# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License" # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. from x2paddle.core.graph import GraphNode from x2paddle.core.op_mapper import OpMapper from x2paddle.core.fluid_code import Layer from x2paddle.core.fluid_code import FluidCode from x2paddle.decoder.onnx_decoder import ONNXGraph, ONNXGraphNode, ONNXGraphDataNode from x2paddle.op_mapper.onnx_directly_map import default_op_mapping_field_values from x2paddle.op_mapper.onnx_directly_map import default_op_mapping from x2paddle.op_mapper.onnx_directly_map import default_ioa_constraint from x2paddle.op_mapper.onnx_custom_layer import * from x2paddle.core.util import string import numpy as np import onnx.numpy_helper as numpy_helper import logging as _logging from collections import OrderedDict as _dict _logger = _logging.getLogger(__name__) def _const_weight_or_none(node): if 'Constant' in node.layer_name: return val.value if isinstance(node, ONNXGraphDataNode): return node.weight return None def get_same_padding(in_size, kernel_size, stride): new_size = int(math.ceil(in_size * 1.0 / stride)) pad_size = (new_size - 1) * stride + kernel_size - in_size pad0 = int(pad_size / 2) pad1 = pad_size - pad0 return [pad0, pad1] class ONNXOpMapper(OpMapper): def __init__(self, decoder): super(ONNXOpMapper, self).__init__() self.decoder = decoder self.graph = decoder.onnx_graph self.input_shapes = [] self.weights = dict() self.omit_nodes = list() self.used_custom_layers = dict() if not self.op_checker(): raise Exception("Model are not supported yet.") #mapping op print("Total nodes: {}".format( sum([ isinstance(node, ONNXGraphNode) for name, node in self.graph.node_map.items() ]))) for node_name in self.graph.topo_sort: node = self.graph.get_node(node_name) op = node.layer_type if hasattr(self, op): func = getattr(self, op) func(node) elif op in default_op_mapping: self.directly_map(node) elif op in custom_layers: self.deal_custom_layer(node) def op_checker(self): unsupported_ops = set() for node_name in self.graph.topo_sort: node = self.graph.get_node(node_name) op = node.layer_type if not hasattr( self, op ) and op not in default_op_mapping and op not in custom_layers: unsupported_ops.add(op) if len(unsupported_ops) == 0: return True else: print("There are {} ops not supported yet, list as below".format( len(unsupported_ops))) for op in unsupported_ops: print(op) return False def directly_map(self, node, name='', *args, **kwargs): inputs = node.layer.input outputs = node.layer.output op_type = node.layer_type attrs = node.attr_map info = default_op_mapping[op_type] info.extend(list(default_op_mapping_field_values.values())[len(info):]) ( fluid_op, fluid_input_args, fluid_output_args, attr_mapping, default_attrs, input_perm, output_perm, fill_name_field, ) = info if fluid_op in default_ioa_constraint: for predicate, message in default_ioa_constraint[fluid_op]: assert predicate(inputs, outputs, attrs), message mapped_attrs = { attr_mapping.get(key, key): value for key, value in attrs.items() } if '' in mapped_attrs: mapped_attrs.pop('') if '_' in mapped_attrs: mapped_attrs.pop('_') fluid_attrs = default_attrs.copy() fluid_attrs.update(mapped_attrs) val_inps = inputs if input_perm is None else list( map(lambda i: inputs[i], input_perm)) val_outs = outputs if output_perm is None else list( map(lambda i: outputs[i], output_perm)) attr = fluid_attrs if fluid_op not in ['shape', 'gather']: attr['name'] = string(node.layer_name) node.fluid_code.add_layer(fluid_op, inputs=', '.join(val_inps), output=val_outs[0], param_attr=attr) def deal_custom_layer(self, node): op = node.layer_type val_x = self.graph.get_node(node.layer.input[0], copy=True) custom_code, func = make_custom_layer(node) params = get_params(node.layer, node.layer_type) arg_names, kwargs = set_args(func, params) kwargs['name'] = string(node.layer_name) inputs_node = [] inputs_node.append(node.inputs[0]) node.fluid_code.add_layer(func.