# Copyright (c) 2022 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. """ incubate layers just related to the neural network. """ from __future__ import annotations import warnings from typing import TYPE_CHECKING, Literal, overload import numpy as np import paddle from paddle import _C_ops, _legacy_C_ops from paddle.base import core, unique_name from paddle.base.data_feeder import ( check_dtype, check_type, check_variable_and_dtype, ) from paddle.base.framework import ( Variable, convert_nptype_to_datatype_or_vartype, in_dynamic_or_pir_mode, ) from paddle.base.layer_helper import LayerHelper from paddle.base.param_attr import ParamAttr from paddle.framework import in_pir_mode if TYPE_CHECKING: from paddle import Tensor from paddle._typing import DTypeLike, ParamAttrLike __all__ = [] def fused_seqpool_cvm( input: Tensor, pool_type: Literal['sum'], cvm: Tensor, pad_value: float = 0.0, use_cvm: bool = True, cvm_offset: int = 2, ) -> Tensor: """ :api_attr: Static Graph This OP is the fusion of sequence_pool and continuous_value_model op. **Note:** The Op only receives List of DenseTensor as input, only support SUM pooling now. Args: input(Tensor): Input is List of DenseTensor. pool_type(str): pooling type, only support SUM pooling now. cvm(Tensor): cvm Tensor. pad_value(float, optional): padding value of sequence pool. Default: 0.0. use_cvm(bool, optional): use cvm or not. Default: True. cvm_offset(int, optional): cvm offset. Default: 2, which means cvm contains show, click. Returns: Tensor : The tensor storing sequence pool and cvm of input. Examples: .. code-block:: pycon >>> import paddle >>> paddle.enable_static() >>> data = paddle.static.data(name='x', shape=[-1, 1], dtype='int64', lod_level=1) >>> data2 = paddle.static.data(name='y', shape=[-1, 1], dtype='int64', lod_level=1) >>> inputs = [data, data2] >>> embs = paddle.incubate.layers.nn._pull_box_sparse(input=inputs, size=11, is_distributed=True, is_sparse=True) >>> label = paddle.static.data(name="label", shape=[-1, 1], dtype="int64", lod_level=1) >>> ones = paddle.static.data(name="ones", shape=[-1, 1], dtype="int64", lod_level=1) >>> show_clk = paddle.cast(paddle.concat([ones, label], axis=1), dtype='float32') >>> show_clk.stop_gradient = True >>> cvms = paddle.incubate.layers.fused_seqpool_cvm(embs, 'sum', show_clk) """ helper = LayerHelper('fused_seqpool_cvm', **locals()) if pool_type.upper() != 'SUM': raise ValueError( "fused_seqpool_cvm only support SUM pooling now, and your type is: " + pool_type ) check_type(input, 'input', list, 'fused_seqpool_cvm') if isinstance(input, list): for _input in input: check_variable_and_dtype( _input, 'input', ['float32'], 'fused_seqpool_cvm' ) dtype = helper.input_dtype() inputs = helper.multiple_input() outs = [ helper.create_variable_for_type_inference(dtype) for i in range(len(inputs)) ] helper.append_op( type="fused_seqpool_cvm", inputs={"X": inputs, "CVM": cvm}, outputs={"Out": outs}, attrs={ "pooltype": pool_type.upper(), "pad_value": pad_value, "use_cvm": use_cvm, "cvm_offset": cvm_offset, }, ) return outs def search_pyramid_hash( input: Tensor, num_emb: int, space_len: int, pyramid_layer: int, rand_len: int, drop_out_percent: float, is_training: bool, use_filter: bool, white_list_len: int, black_list_len: int, seed: int, lr: float, param_attr: ParamAttrLike | None = None, param_attr_wl: ParamAttrLike | None = None, param_attr_bl: ParamAttrLike | None = None, name: str | None = None, distribute_update_vars: list[str] | None = None, dtype: DTypeLike = 'float32', ) -> Tensor: """ **Pyramid hash embedding** Args: input (Tensor): DenseTensor Tensor contained the IDs' information. num_emb (int): The embedding size of output. space_len (int): The length of pyramid hash embedding space. pyramid_layer (int): The number of pyramid layers. It should be greater than 2. rand_len (int): The minimum length of pyramid hash cell. drop_out_percent (float): The probability of dropping out the input token randomly. It should satisfy: [0., 1.]. is_training (bool): Whether in training or testing phrase. use_filter (bool): If set True, the white filter and black filter should be given by :attr:`param_attr_wl` and :attr:`param_attr_bl` . white_list_len (int): If set :math:`white_list_len>0` , white filter with shape [white_list_len, 1] should be provided by param_attr_wl. black_list_len (int): If set :math:`black_list_len>0` , black filter with shape [black_list_len, 1] should be provided by param_attr_bl. seed (int): The number of random seed. lr (float): The learning rate of weight created by :attr:`param_attr` with shape [space_len+rand_len, 1] in this layer. param_attr (ParamAttr|None, optional): To specify the weight parameter property. Default: None, which means the default weight parameter property is used. See usage for details in :ref:`api_paddle_ParamAttr` . param_attr_wl (ParamAttr|None, optional): Specified parameters of white