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README.md

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+---
+library_name: transformers
+tags: []
+---
+
+# Model Card for Model ID
+
+<!-- Provide a quick summary of what the model is/does. -->
+
+
+
+## Model Details
+
+### Model Description
+
+<!-- Provide a longer summary of what this model is. -->
+
+This is the model card of a 🤗 transformers model that has been pushed on the Hub. This model card has been automatically generated.
+
+- **Developed by:** [More Information Needed]
+- **Funded by [optional]:** [More Information Needed]
+- **Shared by [optional]:** [More Information Needed]
+- **Model type:** [More Information Needed]
+- **Language(s) (NLP):** [More Information Needed]
+- **License:** [More Information Needed]
+- **Finetuned from model [optional]:** [More Information Needed]
+
+### Model Sources [optional]
+
+<!-- Provide the basic links for the model. -->
+
+- **Repository:** [More Information Needed]
+- **Paper [optional]:** [More Information Needed]
+- **Demo [optional]:** [More Information Needed]
+
+## Uses
+
+<!-- Address questions around how the model is intended to be used, including the foreseeable users of the model and those affected by the model. -->
+
+### Direct Use
+
+<!-- This section is for the model use without fine-tuning or plugging into a larger ecosystem/app. -->
+
+[More Information Needed]
+
+### Downstream Use [optional]
+
+<!-- This section is for the model use when fine-tuned for a task, or when plugged into a larger ecosystem/app -->
+
+[More Information Needed]
+
+### Out-of-Scope Use
+
+<!-- This section addresses misuse, malicious use, and uses that the model will not work well for. -->
+
+[More Information Needed]
+
+## Bias, Risks, and Limitations
+
+<!-- This section is meant to convey both technical and sociotechnical limitations. -->
+
+[More Information Needed]
+
+### Recommendations
+
+<!-- This section is meant to convey recommendations with respect to the bias, risk, and technical limitations. -->
+
+Users (both direct and downstream) should be made aware of the risks, biases and limitations of the model. More information needed for further recommendations.
+
+## How to Get Started with the Model
+
+Use the code below to get started with the model.
+
+[More Information Needed]
+
+## Training Details
+
+### Training Data
+
+<!-- This should link to a Dataset Card, perhaps with a short stub of information on what the training data is all about as well as documentation related to data pre-processing or additional filtering. -->
+
+[More Information Needed]
+
+### Training Procedure
+
+<!-- This relates heavily to the Technical Specifications. Content here should link to that section when it is relevant to the training procedure. -->
+
+#### Preprocessing [optional]
+
+[More Information Needed]
+
+
+#### Training Hyperparameters
+
+- **Training regime:** [More Information Needed] <!--fp32, fp16 mixed precision, bf16 mixed precision, bf16 non-mixed precision, fp16 non-mixed precision, fp8 mixed precision -->
+
+#### Speeds, Sizes, Times [optional]
+
+<!-- This section provides information about throughput, start/end time, checkpoint size if relevant, etc. -->
+
+[More Information Needed]
+
+## Evaluation
+
+<!-- This section describes the evaluation protocols and provides the results. -->
+
+### Testing Data, Factors & Metrics
+
+#### Testing Data
+
+<!-- This should link to a Dataset Card if possible. -->
+
+[More Information Needed]
+
+#### Factors
+
+<!-- These are the things the evaluation is disaggregating by, e.g., subpopulations or domains. -->
+
+[More Information Needed]
+
+#### Metrics
+
+<!-- These are the evaluation metrics being used, ideally with a description of why. -->
+
+[More Information Needed]
+
+### Results
+
+[More Information Needed]
+
+#### Summary
+
+
+
+## Model Examination [optional]
+
+<!-- Relevant interpretability work for the model goes here -->
+
+[More Information Needed]
+
+## Environmental Impact
+
+<!-- Total emissions (in grams of CO2eq) and additional considerations, such as electricity usage, go here. Edit the suggested text below accordingly -->
+
+Carbon emissions can be estimated using the [Machine Learning Impact calculator](https://mlco2.github.io/impact#compute) presented in [Lacoste et al. (2019)](https://arxiv.org/abs/1910.09700).
+
+- **Hardware Type:** [More Information Needed]
+- **Hours used:** [More Information Needed]
+- **Cloud Provider:** [More Information Needed]
+- **Compute Region:** [More Information Needed]
+- **Carbon Emitted:** [More Information Needed]
+
+## Technical Specifications [optional]
+
+### Model Architecture and Objective
+
+[More Information Needed]
+
+### Compute Infrastructure
+
+[More Information Needed]
+
+#### Hardware
+
+[More Information Needed]
+
+#### Software
+
+[More Information Needed]
+
+## Citation [optional]
+
+<!-- If there is a paper or blog post introducing the model, the APA and Bibtex information for that should go in this section. -->
+
+**BibTeX:**
+
+[More Information Needed]
+
+**APA:**
+
+[More Information Needed]
+
+## Glossary [optional]
+
+<!-- If relevant, include terms and calculations in this section that can help readers understand the model or model card. -->
+
+[More Information Needed]
+
+## More Information [optional]
+
+[More Information Needed]
+
+## Model Card Authors [optional]
+
+[More Information Needed]
+
+## Model Card Contact
+
+[More Information Needed]