__code__.co_name, inputs=inputs_node[0], output=node, param_attr=kwargs, is_custom_layer=True) if op not in self.used_custom_layers: self.used_custom_layers[op] = custom_code def place_holder(self, node): self.input_shapes.append(node.out_shapes[0]) attr = { "dtype": string(node.dtype), "shape": node.out_shapes[0], "name": string(node.layer_name), "append_batch_size": 'False' } node.fluid_code.add_layer("data", inputs=None, output=node, param_attr=attr) def create_parameter(self, node, parameter=None): if parameter is not None: node = parameter dtype = node.dtype shape = node.out_shapes[0] self.weights[node.layer_name] = node.weight attr = { 'dtype': string(dtype), 'shape': shape, 'name': string(node.layer_name), 'attr': string(node.layer_name), 'default_initializer': 'Constant(0.0)' } node.fluid_code.add_layer("create_parameter", inputs=None, output=node, param_attr=attr) def _pad_if_asymmetric(self, node, pads, val_name): # pads: SSEE assert len(pads) & 1 == 0 symmetric = True ndims = len(pads) // 2 for idx_dim in range(ndims): if pads[idx_dim] != pads[ndims + idx_dim]: symmetric = False break if symmetric: return pads[:ndims], val_name val_padded = self.Pad(node, op_independent=False) return [0] * ndims, val_padded def _interpolate(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) val_scales = self.graph.get_node(node.layer.input[1], copy=True) val_y = self.graph.get_node(node.layer.output[0], copy=True) out_shape_ = val_y.out_shapes[0] if out_shape_ is not None: assert len(out_shape_) == 4, 'only 4-D Tensor as X and Y supported' out_shape_ = out_shape_[2:] scales = _const_weight_or_none(val_scales) if scales is not None: assert len(scales) == 4, 'only 4-D Tensor as X and Y supported' assert scales[0] == 1 and scales[ 1] == 1, 'only scale on (NC)HW supported' assert scales[2] == scales[ 3], 'only aspect-ratio-invariant scale supported' scale = scales[2] if scales else None if scale is None: assert out_shape_, 'neither scales nor output shape is available' out_shape = out_shape_ else: out_shape = None if out_shape_ is None: in_shape = val_x.out_shapes[0] assert in_shape is not None, 'out_shape required but not inferrable' assert len( in_shape) == 4, 'only 4-D Tensor as X and Y supported' out_shape_ = [in_shape[2] * scale, in_shape[3] * scale] mode = node.get_attr('mode', 'nearest') fluid_op = 'resize_{}'.format(mode) attr = { 'scale': scale, 'out_shape': out_shape, 'name': string(node.layer_name) } node.fluid_code.add_layer(fluid_op, inputs=val_x, output=node, param_attr=attr) def Pad(self, node, op_independent=True): val_x = self.graph.get_node(node.layer.input[0], copy=True) pads = node.get_attr('pads') mode = node.get_attr('mode', 'constant') value = node.get_attr('value', 0.) data_shape = val_x.out_shapes[0] output_shape = node.out_shapes[0] assume_pad2d = False attr = {} if len(pads) == 4: assume_pad2d |= mode != 'constant' if data_shape: assume_pad2d |= data_shape and len(data_shape) == 4 # NCHW if output_shape: assume_pad2d |= output_shape and len(output_shape) == 4 # NCHW if assume_pad2d: fluid_op = 'pad2d' attr['data_format'] = string('NCHW') attr['mode'] = string(mode) else: attr = {'pad_value': value} fluid_op = 'pad' if len(pads) == 4: paddings = np.array(pads).reshape( (-1, 2)).transpose().flatten().tolist() # SSEE -> SESE elif len(pads) == 8: paddings = np.array(pads).reshape( (-1, 4)).transpose().flatten().tolist() # SSEE -> SESE if sum(paddings[:4]) == 0: fluid_op = 'pad2d' paddings = paddings[4:] attr['mode'] = string(mode) attr['paddings'] = paddings if op_independent: attr['name'] = string(node.layer_name) node.fluid_code.add_layer(fluid_op, inputs=val_x, output=node, param_attr=attr) else: attr['name'] = string(node.layer_name + '_paded') node.fluid_code.add_layer(fluid_op, inputs=val_x, output=node.layer_name + '_paded', param_attr=attr) return node.layer_name + '_paded' def Unsqueeze(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) axes = node.get_attr('axes') attr = {'axes': axes, 'name': string(node.layer_name)} node.fluid_code.add_layer('unsqueeze', inputs=val_x, output=node, param_attr=attr) def Shrink(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) bias = node.get_attr('bias') lambd = node.get_attr('lambd') assert bias == 0.0, 'not support bias!