filter. Default: None. param_attr_bl (ParamAttr|None, optional): Specified parameters of black filter. Default: None. distribute_update_vars(list[ParamAttr.name]|None, optional): Decided which params should be updated in distribute training. Used in Distribute Transpiler to create a trainer/server program. Default: None. name (str|None, optional): The default value is None. Normally there is no need for user to set this property. For more information, please refer to :ref:`api_guide_Name` . Default: None. dtype (str, optional): The data type of output Tensor, float32. Default: float32. Returns: Tensor: DenseTensor of pyramid hash embedding. """ helper = LayerHelper('search_pyramid_hash', **locals()) w_shape = [space_len + rand_len, 1] w = helper.create_parameter( attr=param_attr, shape=w_shape, dtype=dtype, is_bias=False ) w.stop_gradient = True input_vars = {'X': input, 'W': w} if white_list_len > 0: wl_shape = [white_list_len, 1] white_list = helper.create_parameter( attr=param_attr_wl, shape=wl_shape, dtype=dtype, is_bias=False ) white_list.stop_gradient = True input_vars['WhiteList'] = white_list if black_list_len >= 0: bl_shape = [black_list_len, 1] black_list = helper.create_parameter( attr=param_attr_bl, shape=bl_shape, dtype=dtype, is_bias=False ) black_list.stop_gradient = True input_vars['BlackList'] = black_list distribute_update_vars_str = "" if distribute_update_vars: assert isinstance(distribute_update_vars, list) special_name_list = [] if param_attr: special_name_list.append(param_attr.name) if param_attr_wl: special_name_list.append(param_attr_wl.name) if param_attr_bl: special_name_list.append(param_attr_bl.name) for param in distribute_update_vars: if param not in special_name_list: raise ValueError( f"Pyramid Hash layer didn't have parameter {param}" ) distribute_update_vars_str = ",".join(distribute_update_vars) if in_dynamic_or_pir_mode(): res, drop_pos = _C_ops.pyramid_hash( input_vars['X'], input_vars['W'], input_vars['WhiteList'], input_vars['BlackList'], num_emb, space_len, pyramid_layer, rand_len, drop_out_percent, int(is_training), use_filter, white_list_len, black_list_len, seed, lr, distribute_update_vars_str, ) return res else: res = helper.create_variable_for_type_inference(dtype) drop_pos = helper.create_variable_for_type_inference(dtype) x_temp_out = helper.create_variable_for_type_inference(dtype) helper.append_op( type='pyramid_hash', inputs=input_vars, outputs={"Out": res, "X_Temp_Out": x_temp_out, 'DropPos': drop_pos}, attrs={ 'num_emb': num_emb, 'space_len': space_len, 'pyramid_layer': pyramid_layer, 'rand_len': rand_len, 'drop_out_percent': drop_out_percent, 'is_training': is_training, 'use_filter': use_filter, 'white_list_len': white_list_len, 'black_list_len': black_list_len, 'seed': seed, 'lr': lr, 'distribute_update_vars': distribute_update_vars_str, }, ) return res def shuffle_batch(x: Tensor, seed: int | Tensor | None = None) -> Tensor: """ This layer shuffle input tensor :attr:`x` . Normally, :attr:`x` is 2-D DenseTensor. :attr:`x` is a DenseTensor to be shuffled with shape :math:`[N_1, N_2, ..., N_k, D]` . Note that the last dim of input will not be shuffled. :math:`N_1 * N_2 * ... * N_k` numbers of elements with length :math:`D` will be shuffled randomly. Examples: .. code-block:: text Input: x.data = [[1, 2], [3, 4], [5, 6], [7, 8]] x.dims = [4, 2] Attrs: seed = 2019 Output: Out.data =[[7, 8], [1, 2], [3, 4], [5, 6]] Out.dims = [4, 2] Args: x (Tensor): The input Tensor. The input Tensor is a N-D DenseTensor with type int, float32 or float64. seed (None|int|Tensor, optional): The start up seed. If set, seed will be set as the start up seed of shuffle engine. If not set(Default), start up seed of shuffle engine will be generated randomly. Default: None. Returns: Tensor: The shuffled DenseTensor with the same shape and lod as input. Examples: .. code-block:: pycon >>> import paddle >>> paddle.enable_static() >>> x = paddle.static.data(name="x", shape=[-1, 4]) >>> out = paddle.incubate.layers.shuffle_batch(x) """ helper = LayerHelper('shuffle_batch', **locals()) out = helper.create_variable_for_type_inference(dtype=x.dtype) shuffle_idx = helper.create_variable_for_type_inference(dtype=np.int64) if seed is None and helper.main_program.random_seed != 0: seed = helper.main_program.random_seed if seed is None: seed = np.random.randint(-65536, 65535) op_attrs = {} if isinstance(seed, int): op_attrs["startup_seed"] = seed if in_pir_mode(): seed = paddle.full([0], 0, "int64") out, _, _ = _C_ops.shuffle_batch(x, seed, op_attrs["startup_seed"]) return out else: seed = helper.create_variable( name=unique_name.generate("shuffle_batch_seed"), dtype="int64", persistable=False, ) if in_pir_mode(): out, _, _ = _C_ops.shuffle_batch(x, seed, 0) return out helper.append_op( type='shuffle_batch', inputs={'X': x, 'Seed': seed}, outputs={'Out': out, 'ShuffleIdx': shuffle_idx, 'SeedOut': seed}, attrs=op_attrs, ) return