config.json

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+{
+  "architectures": [
+    "transformerModel"
+  ],
+  "auto_map": {
+    "AutoConfig": "configuration_IQtransformer.transformerConfig",
+    "AutoModelForCausalLM": "modeling_IQtransformer.transformerModel"
+  },
+  "dropout": 0.1,
+  "ffn_num_hiddens": 64,
+  "ffn_num_input": 32,
+  "key_size": 32,
+  "model_type": "IQsignal_transformer",
+  "norm_shape": 32,
+  "num_heads": 4,
+  "num_hiddens": 32,
+  "num_layers": 2,
+  "query_size": 32,
+  "torch_dtype": "float32",
+  "transformers_version": "4.45.2",
+  "value_size": 32,
+  "vocab_size": 32
+}

configuration_IQtransformer.py

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+from transformers import PretrainedConfig
+
+class transformerConfig(PretrainedConfig):
+    model_type = "IQsignal_transformer"
+
+    def __init__(
+        self,
+        vocab_size      : int = 32,
+        key_size        : int = 32,
+        query_size      : int = 32,
+        value_size      : int = 32,
+        num_hiddens     : int = 32,
+        norm_shape      : int = 32,
+        ffn_num_input   : int = 32,
+        ffn_num_hiddens : int = 64,
+        num_heads       : int = 4,
+        num_layers      : int = 2,
+        dropout         : int = 0.1,
+
+        **kwargs,
+    ):
+        self.vocab_size      = vocab_size
+        self.key_size        = key_size
+        self.query_size      = query_size
+        self.value_size      = value_size
+        self.num_hiddens     = num_hiddens
+        self.norm_shape      = norm_shape
+        self.ffn_num_input   = ffn_num_input
+        self.ffn_num_hiddens = ffn_num_hiddens
+        self.num_heads       = num_heads
+        self.num_layers      = num_layers
+        self.dropout         = dropout
+
+        super().__init__(**kwargs)

model.safetensors

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+version https://git-lfs.github.com/spec/v1
+oid sha256:f80269a38e99e9ac23a319b1a548a35ecd51ddb66aadc3b05b5ea85a32179498
+size 79108