=0' attr = {'threshold': lambd, 'name': node.layer_name} node.fluid_code.add_layer('hard_shrink', inputs=val_x, output=node, param_attr=attr) def Constant(self, node): val_output = self.graph.get_node(node.layer.output[0], copy=True) value = node.get_attr('value') dtype = np.dtype(value.dtype) output_dtype = val_output.dtype if output_dtype: assert dtype == output_dtype, 'tensor dtype unmatches storage dtype' shape = node.get_attr('shape', None) if shape is None: shape = val_output.out_shapes[0] if shape is None: shape = list(value.shape) _logger.warning( 'in (Constant -> %s): ' 'attribute "shape" of %s not inferred, ' 'using value as 1-D tensor may lead to fails', val_output.layer_name, val_output.layer_name) if len(value) == 1: # scalar value = value.tolist() shape = [1] value = value[0] if dtype.name == 'int64': dtype = 'int32' attr = {'shape': shape, 'dtype': string(dtype), 'value': value} node.fluid_code.add_layer('fill_constant', inputs=None, output=node, param_attr=attr) else: value = np.reshape(value, shape) self.weights[node.layer_name] = value attr = { 'dtype': string(dtype), 'shape': shape, 'name': string(node.layer_name), 'attr': string(node.layer_name), 'default_initializer': 'Constant(0.0)' } node.fluid_code.add_layer("create_parameter", inputs=None, output=node, param_attr=attr) def Resize(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) val_scales = self.graph.get_node(node.layer.input[1], copy=True) val_y = self.graph.get_node(node.layer.output[0], copy=True) out_shape_ = val_y.out_shapes[0] if out_shape_ is not None: assert len(out_shape_) == 4, 'only 4-D Tensor as X and Y supported' out_shape_ = out_shape_[2:] scales = _const_weight_or_none(val_scales) if scales is not None: assert len(scales) == 4, 'only 4-D Tensor as X and Y supported' assert scales[0] == 1 and scales[ 1] == 1, 'only scale on (NC)HW supported' assert scales[2] == scales[ 3], 'only aspect-ratio-invariant scale supported' scale = scales[2] if scales else None if scale is None: assert out_shape_, 'neither scales nor output shape is available' out_shape = out_shape_ else: out_shape = None if out_shape_ is None: in_shape = val_x.out_shapes[0] assert in_shape is not None, 'out_shape required but not inferrable' assert len( in_shape) == 4, 'only 4-D Tensor as X and Y supported' out_shape_ = [in_shape[2] * scale, in_shape[3] * scale] mode = node.get_attr('mode', 'nearest') fluid_op = 'resize_{}'.format(mode) attr = { 'scale': scale, 'out_shape': out_shape, 'name': string(node.layer_name) } node.fluid_code.add_layer(fluid_op, inputs=val_x, output=node, param_attr=attr) def Upsample(self, node): self._interpolate(node) def Slice(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) val_y = self.graph.get_node(node.layer.output[0], copy=True) axes = node.get_attr('axes') starts = node.get_attr('starts') ends = node.get_attr('ends') shape = val_x.out_shapes[0] if shape is not None: for idx, value in enumerate(starts): if value > 2**63 - 1 // 2: value = value - ONNX_INT_MAX starts[idx] = shape[axes[idx]] + value for idx, value in enumerate(ends): if value > 2**63 - 1 // 2: value = value - ONNX_INT_MAX ends[idx] = shape[axes[idx]] + value attr = {"axes": axes, "starts": starts, "ends": ends} node.fluid_code.add_layer('slice', inputs=val_x, output=node, param_attr=attr) def ConstantOfShape(self, node): val_shape = self.graph.get_node(node.layer.input[0], copy=True) val_y = self.graph.get_node(node.layer.output[0], copy=True) shape = _const_weight_or_none(val_shape) if shape is None: shape = node.out_shapes[0] assert