out def partial_concat( input: list[Tensor], start_index: int = 0, length: int = -1 ) -> Tensor: """ **Partial Concat** This OP concatenates the inputs according to the start index and length. This OP exists in incubate layers, which means that it is not shown to the public. Only 2-D Tensor input is supported. Slice and concat can only be performed along the second dimension. .. code-block:: text Given: x = [[0, 1, 2], [3, 4, 5]] y = [[6, 7 ,8], [9, 10, 11]] output = partial_concat([x, y], start_index=0, length=2) We get: output = [[0, 1, 6, 7], [3, 4, 9, 10]] Args: input(list): List of input Tensors with data type float32, float64, int32, int64, complex64, complex128. start_index(int32, optional): The start index of each instance for partial concatenation. Default is 0. length(int32, optional): The length of each instance for partial concatenation. Default is -1. Negative values for all elements after start_index. Returns: Tensor: A Tensor with the same data type as input's. Examples: .. code-block:: pycon >>> import paddle >>> x = paddle.randn(name="x", shape=[1, 3], dtype="float32") >>> y = paddle.randn(name="y", shape=[1, 3], dtype="float32") >>> concat = paddle.incubate.layers.partial_concat([x, y], start_index=0, length=2) """ if not isinstance(input, list): warnings.warn( f"The type of input in partial_concat should be list, but received {type(input)}." ) input = [input] for id, x in enumerate(input): check_variable_and_dtype( x, 'input[' + str(id) + ']', [ 'float16', 'float32', 'float64', 'uint16', 'int32', 'int64', 'complex64', 'complex128', ], 'partial_concat', ) check_type(start_index, 'start_index', (int), 'partial_concat') check_type(length, 'length', (int), 'partial_concat') inputs = {'X': input} attrs = {'start_index': start_index, 'length': length} helper = LayerHelper('partial_concat', **locals()) out = helper.create_variable_for_type_inference(dtype=helper.input_dtype()) helper.append_op( type='partial_concat', inputs=inputs, outputs={'Out': [out]}, attrs=attrs, ) return out def partial_sum( input: list[Tensor], start_index: int = 0, length: int = -1 ) -> Tensor: """ **PartialSum** This Op can sum the vars by specifying the initial position(start_index) and length(length). This Op exists in incubate layers, which means that it is not shown to the public. Only 2-D Tensor input is supported. Slice and concat can only be performed along the second dimension. .. code-block:: text Given: x = [[0, 1, 2], [3, 4, 5]] y = [[6, 7 ,8], [9, 10, 11]] output = partial_sum([x, y], start_index=0, length=2) We get: output = [[6, 8], [12, 14]] Args: input (list): List of input Tensors with data type float32, float64, int32, int64. start_index (int32, optional): The start index of each instance for partial sum. Default is 0. length (int32, optional): The length of each instance for partial sum. Default is -1. Returns: Tensor: A Tensor with the same data type as input's. Examples: .. code-block:: pycon >>> import paddle >>> paddle.enable_static() >>> x = paddle.static.data(name="x", shape=[2, 3], dtype="float32") >>> y = paddle.static.data(name="y", shape=[2, 3], dtype="float32") >>> sum = paddle.incubate.layers.partial_sum([x, y], start_index=0, length=2) """ for id, x in enumerate(input): check_variable_and_dtype( x, 'input[' + str(id) + ']', ['float32', 'float64', 'int32', 'int64'], 'partial_sum', ) inputs = {'X': input} attrs = {} attrs['start_index'] = start_index attrs['length'] = length helper = LayerHelper('partial_sum', **locals()) out = helper.create_variable_for_type_inference(dtype=helper.input_dtype()) helper.append_op( type='partial_sum', inputs=inputs, outputs={'Out': [out]}, attrs=attrs ) return out def tdm_child( x: Tensor, node_nums: int, child_nums: int, param_attr: ParamAttrLike | None = None, dtype: DTypeLike = 'int32', ) -> tuple[Tensor, Tensor]: """ **Tdm Child** According to the input node_id on the given tree, return the corresponding child node_id and whether child is a leaf node by leaf_mask value. .. code-block:: text Given: tree[[0], [1, 2], [3, 4], [5, 6]] # A binary tree with seven nodes x = [[2], [3]] node_nums = 7 child_nums = 2 We get: child = [[5, 6], [0, 0]] leaf_mask = [[1, 1], [0, 0]] Args: x (Tensor): Tensor contained the node_id information, dtype support int32/int64. node_nums (int): Number of total nodes. child_nums (int): Maximum number of child nodes per node. param_attr (ParamAttr|None, optional): To specify the tdm-tree-info parameter property. Default: None, which means the default weight parameter property is used. See usage for details in: ref: `api_paddle_ParamAttr`, should has shape (node_nums, 3 + child_nums), dtype support int32/int64. The dimension[1] of tdm-tree-info contains the following: 1. Item_id (int, shape(1)), if node is a leaf node, give its item_id corresponding to node_id, else give 0. 