
memory_optimizer.optimize_cpu_memory(output_graph_def)
else:
mace_check(False, "runtime only support [gpu|cpu|dsp]")
print "Memory optimization done."
model_saver.save_model(
output_graph_def, model_checksum, weight_checksum,
FLAGS.template_dir, FLAGS.obfuscate, FLAGS.model_tag,
FLAGS.output_dir, FLAGS.runtime,
FLAGS.embed_model_data,
FLAGS.winograd, FLAGS.data_type,
FLAGS.model_graph_format)
def run(self):
for op in self._net.op:
mace_check(op.type in self._op_shape_inference,
"Mace does not support caffe op type %s yet"
% op.type)
self._op_shape_inference[op.type](op)
def infer_shape_general(self, op):
if len(op.input) > 0:
mace_check(op.input[0] in self._output_shape_cache,
"%s does not exist" % op.input[0])
input_shape = self._output_shape_cache[op.input[0]]
self.add_output_shape(op, [input_shape])
def get_blob(self, index):
mace_check(index < len(self._blobs), "blob out of index")
return self._blobs[index]