shape is not None, ( 'given shape is neither const value nor deductible from output, ' 'this is not supported') value = node.get_attr('value') dtype = value.dtype value = value.tolist() if len(value) == 1: shape = [1] value = value[0] if dtype.name == 'int64': dtype = 'int32' attr = {'shape': shape, 'dtype': string(dtype), 'value': value} node.fluid_code.add_layer('fill_constant', inputs=None, output=node, param_attr=attr) def Split(self, node): val_input = self.graph.get_node(node.layer.input[0], copy=True) var_outs = [val for val in node.layer.input] fluid_op = 'split' split = node.get_attr['split'] axis = node.get_attr('axis', 0) attr = {'split': split, 'axis': axis, 'name': string(node.layer_name)} # generation node.fluid_code.add_layer('split', inputs=val_input, output=var_outs, param_attr=attr) def Reshape(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) val_shape = self.graph.get_node(node.layer.input[1], copy=True) val_reshaped = self.graph.get_node(node.layer.output[0], copy=True) shape = None if isinstance(val_shape, ONNXGraphDataNode): self.omit_nodes.append(val_shape.layer_name) # catch dynamic graph shape if isinstance(val_shape, ONNXGraphNode): shape, _, _ = self.decoder.onnx_graph.get_dynamic_shape( val_shape.layer_name) if shape is None: shape = val_reshaped.out_shapes[0] shape_dtype = val_shape.dtype if shape_dtype is None: _logger.warning( 'in op %s(%s -> Reshape -> %s): ' 'dtype of input "shape" not inferred, int32 assumed', node.layer_name, val_x.layer_name, val_reshaped.layer_name) shape_dtype = _np.dtype('int32') if shape is None: shape = [1, -1] _logger.warning( 'in %s(%s -> Reshape -> %s): ' 'input "shape" not inferred, use [1, -1] as dummy value, ' 'the behavior of Paddle fluid maybe undefined', node.layer_name, val_x.layer_name, val_reshaped.layer_name) attr = {'shape': shape, 'name': string(node.layer_name)} node.fluid_code.add_layer('reshape', inputs=val_x, output=node, param_attr=attr) def Cast(self, node): val_input = self.graph.get_node(node.layer.input[0], copy=True) val_output = self.graph.get_node(node.layer.output[0], copy=True) dtype = node.get_attr('to') if not isinstance(dtype, np.dtype): dtype = TENSOR_TYPE_TO_NP_TYPE[dtype] output_dtype = val_output.dtype if output_dtype: assert dtype == output_dtype, 'dtype of to unmatches output' attr = {'dtype': string(dtype)} node.fluid_code.add_layer('cast', inputs=val_input, output=node, param_attr=attr) def AveragePool(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) auto_pad = node.get_attr('auto_pad', 'NOTSET') kernel_shape = node.get_attr("kernel_shape") poolnd = len(kernel_shape) strides = node.get_attr("strides") pad_mode = node.get_attr("pads") ceil_mode = bool(node.get_attr('ceil_mode', 0)) pads = node.get_attr('pads', [0] * (poolnd * 2)) fluid_op = 'pool{}d'.format(poolnd) assert 2 <= poolnd <= 3, 'only pool2d and pool3d is supported' input_shape = val_x.out_shapes[0] paddings, val_x = self._pad_if_asymmetric(node, pads, val_x) if auto_pad == "SAME_UPPER" or auto_pad == "SAME_LOWER": pad_h = get_same_padding(input_shape[2], kernel_shape[0], strides[0]) pad_w = get_same_padding(input_shape[3], kernel_shape[1], strides[1]) attr = {"paddings": pad_h + pad_w, "pad_value": 0.0} attr = { "pool_size": kernel_shape, "pool_type": string('avg'), "pool_stride": strides, "pool_padding": paddings, "ceil_mode": ceil_mode, "exclusive": 'True', "name": string(node.layer_name) } node.fluid_code.add_layer(fluid_op, inputs=val_x, output=node, param_attr=attr) def Concat(self, node): inputs = [] for i in range(len(node.layer.input)): ipt = self.graph.get_node(node.layer.input[i], copy=True) if isinstance(ipt, str): inputs.append(ipt) else: inputs.append(ipt.layer_name) axis = node.get_attr('axis') attr = {'axis': axis} node.fluid_code.add_layer('concat', inputs='[' + ', '.join(inputs) + ']', output=node, param_attr=attr) def Flatten(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) axis = node.get_attr('axis', 1) attr = {"axis": str(axis), "name": string(node.layer_name)} node.fluid_code.add_layer('flatten', inputs=val_x, output=node, param_attr=attr) def Gemm(self, node): val_a = self.graph.get_node(node.layer.input[0], copy=True) val_b = self.graph.get_node(node.layer.input[1], copy=True) val_c = self.graph.get_node(node.layer.input[2], copy=True) alpha = node.get_attr('alpha', 1.) # optional beta = node.get_attr('beta', 1.) # optional trans_a = bool(node.get_attr('transA', 0)) # optional trans_b = bool(node.get_attr('transB', 0)) # optional val_mm = node.layer_name + '_mm' matmul_inputs = {"x": val_a, "y": val_b} attr_matmul = { "transpose_x": trans_a, "transpose_y": trans_b, "alpha": alpha, "name": string(val_mm) } node.fluid_code.add_layer('matmul', inputs=matmul_inputs, output=val_mm, param_attr=attr_matmul) if beta != 0: if beta == 1.: add_inputs = {"x": val_mm, "y": val_c} attr = {"name": string(node.layer_name)} node.fluid_code.add_layer("elementwise_add", inputs=add_inputs, output=node, param_attr=attr) else: var_beta = node.layer_name + '_beta' matmul_beta_inputs = {"x": val_c, "y": var_beta} node.fluid_code.add_layer("Constant", inputs=matmul_beta_inputs, output=var_beta, param_attr={'value': beta}) add_inputs = {"x": val_mm, "y": var_beta} attr = {"name": string(node.layer_name)} node.fluid_code.add_layer("elementwise_add", inputs=add_inputs, output=node, param_attr=attr) def Add(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) val_y = self.graph.get_node(node.layer.input[1], copy=True) inputs = { "x": val_x, "y": val_y, } attr = {"name": string(node.layer_name)} node.fluid_code.add_layer("elementwise_add", inputs=inputs, output=node, param_attr=attr) def Sum(self, node): val_inps = node.layer.input inputs = { "x": val_inps[0], "y": val_inps[1], } node.fluid_code.add_layer("elementwise_add", inputs=inputs, output=node) for ipt in val_inps[2:]: inputs = { "x": node.layer_name, "y": ipt, } node.fluid_code.add_layer("elementwise_add", inputs=inputs, output=node) def MatMul(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) val_y = self.graph.get_node(node.layer.input[1], copy=True) inputs = {"x": val_x, "y": val_y} attr = {"name": string(node.layer_name)} node.fluid_code.add_layer("matmul", inputs=inputs, output=node, param_attr=attr) def BatchNormalization(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) val_scale = self.graph.get_node(node.layer.input[1], copy=True) val_b = self.graph.get_node(node.layer.input[2], copy=True) val_mean = self.graph.get_node(node.layer.input[3], copy=True) val_var = self.graph.get_node(node.layer.input[4], copy=True) self.omit_nodes.append(val_scale.layer_name) self.omit_nodes.append(val_b.layer_name) self.omit_nodes.append(val_mean.layer_name) self.omit_nodes.append(val_var.layer_name) momentum = node.get_attr('momentum', .9) epsilon = node.get_attr('epsilon', 1e-5) # Attribute: spatial is used in BatchNormalization-1,6,7 spatial = bool(node.get_attr('spatial')) attr = { "momentum": momentum, "epsilon": epsilon, "data_layout": string('NCHW'), "is_test": True, "param_attr": string(val_scale.layer_name), "bias_attr": string(val_b.layer_name), "moving_mean_name": string(val_mean.layer_name), "moving_variance_name": string(val_var.layer_name), "use_global_stats": spatial, "name": string(node.layer_name) } node.fluid_code.add_layer("batch_norm", inputs=val_x, output=node, param_attr=attr) def Transpose(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) perm = node.get_attr('perm') attr = {'perm': perm, "name": string(node.layer_name)} node.fluid_code.add_layer("transpose", inputs=val_x, output=node, param_attr=attr) def Mul(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) val_y = self.graph.get_node(node.layer.input[1], copy=True) val_x_shape = val_x.out_shapes[0] val_y_shape = val_y.out_shapes[0] slice_idx = 0 for dim in val_y_shape: if dim == 1: slice_idx += 1 else: break attr = {"name": string(node.layer_name)} if slice_idx < len(val_y_shape) and slice_idx > 0: val_y_reshaped = val_y_shape[slice_idx:] var_y_reshaped = val_y.layer_name + '_reshaped' attr_reshaped = { 'shape': val_y_reshaped, 'name': string(var_y_reshaped) } node.fluid_code.add_layer('reshape', inputs=val_y, output=var_y_reshaped, param_attr=attr_reshaped) inputs = {'x': val_x, 'y': var_y_reshaped} node.fluid_code.add_layer("elementwise_mul", inputs=inputs, output=node, param_attr=attr) else: inputs = {'x': val_x, 'y': val_y} node.fluid_code.add_layer("elementwise_mul", inputs=inputs, output=node, param_attr=attr) def Div(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) val_y = self.graph.get_node(node.layer.input[1], copy=True) val_x_shape = val_x.out_shapes[0] val_y_shape = val_y.out_shapes[0] slice_idx = 0 for dim in val_y_shape: if dim == 1: slice_idx += 1 else: break attr = {"name": string(node.layer_name)} if slice_idx < len(val_y_shape) and slice_idx > 0: val_y_reshaped = val_y_shape[slice_idx:] var_y_reshaped = val_y.layer_name + '_reshaped' attr_reshaped = { 'shape': val_y_reshaped, 'name': string(var_y_reshaped) } node.fluid_code.add_layer('reshape', inputs=val_y, output=var_y_reshaped, param_attr=attr_reshaped) inputs = {'x': val_x, 'y': var_y_reshaped} node.fluid_code.add_layer("elementwise_div", inputs=inputs, output=node, param_attr=attr) else: inputs = {'x': val_x, 'y': val_y} node.fluid_code.add_layer("elementwise_div", inputs=inputs, output=node, param_attr=attr) def Relu(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) attr = {"name": string(node.layer_name)} node.fluid_code.add_layer("relu", inputs=val_x, output=node, param_attr=attr) def PRelu(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) val_slope = self.graph.get_node(node.layer.input[1], copy=True) mode = 'channel' shape_slope = val_slope.out_shapes[0] if len(shape_slope) == 1: mode = 'all' elif len(shape_slope) > 2: mode = 'element' attr = { "param_attr": string(val_slope.layer_name), 'mode': string(mode) } node.fluid_code.add_layer("prelu", inputs=val_x, output=node, param_attr=attr) def Squeeze(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) squeeze_dims = node.get_attr('squeeze_dims') attr = {'axes': squeeze_dims, "name": string(node.layer_name)} node.fluid_code.add_layer("squeeze", inputs=val_x, output=node, param_attr=attr) def Identity(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) node.fluid_code.add_layer("assign", inputs=val_x, output=node) def MaxPool(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) auto_pad = node.get_attr('auto_pad', 'NOTSET') assert node.get_attr( "dilations") is None, 'only dilations = 0 is supported' # optional kernel_shape = node.get_attr("kernel_shape") poolnd = len(kernel_shape) strides = node.get_attr("strides") pad_mode = node.get_attr("pads") ceil_mode = bool(node.get_attr('ceil_mode', 0)) # optional pads = node.get_attr('pads', [0] * (poolnd * 2)) # optional fluid_op = 'pool{}d'.format(poolnd) assert 2 <= poolnd <= 3, 'only pool2d and pool3d is supported' input_shape = val_x.out_shapes[0] paddings, val_x = self._pad_if_asymmetric(node, pads, val_x) if auto_pad == "SAME_UPPER" or auto_pad == "SAME_LOWER": pad_h = get_same_padding(input_shape[2], kernel_shape[0], strides[0]) pad_w = get_same_padding(input_shape[3], kernel_shape[1], strides[1]) attr = {"paddings": pad_h + pad_w, "pad_value": 0.0} attr = { "pool_size": kernel_shape, "pool_type": string("max"), "pool_stride": strides, "pool_padding": paddings, "ceil_mode": ceil_mode, "name": string(node.layer_name), "exclusive": False } node.fluid_code.add_layer(fluid_op, inputs=val_x, output=node, param_attr=attr) def GlobalAveragePool(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) val_y = self.graph.get_node(node.layer.output[0], copy=True) input_shape = val_x.out_shapes[0] output_shape = val_y.out_shapes[0] assert input_shape