迭代打印model.named_parameters()将会打印每一次迭代元素的名字和param(元素是 torch.nn.parameter.Parameter 类型) for name, param in model.named_parameters(): print(name,param.requires_grad) param.requires_grad=False # 顺便改下属性 model.parameters() [parameters(recurse: bool = True) → Iterator[t...
total_num = sum(p.numel() for p in model.parameters()) # 可训练参数量 trainable_num = sum(p.numel() for p in model.parameters() if p.requires_grad) 查看网络中的参数 可以通过model.state_dict()或者model.named_parameters()函数查看现在的全部可训练参数(包括通过继承得到的父类中的参数) pa...
param_optimizer = list(model.named_parameters()) no_decay = ['bias', 'LayerNorm.bias', 'LayerNorm.weight'] optimizer_grouped_parameters = [ { 'params': [p for n, p in param_optimizer if not any(nd in n for nd in no_decay)], 'weight_decay': 0.01 }, { 'params': [p for n...
Model(name='', env=None)# Model constructor. Parameters: name –Name of new model. Note that name will be stored as an ASCII string. Thus, a name like ‘A→B’ will produce an error, because ‘→‘ can not be represented as an ASCII character. Note also that names that contain spa...
def named_parameters(self, prefix: Optional[str] = None, recursive: bool = True, **kwargs) -> Iterable[Tuple[str, Parameter]]:返回当前模块中key与parameter的键值对的可迭代对象,这里key是从该模块至buffer的点路径(dotted path); def named_tensors(self, prefix: Optional[str] = None, recursive...
def init_hidden (self, batch_size): device = "cpu" weights = next(self.parameters()).data h = (weights.new(self.n_layers, batch_size,\ self.n_hidden).zero_().to(device),\ weights.new(self.n_layers, batch_size,\ self.n_hidden).zero_().to(device)) return h 然后,我们通过创建...
(x) return logitsmodel = NeuralNetwork().to(device)# 损失函数和优化器loss_fn = nn.CrossEntropyLoss()optimizer = torch.optim.SGD(model.parameters(), lr=1e-3)# 模型训练def train(dataloader, model, loss_fn, optimizer): size = len(dataloader.datas...
1.OpenCV库安装 第一步,打开Anaconda程序,并选择已经安装好的“TensorFlow”环境,运行Spyder。 第二步,我们需要在TensorFlow环境中安装opencv-python扩展包,否则会提示错误“ModuleNotFoundError: No module named ‘cv2’”。调用Anaconda Prompt安装即可,如下图所示:...
sys — System-specific parameters and functions — Python 3.8.2 documentation https://docs.python.org/3/library/sys.html#sys.maxsize An integer giving the maximum value a variable of type Py_ssize_t can take. It’s usually 2**31 - 1 on a 32-bit platform and 2**63 - 1 on a 64...
deffunctionname( parameters ):"函数_文档字符串"function_suitereturn[expression] 说明: 函数的名字就是语句块的名称 函数名的命名规则与变量名相同(函数名必须为标识符) 函数有自己的名字空间,在函数外部不可以访问函数内部的变量,在函数内部可以访问函数外部的变量,通常让函数处理外部数据需要用参数给函数传入一些数...