2. Layer_id (int, shape(1)), indicates which layer the node is on. 3. Parent_id (int, shape(1)), node's parent node. 4. Child_id (int, shape(child_nums)), all child node's node_id of this node should be given. If the number of child nodes is insufficient, padding 0 until child nums equal to child_nums. dtype (str, optional): The data type of output child and leaf_mask, support int32/int64. Default: int32. Returns: tuple: A tuple including input node's child(Tensor) and leaf_mask(Tensor). If child is a leaf node, leaf_mask equal ot 1, otherwise equal to 0. Examples: .. code-block:: pycon >>> import paddle >>> import numpy as np >>> paddle.enable_static() >>> x = paddle.static.data(name="x", shape=[None, 1], dtype="int32", lod_level=1) >>> tree_info = [ ... [0, 0, 0, 1, 2], ... [0, 1, 0, 3, 4], ... [0, 1, 0, 5, 6], ... [0, 2, 1, 0, 0], ... [1, 2, 1, 0, 0], ... [2, 2, 2, 0, 0], ... [3, 2, 2, 0, 0], ... ] >>> tree_info_np = np.array(tree_info) >>> tree_info_np = np.reshape(tree_info_np, (7, 5)) >>> node_nums = 7 >>> child_nums = 2 >>> child, leaf_mask = paddle.incubate.layers.tdm_child( ... x, ... node_nums, ... child_nums, ... param_attr=paddle.ParamAttr(initializer=paddle.nn.initializer.Assign(tree_info_np)), ... ) """ helper = LayerHelper("tdm_child", **locals()) check_dtype( dtype, 'dtype', ['int32', 'int64'], 'paddle.incubate.layers.tdm_child' ) c_dtype = convert_nptype_to_datatype_or_vartype(dtype) tree_info = helper.create_parameter( attr=helper.param_attr, shape=[node_nums, 3 + child_nums], dtype=dtype, default_initializer=paddle.nn.initializer.Constant(0), ) tree_info.stop_gradient = True if in_pir_mode(): return _C_ops.tdm_child(x, tree_info, child_nums, c_dtype) child = helper.create_variable_for_type_inference(dtype=dtype) leaf_mask = helper.create_variable_for_type_inference(dtype=dtype) helper.append_op( type='tdm_child', inputs={'X': x, 'TreeInfo': tree_info}, outputs={'Child': child, 'LeafMask': leaf_mask}, attrs={'child_nums': child_nums, 'dtype': c_dtype}, stop_gradient=True, ) return (child, leaf_mask) @overload def tdm_sampler( x: Tensor, neg_samples_num_list: list[int], layer_node_num_list: list[int], leaf_node_num: int, tree_travel_attr: ParamAttrLike | None = ..., tree_layer_attr: ParamAttrLike | None = ..., output_positive: bool = ..., output_list: Literal[True] = ..., seed: int = ..., tree_dtype: DTypeLike = ..., dtype: DTypeLike = ..., ) -> tuple[list[Tensor], list[Tensor], list[Tensor]]: ... @overload def tdm_sampler( x: Tensor, neg_samples_num_list: list[int], layer_node_num_list: list[int], leaf_node_num: int, tree_travel_attr: ParamAttrLike | None = ..., tree_layer_attr: ParamAttrLike | None = ..., output_positive: bool = ..., output_list: Literal[False] = ..., seed: int = ..., tree_dtype: DTypeLike = ..., dtype: DTypeLike = ..., ) -> tuple[Tensor, Tensor, Tensor]: ... @overload def tdm_sampler( x: Tensor, neg_samples_num_list: list[int], layer_node_num_list: list[int], leaf_node_num: int, tree_travel_attr: ParamAttrLike | None = ..., tree_layer_attr: ParamAttrLike | None = ..., output_positive: bool = ..., output_list: bool = ..., seed: int = ..., tree_dtype: DTypeLike = ..., dtype: DTypeLike = ..., ) -> ( tuple[Tensor, Tensor, Tensor] | tuple[list[Tensor], list[Tensor], list[Tensor]] ): ... def tdm_sampler( x, neg_samples_num_list, layer_node_num_list, leaf_node_num, tree_travel_attr=None, tree_layer_attr=None, output_positive=True, output_list=True, seed=0, tree_dtype='int32', dtype='int32', ): """ **Tdm Sampler** According to the input positive samples at leaf node(x), do negative sampling layer by layer on the given tree. .. code-block:: text Given: tree[[0], [1, 2], [3, 4], [5, 6]] # A binary tree with seven nodes travel_list = [[1, 3], [1, 4], [2, 5], [2, 6]] # leaf node's travel path (exclude root node) layer_list = [[1, 2], [3, 4, 5, 6]] # two layer (exclude root node) x = [[0], [1], [2], [3]] # Corresponding to leaf node [[3], [4], [5], [6]] neg_samples_num_list = [0, 0] # negative sample nums = 0 layer_node_num_list = [2, 4] leaf_node_num = 4 output_list = False We get: out = [[1, 3], [1, 4], [2, 5], [2, 6]] labels = [[1, 1], [1, 1], [1, 1], [1, 1]] mask = [[1, 1], [1, 1], [1, 1], [1, 1]] Args: x (Tensor): Tensor contained the item_id(corresponding to leaf node) information, dtype support int32/int64. neg_samples_num_list (list(int)): Number of negative samples per layer. layer_node_num_list (list(int)): Number of nodes per layer, must has same shape with neg_samples_num_list. leaf_node_num (int): Number of leaf nodes. tree_travel_attr (ParamAttr|None, optional): To specify the tdm-travel parameter property. Default: None, which means the default weight parameter property is used. See usage for details in :ref:`api_paddle_ParamAttr`, should has shape (leaf_node_num, len(layer_node_num_list)), dtype support int32/int64. tree_layer_attr (ParamAttr|None, optional): To specify the tdm-layer parameter property. Default: None, which means the default weight