is not None or output_shape is not None, 'poolnd not inferred' # N if input_shape: poolnd = len(input_shape) - 2 # NC... elif output_shape: poolnd = len(output_shape) - 2 # NC... assert 2 <= poolnd <= 3, 'only pool2d and pool3d is supported' fluid_op = 'pool{}d'.format(poolnd) attr = { "pool_type": string("avg"), "global_pooling": True, "name": string(node.layer_name) } node.fluid_code.add_layer(fluid_op, inputs=val_x, output=node, param_attr=attr) def Conv(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) val_w = self.graph.get_node(node.layer.input[1], copy=True) val_y = self.graph.get_node(node.layer.output[0], copy=True) self.omit_nodes.append(val_w.layer_name) has_bias = len(node.layer.input) == 3 if has_bias: val_b = self.graph.get_node(node.layer.input[2], copy=True) self.omit_nodes.append(val_b.layer_name) auto_pad = node.get_attr('auto_pad', 'NOTSET') kernel_shape = val_w.out_shapes[0][2:] # OI... assert kernel_shape == node.get_attr( 'kernel_shape'), 'kernel_shape in attr unmatches value_info' # HW convnd = len(kernel_shape) assert 2 <= convnd <= 3, 'only conv2d and conv3d is supported' num_out_channels = val_w.out_shapes[0][0] # OI... fluid_op = 'conv{}d'.format(convnd) num_groups = node.get_attr('group', 1) strides = node.get_attr('strides', [1] * convnd) # optional dilations = node.get_attr('dilations', [1] * convnd) # optional pads = node.get_attr('pads', [0] * (convnd * 2)) # optional input_shape = val_x.out_shapes[0] paddings, val_x = self._pad_if_asymmetric(node, pads, val_x) if auto_pad == "SAME_UPPER" or auto_pad == "SAME_LOWER": pad_h = get_same_padding(input_shape[2], kernel_shape[0], strides[0]) pad_w = get_same_padding(input_shape[3], kernel_shape[1], strides[1]) attr = {"paddings": pad_h + pad_w, "pad_value": 0.0} attr = { "num_filters": num_out_channels, "filter_size": kernel_shape, "stride": strides, "padding": paddings, "dilation": dilations, "groups": num_groups, 'param_attr': string(val_w.layer_name), "name": string(node.layer_name) } if has_bias: attr["bias_attr"] = string(val_b.layer_name) else: attr["bias_attr"] = False node.fluid_code.add_layer(fluid_op, inputs=val_x, output=node, param_attr=attr) def ConvTranspose(self, node): val_x = self.graph.get_node(node.layer.input[0], copy=True) val_w = self.graph.get_node(node.layer.input[1], copy=True) val_b = self.graph.get_node(node.layer.input[2], copy=True) self.omit_nodes.append(val_w.layer_name) self.omit_nodes.append(val_b.layer_name) val_y = self.graph.get_node(node.layer.output[0], copy=True) auto_pad = node.get_attr('auto_pad', 'NOTSET') out_padding = node.get_attr('output_padding', [0, 0]) kernel_shape = node.get_attr('kernel_shape', val_w.out_shapes[0][2:]) assert kernel_shape, 'kernel_shape not inferred' convnd = len(kernel_shape) assert 2 <= convnd <= 3, 'only conv2d_transpose and conv3d_transpose supported' num_out_channels = val_w.out_shapes[0][1] fluid_op = 'conv{}d_transpose'.format(convnd) num_groups = node.get_attr('group', 1) strides = node.get_attr('strides', [1] * convnd) dilations = node.get_attr('dilations', [1] * convnd) output_size = node.get_attr('output_shape', []) pads = node.get_attr('pads', [0] * (convnd * 2)) paddings, var_x = self._pad_if_asymmetric(node, pads, val_x) output_size = [0, 0] output_size[0] = (val_x.out_shapes[0][2] - 1) * strides[0] - 2 * paddings[0] + dilations[0] * ( kernel_shape[0] - 1) + 1 + out_padding[0] output_size[1] = (val_x.out_shapes[0][3] - 1) * strides[1] - 2 * paddings[1] + dilations[1] * ( kernel_shape[1] - 1) + 1 + out_padding[1] attr = { 'num_filters': num_out_channels, 'output_size': output_size or None, 'filter_size': kernel_shape, 'padding': paddings, 'stride': strides, 'dilation': dilations, 'groups': num_groups, 'param_attr': string(val_w.layer_name), 'bias_attr': string(val_b.layer_name), 'name': string(node.layer_name), } node.fluid_code.add_layer(fluid_op, inputs=val_x, output=node, param_attr=attr)