# Copyright (c) 2021 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 typing import Optional, List, Callable, Dict, Any, Set import numpy as np import paddle import paddle.fluid as fluid import paddle.fluid.core as core from paddle import compat as cpt from paddle.fluid.initializer import NumpyArrayInitializer from paddle.fluid.framework import convert_np_dtype_to_dtype_ from paddle.fluid.contrib.slim.quantization import QuantizationTransformPass from paddle.fluid.contrib.slim.quantization import QuantizationFreezePass from paddle.fluid.framework import IrGraph, IrNode, Operator from paddle.fluid.executor import global_scope class TensorConfig: ''' A config builder for a input or a weight. ''' def __init__(self, lod: Optional[List[List[int]]]=None, data_gen: Optional[Callable[..., np.array]]=None, shape: Optional[List[List[int]]]=None): ''' shape: The shape of the tensor. dtype: The data type of the tensor. data: The value of WeightVar. for input, it should be None ''' self.lod = lod if data_gen is not None: self.data_gen = data_gen self.data = data_gen() self.dtype = data_gen().dtype self.shape = data_gen().shape else: assert shape is not None, "While data_gen is not defined, shape must not be None" self.data = np.random.normal(0.0, 1.0, shape).astype(np.float32) self.shape = shape self.dtype = self.data.dtype def __repr__(self): return str({'shape': self.shape, 'lod': self.lod, 'dtype': self.dtype}) class OpConfig: ''' A config builder for generating a Op. ''' def __init__(self, type: str, inputs: Dict[str, List[str]], outputs: Dict[str, List[str]], attrs: Dict[str, Any]=None, **kwargs): self.type = type self.inputs = inputs self.outputs = outputs self.attrs = attrs if self.attrs is None: self.attrs = dict() self.attrs.update(kwargs) def __repr__(self): log_str = self.type log_str += str(self.attrs) return log_str class ProgramConfig: ''' A config builder for generating a Program. ''' def __init__(self, ops: List[OpConfig], weights: Dict[str, TensorConfig], inputs: Dict[str, TensorConfig], outputs: List[str]): self.ops = ops # if no weight need to save, we create a place_holder to help seriazlie params. if not weights: def generate_weight(): return np.array([1]).astype(np.float32) self.weights = { "place_holder_weight": TensorConfig(data_gen=generate_weight) } else: self.weights = weights self.inputs = inputs self.outputs = outputs def __repr__(self): log_str = '' for i in range(len(self.ops)): if i != len(self.ops) - 1: log_str += repr(self.ops[i]) + ' + ' else: log_str += repr(self.ops[i]) log_str += ' -- ' for t, v in self.inputs.items(): log_str += '[' + t + ': ' + str(v) + ']' for t, v in self.weights.items(): log_str += '[' + t + ': ' + str(v) + ']' return log_str def create_fake_model(program_config): ''' Create a Paddle model(in memory) according to the given config. ''' paddle.enable_static() main_program_desc = core.ProgramDesc() util_program = fluid.Program() main_block_desc = main_program_desc.block(0) var_desc = main_block_desc.var(cpt.to_bytes("feed")) var_desc.set_type(core.VarDesc.VarType.FEED_MINIBATCH) var_desc.set_persistable(True) index = 0 for name, tensor_config in program_config.inputs.items(): var_desc = main_block_desc.var(cpt.to_bytes(name)) var_desc.set_type(core.VarDesc.VarType.LOD_TENSOR) var_desc.set_dtype(convert_np_dtype_to_dtype_(tensor_config.dtype)) var_desc.set_shape(tensor_config.shape) var_desc.set_need_check_feed(True) op_desc = main_block_desc._prepend_op() op_desc.set_type("feed") op_desc.set_input('X', ["feed"]) op_desc.set_output('Out', [name]) op_desc._set_attr("col", index) index = index + 1 save_var_map = {} for name, tensor_config in program_config.weights.items(): var_desc = main_block_desc.var(cpt.to_bytes(name)) var_desc.set_type(core.VarDesc.VarType.LOD_TENSOR) var_desc.set_dtype(convert_np_dtype_to_dtype_(tensor_config.dtype)) var_desc.set_shape(tensor_config.shape) var_desc.set_persistable(True) save_var_map[name] = util_program.global_block().create_parameter( dtype=tensor_config.dtype, shape=tensor_config.shape, type=core.VarDesc.VarType.LOD_TENSOR, name=name, initializer=NumpyArrayInitializer(tensor_config.data)) in_vars = [] for name in sorted(save_var_map.keys()): in_vars.append(save_var_map[name]) out_var = util_program.global_block().create_var( type=core.VarDesc.VarType.RAW, name="out_var_0") out_var.desc.set_persistable(True) util_program.global_block().append_op( type='save_combine', inputs={'X': in_vars}, outputs={'Y': out_var}, attrs={'file_path': '', 'save_to_memory': True}) for op_config in program_config.ops: op_desc = main_block_desc.append_op() op_desc.set_type(op_config.type) for name, values in op_config.inputs.items(): op_desc.set_input(name, values) for name, values in op_config.attrs.items(): op_desc._set_attr(name, values) for name, values in op_config.outputs.items(): op_desc.set_output(name, values) for v in values: var_desc = main_block_desc.var(cpt.to_bytes(v)) var_desc.set_type(core.VarDesc.VarType.LOD_TENSOR) var_desc.set_dtype( convert_np_dtype_to_dtype_(tensor_config.dtype)) op_desc.infer_var_type(main_block_desc) op_desc.infer_shape(main_block_desc) for index, name in enumerate(program_config.outputs): var_desc = main_block_desc.var(cpt.to_bytes("fetch")) var_desc.set_type(core.VarDesc.VarType.FETCH_LIST) var_desc.set_need_check_feed(True) op_desc = main_block_desc.append_op() op_desc.set_type("fetch") op_desc.set_input('X', [name]) op_desc.set_output('Out', ["fetch"]) op_desc._set_attr("col", index) main_program_desc._set_version() paddle.fluid.core.save_op_version_info(main_program_desc) model = main_program_desc.serialize_to_string() util_program._sync_with_cpp() place = fluid.CPUPlace() executor = fluid.Executor(place) scope = fluid.Scope() with fluid.scope_guard(scope): executor.run(util_program) params = scope.find_var("out_var_0").get_bytes() return model, params def create_quant_model(model, params, activation_quantize_type='moving_average_abs_max', weight_quantize_type='channel_wise_abs_max', save=False): place = paddle.CUDAPlace(0) scope = global_scope() exe = paddle.static.Executor(place) [inference_program, feed_target_names, fetch_targets] = paddle.static.load_inference_model( path_prefix=None, executor=exe, model_filename=model, params_filename=params) graph = IrGraph(core.Graph(inference_program.desc), for_test=True) out_scale_op_list = [ "conv2d", "depthwise_conv2d", "mul", "matmul", "relu", "leaky_relu", "relu6", "sigmoid", "tanh", "prelu", "swish", "softmax", "batch_norm", "layer_norm", "elementwise_add", "pool2d", "reshape2", "transpose2", "concat", "elementwise_mul", "scale", "slice", "hard_swish", "hard_sigmoid", "conv2d_transpose", "gru", "bilinear_interp", "nearest_interp", "trilinear_interp", "flatten", "flatten2", "transpose", "pad2d", "reshape", "layer_norm", ] op_real_in_out_name = { "conv2d": [["Input", "Filter"], ["Output"]], "depthwise_conv2d": [["Input", "Filter"], ["Output"]], "conv2d_transpose": [["Input", "Filter"], ["Output"]], "mul": [["X", "Y"], ["Out"]], "matmul": [["X", "Y"], ["Out"]], "pool2d": [["X"], ["Out"]], "elementwise_add": [["X", "Y"], ["Out"]], "concat": [["X"], ["Out"]], "softmax": [["X"], ["Out"]], "argmax": [["X"], ["Out"]], "transpose": [["X"], ["Out"]], "equal": [["X", "Y"], ["Out"]], "gather": [["X"], ["Out"]], "greater_equal": [["X", "Y"], ["Out"]], "greater_than": [["X", "Y"], ["Out"]], "less_equal": [["X", "Y"], ["Out"]], "less_than": [["X", "Y"], ["Out"]], "mean": [["X"], ["Out"]], "not_equal": [["X", "Y"], ["Out"]], "reshape": [["X"], ["Out"]], "reshape2": [["X"], ["Out"]], "transpose2": [["X"], ["Out"]], "bilinear_interp": [["X"], ["Out"]], "nearest_interp": [["X"], ["Out"]], "trilinear_interp": [["X"], ["Out"]], "slice": [["Input"], ["Out"]], "squeeze": [["X"], ["Out"]], "elementwise_sub": [["X", "Y"], ["Out"]], "relu": [["X"], ["Out"]], "relu6": [["X"], ["Out"]], "leaky_relu": [["X"], ["Out"]], "prelu": [["X"], ["Out"]], "tanh": [["X"], ["Out"]], "swish": [["X"], ["Out"]], "dropout": [["X"], ["Out"]], "batch_norm": [["X"], ["Y"]], "layer_norm": [["X"], ["Y"]], "sigmoid": [["X"], ["Out"]], "elementwise_mul": [["X", "Y"], ["Out"]], "scale": [["X"], ["Out"]], "hard_swish": [["X"], ["Out"]], "hard_sigmoid": [["X"], ["Out"]], "gru": [["Input", "Weight"], ["Hidden"]], "lstm": [["Input", "Weight"], ["Hidden"]], "pad2d": [["X"], ["Out"]], "flatten": [["X"], ["Out"]], "flatten2": [["X"], ["Out"]], } def _get_op_output_var_names(op): """ """ assert isinstance(op, (IrNode, Operator)), \ "The input op should be IrNode or Operator." var_names = [] op_name = op.name() if isinstance(op, IrNode) \ else op.type if op_name not in op_real_in_out_name: return [] name_list = op_real_in_out_name[op_name][1] for name in name_list: var_name = op.output(name) if isinstance(var_name, list): var_names.extend(var_name) else: var_names.append(var_name) return var_names transform_pass = QuantizationTransformPass( scope=scope, place=place, activation_quantize_type=activation_quantize_type, weight_quantize_type=weight_quantize_type) transform_pass.apply(graph) op_nodes = graph.all_op_nodes() for op_node in op_nodes: if op_node.name() in out_scale_op_list: var_names = _get_op_output_var_names(op_node) for var_name in var_names: in_node = graph._find_node_by_name(op_node.outputs, var_name) if in_node.dtype() not in \ [core.VarDesc.VarType.FP64, core.VarDesc.VarType.FP32]: continue op_node.op()._set_attr("out_threshold", 3.0) # Freeze graph for inference, but the weight of fc/conv is still float type. freeze_pass = QuantizationFreezePass( scope=scope, place=place, weight_quantize_type=weight_quantize_type) freeze_pass.apply(graph) main_program = graph.to_program() # modify fake_quantize_moving_average_abs_max(InScale) and fake_channel_wise_dequantize_max_abs(Scales) op_nodes = graph.all_op_nodes() for op_node in op_nodes: if op_node.name() == 'fake_quantize_moving_average_abs_max': var_name = op_node.input("InScale")[0] tensor = scope.var(var_name).get_tensor() tensor.set(np.array([1], dtype=np.float32), place) elif op_node.name() == 'fake_channel_wise_dequantize_max_abs': var_name = op_node.input("Scales")[0] tensor = scope.var(var_name).get_tensor() tensor.set(np.ones(tensor.shape(), dtype=np.float32), place) if save: fluid.io.save_inference_model( 'test_inference_model', feed_target_names, fetch_targets, exe, main_program=main_program) feed_vars = [ main_program.global_block().var(name) for name in feed_target_names ] serialized_program = paddle.static.serialize_program( feed_vars, fetch_targets, program=main_program) serialized_params = paddle.static.serialize_persistables( feed_vars, fetch_targets, executor=exe, program=main_program) return serialized_program, serialized_params