dataparallel' object has no attribute save_pretrained

OK, here is the answer. AttributeError: 'DataParallel' object has no attribute 'predict' 해결 방안은 다음과 같이 modelê³¼ predict 사이에 .module을 추가 하여 코드를 수정하면 된다. In the forward pass, the … 在 torch 多GPU训练下，存储的是整个模型而不是model.state_dict (), 所以我们在调用model时需要使用model.module方式。. not. " Solution 3. How to Solve Python AttributeError: ‘list’ object has no attribute ‘shape’. News: 27/10/2018: Fix compatibility issues, Add tests, Add travis. I am trying to save the BART Seq2Seq model. 报错如图：. .load_state_dict (. answered Jul 17, 2018 at 9:10. djstrong. Otherwise you could look at the source and mimic the code to achieve the … Please be sure to answer the question.Provide details and share your research! This container parallelizes the application of the given module by splitting the input across the specified devices by chunking in the batch dimension (other objects will be copied once per device). To load one of Google AI's, OpenAI's pre-trained models or a PyTorch saved model (an instance of BertForPreTraining saved with torch.save()), the PyTorch model classes and the tokenizer can be instantiated as. where i is from 0 to N-1. 谢谢. 9 Years Ago. For further reading on AttributeErrors, go to the article: How to Solve Python AttributeError: ‘numpy.ndarray’ object has no attribute ‘append’. Please be sure to answer the question.Provide details and share your research! from django import forms class LalaForm (forms.ModelForm): class Meta: model = Lala. 相比于之前的Dataparallel，新的函数更加优雅，速度更加快（这一点官方文档里有提到），而且不会出现负载不均衡的问题，唯一的小缺点可能就是配置稍微有点小麻烦。. Args: main_tag (string): The parent name for the tags tag_scalar_dict (dict): Key-value pair storing the tag and corresponding values global_step (int): Global step value to record … 91 3. How to Solve Python AttributeError: ‘list’ object has no attribute ‘shape’. CLASS torch.nn.DataParallel (module, device_ids=None, output_device=None, dim=0) 其中包含三个主要的参数：module，device_ids和output_device。. pr_mask = model.module.predict(x_tensor) 9. Which sounds to me (like Dan says) that you're probably running your script using ArcGIS Desktop Python 2.7 not ArcGIS Pro Python 3. RuntimeError: module must have its parameters and buffers on device cuda:0 (device_ids[0]) but found. Hi, I am trying to run my model on multiple GPUs for data parallelism but receiving this error: AttributeError: 'DataParallel' object has no attribute 'fc' I have defined the following pretrained model : def resnet50(num_classes, device): model = models.resnet50(pretrained=True) model = torch.nn.DataParallel(model) for p in … 在一些预训练模型的加载过程中，发现在进行forward的过程中，会碰到dataparallel' object has no attribute的问题。打印model信息，可以看到其为DataParallel对象，即在训练的过程中，采用了分布式训练的方法所得到的预训练模型。而model真正内容则包含在里面。 下面主要介绍一下我的调用过程，我粗略的把他分成三步：. Viewed 12k times 1 I am trying to use a conditional statement to generate a raster with binary values from a raster with probability values (floating point raster). 将workbook1.save (workbook1)改写为workbook1.save (excel)即可。. If you are a member, please kindly clap. DataParallel¶ class torch.nn. Click to share on Facebook (Opens in new window) Click to share on Reddit (Opens in new window) Click to share on Pinterest (Opens in new window) shean1488-3 Light Poster . Parameters AttributeError: 'DataParallel' object has no attribute 'copy' 或者. As you could notice, we are using the loop module to parse the register.results and accessing the stderr of the register as item.stderr As we have a loop with the register, we will the stderr of each item.. The lifecycle_events attribute is persisted across object’s save() and load() operations. 