parameter property is used. See usage for details in :ref:`api_paddle_ParamAttr`, should has shape (node_num, 1), dtype support int32/int64. output_positive (bool, optional): Whether to output positive samples (include label and mask )at the same time. Default: True. output_list (bool, optional): Whether to divide the output into layers and organize it into list format. Default: True. seed (int, optional): The number of random seed. Default: 0. tree_dtype (np.dtype|core.VarDesc.VarType|str, optional): The dtype of tdm-travel and tdm-layer, support int32/int64. Default: int32. dtype (np.dtype|core.VarDesc.VarType|str, optional): The dtype of output(sampling results, labels and masks). Default: int32. Returns: tuple: A tuple including sampling results, corresponding labels and masks. if output_positive = True, sampling result will include both positive and negative samples. If sampling result is a positive sample, the label is 1, and if it is a negative sample, it is 0. If the tree is unbalanced, in order to ensure the consistency of the sampling result shape, the padding sample's mask = 0, the real sample's mask value = 1. If output_list = True, the result will organize into list format specified by layer information. Output Tensor have same type with tdm-travel and tdm-layer parameter(tree_dtype). Examples: .. code-block:: pycon >>> import paddle >>> import numpy as np >>> paddle.enable_static() >>> x = paddle.static.data(name="x", shape=[None, 1], dtype="int32", lod_level=1) >>> travel_list = [[1, 3], [1, 4], [2, 5], [2, 6]] # leaf node's travel path, shape(leaf_node_num, layer_num) >>> layer_list_flat = [[1], [2], [3], [4], [5], [6]] # shape(node_nums, 1) >>> neg_samples_num_list = [0, 0] # negative sample nums = 0 >>> layer_node_num_list = [2, 4] # two layer (exclude root node) >>> leaf_node_num = 4 >>> travel_array = np.array(travel_list) >>> layer_array = np.array(layer_list_flat) >>> sample, label, mask = paddle.incubate.layers.tdm_sampler( ... x, ... neg_samples_num_list, ... layer_node_num_list, ... leaf_node_num, ... tree_travel_attr=paddle.ParamAttr( ... initializer=paddle.nn.initializer.Assign(travel_array), ... ), ... tree_layer_attr=paddle.ParamAttr( ... initializer=paddle.nn.initializer.Assign(layer_array), ... ), ... output_positive=True, ... output_list=True, ... seed=0, ... tree_dtype='int32', ... ) """ helper = LayerHelper("tdm_sampler", **locals()) check_dtype( tree_dtype, 'tree_dtype', ['int32', 'int64'], 'paddle.incubate.layers.tdm_sampler', ) check_dtype( dtype, 'dtype', ['int32', 'int64'], 'paddle.incubate.layers.tdm_sampler' ) c_dtype = convert_nptype_to_datatype_or_vartype(dtype) if len(neg_samples_num_list) != len(layer_node_num_list): raise ValueError( "The shape of negative samples list must match the shape of layers. " f"But received len of neg_samples_num_list: {len(neg_samples_num_list)}," f"and len of layer_node_num_list: {len(layer_node_num_list)}, please check your input." ) assert leaf_node_num is not None, "leaf_node_num should not be None here." layer_nums = 0 node_nums = 0 tree_layer_offset = [0] for layer_idx, layer_node_num in enumerate(layer_node_num_list): layer_nums += 1 node_nums += layer_node_num tree_layer_offset.append(node_nums) if neg_samples_num_list[layer_idx] >= layer_node_num_list[layer_idx]: raise ValueError( "The number of negative samples must be less than the number of nodes " f"in the layer {layer_idx}, But received negative nums {neg_samples_num_list[layer_idx]}, and num of node at layer {layer_idx} " f"is {layer_node_num_list[layer_idx]}, please check your input." ) assert leaf_node_num < node_nums, ( "leaf_node_num must be less than total node nums." ) travel_shape = [leaf_node_num, layer_nums] travel = helper.create_parameter( attr=tree_travel_attr, shape=travel_shape, dtype=tree_dtype, default_initializer=paddle.nn.initializer.Constant(0), ) layer_shape = [node_nums, 1] layer = helper.create_parameter( attr=tree_layer_attr, shape=layer_shape, dtype=tree_dtype, default_initializer=paddle.nn.initializer.Constant(0), ) if in_dynamic_or_pir_mode(): return _C_ops.tdm_sampler( x, travel, layer, output_positive, neg_samples_num_list, tree_layer_offset, seed, c_dtype, ) out = helper.create_variable_for_type_inference(dtype=dtype) out.stop_gradient = True labels = helper.create_variable_for_type_inference(dtype=dtype) labels.stop_gradient = True mask = helper.create_variable_for_type_inference(dtype=dtype) mask.stop_gradient = True helper.append_op( type='tdm_sampler', inputs={"X": x, "Travel": travel, "Layer": layer}, outputs={'Out': out, 'Labels': labels, 'Mask': mask}, attrs={ 'neg_samples_num_list': neg_samples_num_list, 'output_positive': output_positive, 'layer_offset': tree_layer_offset, 'seed': seed, 'dtype': c_dtype, }, ) if output_list: output_list = [] labels_list = [] mask_list = [] start_offset = 0 positive_flag = 1 if not output_positive: positive_flag = 0 for