modeling_IQtransformer.py

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+from transformers import PreTrainedModel
+import torch
+from torch import nn
+import math
+
+
+class PositionWiseFFN(nn.Module):
+    """基于位置的前馈网络"""
+    def __init__(self, ffn_num_input, ffn_num_hiddens, ffn_num_outputs,
+                 **kwargs):
+        super(PositionWiseFFN, self).__init__(**kwargs)
+        self.dense1 = nn.Linear(ffn_num_input, ffn_num_hiddens)
+        self.relu = nn.ReLU()
+        self.dense2 = nn.Linear(ffn_num_hiddens, ffn_num_outputs)
+
+    def forward(self, X):
+        return self.dense2(self.relu(self.dense1(X)))
+
+
+class AddNorm(nn.Module):
+    """残差连接后进行层规范化"""
+    def __init__(self, normalized_shape, dropout, **kwargs):
+        super(AddNorm, self).__init__(**kwargs)
+        self.dropout = nn.Dropout(dropout)
+        self.ln = nn.LayerNorm(normalized_shape)
+
+    def forward(self, X, Y):
+        return self.ln(self.dropout(Y) + X)
+
+def masked_softmax(X, valid_lens):
+    """通过在最后一个轴上掩蔽元素来执行softmax操作
+
+    Defined in :numref:`sec_attention-scoring-functions`"""
+    # X:3D张量，valid_lens:1D或2D张量
+    if valid_lens is None:
+        return nn.functional.softmax(X, dim=-1)
+    else:
+        shape = X.shape
+        if valid_lens.dim() == 1:
+            valid_lens = torch.repeat_interleave(valid_lens, shape[1])
+        else:
+            valid_lens = valid_lens.reshape(-1)
+        # 最后一轴上被掩蔽的元素使用一个非常大的负值替换，从而其softmax输出为0
+        X = sequence_mask(X.reshape(-1, shape[-1]), valid_lens,
+                              value=-1e6)
+        return nn.functional.softmax(X.reshape(shape), dim=-1)
+
+def transpose_qkv(X, num_heads):
+    """为了多注意力头的并行计算而变换形状
+
+    Defined in :numref:`sec_multihead-attention`"""
+    # 输入X的形状:(batch_size，查询或者“键－值”对的个数，num_hiddens)
+    # 输出X的形状:(batch_size，查询或者“键－值”对的个数，num_heads，
+    # num_hiddens/num_heads)
+    X = X.reshape(X.shape[0], X.shape[1], num_heads, -1)
+
+    # 输出X的形状:(batch_size，num_heads，查询或者“键－值”对的个数,
+    # num_hiddens/num_heads)
+    X = X.permute(0, 2, 1, 3)
+
+    # 最终输出的形状:(batch_size*num_heads,查询或者“键－值”对的个数,
+    # num_hiddens/num_heads)
+    return X.reshape(-1, X.shape[2], X.shape[3])
+
+
+def transpose_output(X, num_heads):
+    """逆转transpose_qkv函数的操作
+
+    Defined in :numref:`sec_multihead-attention`"""
+    X = X.reshape(-1, num_heads, X.shape[1], X.shape[2])
+    X = X.permute(0, 2, 1, 3)
+    return X.reshape(X.shape[0], X.shape[1], -1)
+
+def sequence_mask(X, valid_len, value=0):
+    """在序列中屏蔽不相关的项
+
+    Defined in :numref:`sec_seq2seq_decoder`"""
+    maxlen = X.size(1)
+    mask = torch.arange((maxlen), dtype=torch.float32,
+                        device=X.device)[None, :] < valid_len[:, None]
+    X[~mask] = value
+    return X
+
+class DotProductAttention(nn.Module):
+    """缩放点积注意力
+
+    Defined in :numref:`subsec_additive-attention`"""
+    def __init__(self, dropout, **kwargs):
+        super(DotProductAttention, self).__init__(**kwargs)
+        self.dropout = nn.Dropout(dropout)
+
+    # queries的形状：(batch_size，查询的个数，d)
+    # keys的形状：(batch_size，“键－值”对的个数，d)
+    # values的形状：(batch_size，“键－值”对的个数，值的维度)
+    # valid_lens的形状:(batch_size，)或者(batch_size，查询的个数)
+    def forward(self, queries, keys, values, valid_lens=None):
+        d = queries.shape[-1]
+        # 设置transpose_b=True为了交换keys的最后两个维度
+        scores = torch.bmm(queries, keys.transpose(1,2)) / math.sqrt(d)
+        self.attention_weights = masked_softmax(scores, valid_lens)
+        return torch.bmm(self.dropout(self.attention_weights), values)
+
+class MultiHeadAttention(nn.Module):
+    """多头注意力
+
+    Defined in :numref:`sec_multihead-attention`"""
+    def __init__(self, key_size, query_size, value_size, num_hiddens,
+                 num_heads, dropout, bias=False, **kwargs):
+        super(MultiHeadAttention, self).__init__(**kwargs)
+        self.num_heads = num_heads
+        self.attention = DotProductAttention(dropout)
+        self.W_q = nn.Linear(query_size, num_hiddens, bias=bias)
+        self.W_k = nn.Linear(key_size, num_hiddens, bias=bias)
+        self.W_v = nn.Linear(value_size, num_hiddens, bias=bias)
+        self.W_o = nn.Linear(num_hiddens, num_hiddens, bias=bias)
+
+    def forward(self, queries, keys, values, valid_lens):
+        # queries，keys，values的形状:
+        # (batch_size，查询或者“键－值”对的个数，num_hiddens)
+        # valid_lens　的形状:
+        # (batch_size，)或(batch_size，查询的个数)
+        # 经过变换后，输出的queries，keys，values　的形状:
+        # (batch_size*num_heads，查询或者“键－值”对的个数，
+        # num_hiddens/num_heads)
+        queries = transpose_qkv(self.W_q(queries), self.num_heads)
+        keys = transpose_qkv(self.W_k(keys), self.num_heads)
+        values = transpose_qkv(self.W_v(values), self.num_heads)