layer_sample_num in neg_samples_num_list: end_offset = start_offset + layer_sample_num + positive_flag layer_samples = paddle.slice( out, axes=[1], starts=[start_offset], ends=[end_offset] ) layer_labels = paddle.slice( labels, axes=[1], starts=[start_offset], ends=[end_offset] ) layer_mask = paddle.slice( mask, axes=[1], starts=[start_offset], ends=[end_offset] ) layer_samples = paddle.reshape( layer_samples, [-1, layer_sample_num + positive_flag, 1] ) layer_samples.stop_gradient = True layer_labels = paddle.reshape( layer_labels, [-1, layer_sample_num + positive_flag, 1] ) layer_labels.stop_gradient = True layer_mask = paddle.reshape( layer_mask, [-1, layer_sample_num + positive_flag, 1] ) layer_mask.stop_gradient = True output_list.append(layer_samples) labels_list.append(layer_labels) mask_list.append(layer_mask) start_offset = end_offset out = output_list labels = labels_list mask = mask_list return (out, labels, mask) def rank_attention( input: Tensor, rank_offset: Tensor, rank_param_shape: list[int], rank_param_attr: ParamAttrLike, max_rank: int = 3, max_size: int = 0, ) -> Tensor: """ **Rank Attention layer** This Op can calculate rank attention between input and rank_param, and rank_param gives the organization of data. Notice: It currently supports GPU device. This Op exists in incubate layers, which means that it is not shown to the public. Args: input (Tensor): Tensor with data type float32, float64. rank_offset (Tensor): Tensor with data type int32. rank_para_shape (list[int]): The shape of rank_param. rank_param_attr (ParamAttr): Attribute initializer of rank_param. max_rank (int, optional): The max rank of input's ranks. Default is 3. max_size (int, optional): The max size of input's ranks. Default is 0. Returns: Tensor: A Tensor with the same data type as input's. Examples: .. code-block:: pycon >>> import paddle >>> paddle.enable_static() >>> input = paddle.static.data(name="input", shape=[None, 2], dtype="float32") >>> rank_offset = paddle.static.data(name="rank_offset", shape=[None, 7], dtype="int32") >>> out = paddle.incubate.layers.rank_attention( ... input=input, ... rank_offset=rank_offset, ... rank_param_shape=[18, 3], ... rank_param_attr=paddle.ParamAttr( ... learning_rate=1.0, ... name="ubm_rank_param.w_0", ... ), ... max_rank=3, ... max_size=0, ... ) """ helper = LayerHelper('rank_attention', **locals()) dtype = helper.input_dtype(input_param_name='input') input_shape = input.shape assert input_shape[1] * max_rank * max_rank == rank_param_shape[0] rank_param = helper.create_parameter( attr=rank_param_attr, shape=rank_param_shape, dtype=dtype ) rank_param.stop_gradient = False output = helper.create_variable_for_type_inference(dtype) input_help = helper.create_variable_for_type_inference( dtype=dtype, stop_gradient=True ) ins_rank = helper.create_variable_for_type_inference( dtype=dtype, stop_gradient=True ) helper.append_op( type="rank_attention", inputs={"X": input, "RankOffset": rank_offset, "RankParam": rank_param}, outputs={"Out": output, "InputHelp": input_help, "InsRank": ins_rank}, attrs={"MaxRank": max_rank, "MaxSize": max_size}, ) return output def batch_fc( input: Tensor, param_size: list[int], param_attr: ParamAttrLike, bias_size: list[int], bias_attr: ParamAttrLike, act: str | None = None, ) -> Tensor: """ **Batch FC layer** This Op can calculate BatchFC. This is similar to matmul op, except that the bias and relu activation layers are added. Notice: It currently supports GPU device. This Op exists in incubate layers, which means that it is not shown to the public. Args: input (Tensor): Tensor with data type float32, float64. param_size (list[int]): The size of w. param_attr (ParamAttr): Attribute initializer of w. bias_size (list[int]): The size of bias. bias_attr (ParamAttr): Attribute initializer of bias. act (str, optional): Activation to be applied to the output of this layer. Default is None. Returns: Tensor: A Tensor with the same data type as input's. Examples: .. code-block:: pycon >>> import paddle >>> paddle.enable_static() >>> input = paddle.static.data(name="input", shape=[16, 2, 3], dtype="float32") >>> out = paddle.incubate.layers.batch_fc( ... input=input, ... param_size=[16, 3, 10], ... param_attr=paddle.ParamAttr( ... learning_rate=1.0, ... name="w_0", ... ), ... bias_size=[16, 10], ... bias_attr=paddle.ParamAttr( ... learning_rate=1.0, ... name="b_0", ... ), ... act="relu", ... ) """ helper = LayerHelper("batch_fc", **locals()) check_type(input, 'input', (Variable), 'batch_fc') input_shape = input.shape assert input_shape[0] == param_size[0] assert input_shape[2] == param_size[1] assert param_size[2] == bias_size[1] assert input_shape[0] == bias_size[0] dtype = helper.input_dtype() check_dtype(dtype, 'input', ['float32', 'float64'], 'batch_fc') w = helper.create_parameter( attr=param_attr, shape=param_size, dtype=dtype, is_bias=False ) b = helper.create_parameter( attr=bias_attr, shape=bias_size, dtype=dtype, is_bias=False ) pre_act = helper.create_variable_for_type_inference(dtype) helper.append_op( type="batch_fc", inputs={"Input": input, "W": w, "Bias": b}, outputs={"Out": pre_act}, ) return helper.append_activation(pre_act) def correlation( x: Tensor, y: Tensor, pad_size: int, kernel_size: int, max_displacement: int, stride1: int, stride2: int, corr_type_multiply: int = 1, ) -> Tensor: """ This operation compute correlation of two tensor. For more information of correlation, please refer to PWC-Net: CNNs for Optical Flow Using Pyramid, Warping, and Cost Volume _ Args: x (Tensor): The input x is 4-D Tensor with shape [N, C, H, W]. The data type is float32 and float64. y (Tensor): The input y is 4-D Tensor with shape [N, C, H, W]. The data type is float32 and float64. pad_size (int): Pad size. The data type is int. max_displacement (int): Max displacement. The data type is int. stride1 (int): stride size of x. The data type is int. stride2 (int): stride size of y. The data type is int. corr_type_multiply (int, optional): The type of multiply. The data type is int. Default: 1. Returns: Tensor: The data type is same as input tensor. Examples: .. code-block:: pycon >>> import paddle >>> paddle.enable_static() >>> x1 = paddle.static.data(name='x1', shape=[2, 3, 4, 5], dtype="float32") >>> x2 = paddle.static.data( ... name='x2', ... shape=[2, 3, 4, 5], ... dtype="float32", ... ) >>> out = paddle.incubate.layers.correlation( ... x1, ... x2, ... pad_size=4, ... kernel_size=1, ... max_displacement=4, ... stride1=1, ... stride2=1, ... ) """ if paddle.in_dynamic_mode(): attrs = ( "pad_size", pad_size, "kernel_size", kernel_size, "max_displacement", max_displacement, "stride1", stride1, "stride2", stride2, "corr_type_multiply", corr_type_multiply, ) output = _legacy_C_ops.correlation(x, y, *attrs) else: helper = LayerHelper("correlation", **locals()) output = helper.create_variable_for_type_inference(dtype=x.dtype) helper.append_op( type="correlation", inputs={"Input1": x, "Input2": y}, attrs={ "pad_size": pad_size, "kernel_size": kernel_size, "max_displacement": max_displacement, "stride1": stride1, "stride2": stride2, "corr_type_multiply": corr_type_multiply, }, outputs={"Output": output}, ) return output def fused_bn_add_act( x: Tensor, y: Tensor, momentum: float | Tensor = 0.9, epsilon: float = 1e-05, param_attr: ParamAttrLike | None = None, bias_attr: ParamAttrLike | None = None, moving_mean_name: str | None = None, moving_variance_name: str | None = None, act: str | None = None, name: str | None = None, ) -> Tensor: r""" This Op performs batch norm on input x, and adds the result to input y. Then it performs activation on the sum. The data format of inputs must be NHWC `[batch, in_height, in_width, in_channels]`. Args: x (Tensor): The rank of input tensor can be 2, 3, 4, 5. The data type is float16. y (Tensor): The rank of input tensor can be 2, 3, 4, 5. The data type is float16. momentum (float|Tensor, optional): The value used for the moving_mean and moving_var computation. This should be a float number or a 0-D Tensor with shape [] and data type as float32. The updated formula is: :math:`moving\_mean = moving\_mean * momentum + new\_mean * (1. - momentum)` :math:`moving\_var = moving\_var * momentum + new\_var * (1. - momentum)` Default is 0.9. epsilon (float, optional): A value added to the denominator for numerical stability. Default is 1e-05. param_attr (ParamAttr|None, optional): The parameter attribute for Parameter `scale` of batch_norm. If it is set to None or one attribute of ParamAttr, batch_norm will create ParamAttr as param_attr, the name of scale can be set in ParamAttr. If the Initializer of the param_attr is not set, the parameter is initialized with Xavier. Default: None. bias_attr (ParamAttr|None, optional): The parameter attribute for the bias of batch_norm. If it is set to None or one attribute of ParamAttr, batch_norm will create ParamAttr as bias_attr, the name of bias can be set in ParamAttr. If the Initializer of the bias_attr is not set, the bias is initialized zero. Default: None. moving_mean_name (str|None, optional): The name of moving_mean which store the global Mean. If it is set to None, batch_norm will save global mean with a random name, otherwise, batch_norm will save global mean with the string. Default: None. moving_variance_name (str|None, optional): The name of the moving_variance which store the global Variance. If it is set to None, batch_norm will save global variance with a random name, otherwise, batch_norm will save global variance with the string. Default: None. act (str|None, optional): Activation type, linear|relu|prelu|... Default: None. name (str:None, optional): For detailed information, please refer to :ref:`api_guide_Name`. Usually name is no need to set and None by default. Default: None. Examples: .. code-block:: pycon >>> # doctest: +REQUIRES(env:GPU) >>> import paddle >>> paddle.enable_static() >>> def build_program(main_program, startup_program): ... with paddle.static.program_guard(main_program, startup_program): ... x = paddle.static.data(name='x', shape=[-1, 1, 28, 28], dtype='float32') ... y = paddle.static.data(name="y", shape=[-1, 1], dtype='int64') ... conv1_1 = paddle.static.nn.conv2d( ... input=x, ... filter_size=3, ... num_filters=32, ... stride=1, ... padding=1, ... act=None, ... bias_attr=False, ... data_format='NHWC', ... ) ... conv1_2 = paddle.static.nn.conv2d( ... input=x, ... filter_size=3, ... num_filters=32, ... stride=1, ... padding=1, ... act=None, ... bias_attr=False, ... data_format='NHWC', ... ) ... bn = paddle.static.nn.batch_norm( ... input=conv1_1, ... act=None, ... data_layout='NHWC', ... ) ... fused_bn_add_act = paddle.incubate.layers.fused_bn_add_act(conv1_2, bn) ... prediction = paddle.static.nn.fc(x=fused_bn_add_act, size=10, activation='softmax') ... loss = paddle.nn.functional.cross_entropy( ... input=prediction, ... label=y, ... reduction='none', ... use_softmax=False, ... ) ... loss = paddle.mean(loss) ... sgd = paddle.optimizer.SGD(learning_rate=0.001) ... sgd = paddle.static.amp.decorate( ... sgd, ... use_dynamic_loss_scaling=True, ... init_loss_scaling=128.0, ... ) ... sgd.minimize(loss) ... ... return x, y, loss >>> iters = 5 >>> batch_size = 16 >>> support_gpu = paddle.is_compiled_with_cuda() >>> if support_gpu: ... main_program = paddle.static.Program() ... startup_program = paddle.static.Program() ... place = paddle.CUDAPlace(0) ... x, y, loss = build_program(main_program, startup_program) ... ... feeder = paddle.DataFeeder(feed_list=[x, y], place=place) ... train_reader = paddle.batch(paddle.dataset.mnist.train(), batch_size=batch_size) """ helper = LayerHelper('fused_bn_add_act', **locals()) check_variable_and_dtype( x, 'input', ['float16', 'float32', 'float64'], 'fused_bn_add_act' ) check_variable_and_dtype( y, 'input', ['float16', 'float32', 'float64'], 'fused_bn_add_act' ) bn_param_dtype = core.VarDesc.VarType.FP32 x_shape = x.shape channel_num = x_shape[-1] param_shape = [channel_num] # create parameter scale = helper.create_parameter( attr=helper.param_attr, shape=param_shape, dtype=bn_param_dtype, default_initializer=paddle.nn.initializer.Constant(1.0), ) bias = helper.create_parameter( attr=helper.bias_attr, shape=param_shape, dtype=bn_param_dtype, is_bias=True, ) mean = helper.create_parameter( attr=ParamAttr( name=moving_mean_name, initializer=paddle.nn.initializer.Constant(0.0), trainable=False, ), shape=param_shape, dtype=bn_param_dtype, ) mean.stop_gradient = True variance = helper.create_parameter( attr=ParamAttr( name=moving_variance_name, initializer=paddle.nn.initializer.Constant(1.0), trainable=False, ), shape=param_shape, dtype=bn_param_dtype, ) variance.stop_gradient = True # create output # mean and mean_out share the same memory mean_out = mean # variance and variance out share the same memory variance_out = variance saved_mean = helper.create_variable_for_type_inference( dtype=bn_param_dtype, stop_gradient=True ) saved_variance = helper.create_variable_for_type_inference( dtype=bn_param_dtype, stop_gradient=True ) reserve_space = helper.create_variable_for_type_inference( dtype=core.VarDesc.VarType.FP16, stop_gradient=True ) batch_norm_out = helper.create_variable_for_type_inference( core.VarDesc.VarType.FP16 ) inputs = { "X": x, "Z": y, "Scale": scale, "Bias": bias, "Mean": mean, "Variance": variance, } attrs = {"epsilon": epsilon, 'momentum': momentum} outputs = { "Y": batch_norm_out, "MeanOut": mean_out, "VarianceOut": variance_out, "SavedMean": saved_mean, "SavedVariance": saved_variance, "ReserveSpace": reserve_space, } helper.append_op( type="fused_bn_add_activation", inputs=inputs, outputs=outputs, attrs=attrs, ) return batch_norm_out def pow2_decay_with_linear_warmup( warmup_steps: float, total_steps: float, base_lr: float, end_lr: float, dtype: DTypeLike = 'float32', name: str | None = None, ) -> Tensor: if paddle.in_dynamic_mode(): raise NotImplementedError( "pow2_decay_with_linear_warmup does not support dygraph mode yet." ) helper = LayerHelper("pow2_decay_with_linear_warmup", **locals()) lr = helper.create_global_variable(persistable=True, dtype=dtype, shape=[1]) helper.set_variable_initializer( lr, paddle.nn.initializer.Constant(value=float(base_lr) / warmup_steps), ) step = helper.create_global_variable( persistable=True, dtype='int64', shape=[1] ) helper.set_variable_initializer( step, paddle.nn.initializer.Constant(value=0) ) assert warmup_steps <= total_steps, ( "warmup_steps cannot be larger than total_steps" ) helper.append_op( type="pow2_decay_with_linear_warmup", inputs={"LearningRate": lr, "Step": step}, outputs={"LearningRateOut": lr, "StepOut": step}, attrs={ "warmup_steps": warmup_steps, "total_steps": total_steps, "base_lr": base_lr, "end_lr": end_lr, }, ) return lr