+
+        if valid_lens is not None:
+            # 在轴0，将第一项（标量或者矢量）复制num_heads次，
+            # 然后如此复制第二项，然后诸如此类。
+            valid_lens = torch.repeat_interleave(
+                valid_lens, repeats=self.num_heads, dim=0)
+
+        # output的形状:(batch_size*num_heads，查询的个数，
+        # num_hiddens/num_heads)
+        output = self.attention(queries, keys, values, valid_lens)
+
+        # output_concat的形状:(batch_size，查询的个数，num_hiddens)
+        output_concat = transpose_output(output, self.num_heads)
+        return self.W_o(output_concat)
+
+class EncoderBlock(nn.Module):
+    """Transformer编码器块"""
+    def __init__(self, key_size, query_size, value_size, num_hiddens,
+                 norm_shape, ffn_num_input, ffn_num_hiddens, num_heads,
+                 dropout, use_bias=False, **kwargs):
+        super(EncoderBlock, self).__init__(**kwargs)
+        self.attention = MultiHeadAttention(
+            key_size, query_size, value_size, num_hiddens, num_heads, dropout,
+            use_bias)
+        self.addnorm1 = AddNorm(norm_shape, dropout)
+        self.ffn = PositionWiseFFN(
+            ffn_num_input, ffn_num_hiddens, num_hiddens)
+        self.addnorm2 = AddNorm(norm_shape, dropout)
+
+    def forward(self, X, valid_lens):
+        Y = self.addnorm1(X, self.attention(X, X, X, valid_lens))
+        return self.addnorm2(Y, self.ffn(Y))
+
+class Encoder(nn.Module):
+    """编码器-解码器架构的基本编码器接口"""
+    def __init__(self, **kwargs):
+        super(Encoder, self).__init__(**kwargs)
+
+    def forward(self, X, *args):
+        raise NotImplementedError
+
+class transformerModel(PreTrainedModel):
+
+    def __init__(self, config):
+        super().__init__(config)
+
+        self.num_hiddens = config.num_hiddens
+        self.Linear = nn.Linear(config.vocab_size, config.vocab_size)
+        # self.embedding = nn.Embedding(vocab_size, num_hiddens)      # 将输入vocab_size的维度  转化为  想要的num_hiddens维度
+        # self.pos_encoding = d2l.PositionalEncoding(num_hiddens, dropout)
+        self.ln = nn.LayerNorm(config.vocab_size)
+        self.blks = nn.Sequential()
+        for i in range(config.num_layers):
+            self.blks.add_module("block" + str(i),
+                                 EncoderBlock(config.key_size, config.query_size, config.value_size, config.num_hiddens,
+                                              config.norm_shape, config.ffn_num_input, config.ffn_num_hiddens,
+                                              config.num_heads, config.dropout))
+
+        self.l1 = nn.Linear(64, 16)
+        self.l2 = nn.Linear(16, 5)
+
+    def forward(self, X, valid_lens, *args):
+        # 因为位置编码值在-1和1之间，
+        # 因此嵌入值乘以嵌入维度的平方根进行缩放，
+        # 然后再与位置编码相加。
+        X = self.ln(self.Linear(X))
+        self.attention_weights = [None] * len(self.blks)
+        for i, blk in enumerate(self.blks):
+            X = blk(X, valid_lens)
+            self.attention_weights[
+                i] = blk.attention.attention.attention_weights
+
+        X = self.l1(torch.reshape(X, [8, 64]))
+        X = self.l2(X)
+        return X
+
+# class TransformerEncoder(nn.Module):
+#     """Transformer编码器"""
+#     def __init__(self, vocab_size, key_size, query_size, value_size,
+#                  num_hiddens, norm_shape, ffn_num_input, ffn_num_hiddens,
+#                  num_heads, num_layers, dropout, use_bias=False, **kwargs):
+#         super(TransformerEncoder, self).__init__(**kwargs)
+#         self.num_hiddens = num_hiddens
+#         self.Linear = nn.Linear(vocab_size,vocab_size)
+#         # self.embedding = nn.Embedding(vocab_size, num_hiddens)      # 将输入vocab_size的维度  转化为  想要的num_hiddens维度
+#         # self.pos_encoding = d2l.PositionalEncoding(num_hiddens, dropout)
+#         self.ln = nn.LayerNorm(vocab_size)
+#         self.blks = nn.Sequential()
+#         for i in range(num_layers):
+#             self.blks.add_module("block"+str(i),
+#                 EncoderBlock(key_size, query_size, value_size, num_hiddens,
+#                              norm_shape, ffn_num_input, ffn_num_hiddens,
+#                              num_heads, dropout, use_bias))
+#
+#         self.l1 = nn.Linear(64, 16)
+#         self.l2 = nn.Linear(16, 5)
+#
+#     def forward(self, X, valid_lens, *args):
+#         # 因为位置编码值在-1和1之间，
+#         # 因此嵌入值乘以��入维度的平方根进行缩放，
+#         # 然后再与位置编码相加。
+#         X = self.ln(self.Linear(X))
+#         self.attention_weights = [None] * len(self.blks)
+#         for i, blk in enumerate(self.blks):
+#             X = blk(X, valid_lens)
+#             self.attention_weights[
+#                 i] = blk.attention.attention.attention_weights
+#
+#         X = self.l1(torch.reshape(X,[8, 64]))
+#         X = self.l2(X)
+#         return X
+
+
+
+
+