我做的一个解决方法是： self.model = model # Since if the model is wrapped by the `DataParallel` class, you won't be able to access its attributes # unless you write `model.module` which breaks the code compatibility. The output will clarify the same. When I tried to fine tuning my resnet module, and run the following code: AttributeError: ‘DataParallel’ object has no attribute ‘fc’. The url named PaketAc works, but the url named imajAl does not work. how expensive is to apply a pretrained model in pytorch. The python variable should be checked for the list. AttributeError: 'DataParallel' object has no attribute 'predict' 해결 방안은 다음과 같이 modelê³¼ predict 사이에 .module을 추가 하여 코드를 수정하면 된다. Need to load a pretrained model, such as VGG 16 in Pytorch. In order to get actual values you have to read the data and target content itself.. Note*: If you want to access the stdout (or) … 【问题标题】：“DataParallel”对象没有属性“init_hidden”(‘DataParallel’ object has no attribute ‘init_hidden’) 【发布时间】：2018-10-30 16:56:48 【问题描述】： 我想做的是在我的自定义 RNN 类中使用 DataParallel。 AttributeError: ‘DataParallel’ object has no … Calls to add_lifecycle_event() will not record events into self.lifecycle_events then. model = BERT_CLASS. 导入 与 参数 ———————-. Asking for help, clarification, or responding to other answers. AttributeError: 'LogisticRegression' object has no attribute 'input' Sorry about the confusion. 原因分析：AttributeError: ‘DataParallel‘ object has no attribute ‘save‘. This container parallelizes the application of the given module by splitting the input across the specified devices by chunking in the batch dimension (other objects will be copied once per device). AttributeError: 'model' object has no attribute 'copy' 或者. To use DistributedDataParallel on a host with N GPUs, you should spawn up N processes, ensuring that each process exclusively works on a single GPU from 0 to N-1. AttributeError: 'int' object has no attribute 'save' Ask Question Asked 8 years ago. 这时候我们可以用下面的方式载入模型，先建立模型，然后加载 … I am trying to save the BART Seq2Seq model. 我不明白我的编码有什么问题!我得到了这个错误:AttributeError:“list”对象没有属性“split”。 This is my code: 这是我的代码: myList = ['hello'] myList.split() 2 个解决方案 arcpy is your module object and python is telling you it has no "mp" attribute. ¯åšï¼Œæœ€åŽåŽŸæ¥æ˜¯çœŸçš„因为引用库的顺序错了才出现这个异常。. AttributeError: 'AddAskForm' object has no attribute 'save' 287 1 1. SentimentClassifier object has no attribute 'save_pretrained' which is correct but I also want to know how can I save that model with my trained weights just like the base model so that I can Import it in few lines and use it. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. 查阅pytorch官网的nn.DataParrallel相关资料，首先我们来看下其定义如下：. So I'm trying to create a database and store data, that I get from django forms. how to solve cv2.face_LBPHFaceRecognizer object has no attribute 'load' ? But avoid …. Click to share on Facebook (Opens in new window) Click to share on Reddit (Opens in new window) Click to share on Pinterest (Opens in new window) You can switch to the H5 format by: Passing save_format='h5' to save (). Forms don't have a save() method.. You need to use a ModelForm as that will then have a model associated with it and will know what to save where.. Alternatively you can keep your forms.Form but you'll want to then extract the valid data from the for and do as you will with eh data.. if request.method == "POST": search_form = AdvancedSearchForm(request.POST, … 模型 (参数)和数据不在相同设备上 我使用 torch.nn.DataParallel 进行多GPU训练时出现了一个BUG，困扰了我许久：. Models The base classes PreTrainedModel, TFPreTrainedModel, and FlaxPreTrainedModel implement the common methods for loading/saving a model either from a local file or directory, or from a pretrained model configuration provided by the library (downloaded from HuggingFace’s AWS S3 repository).. PreTrainedModel and TFPreTrainedModel also implement a few methods … Hi, from_pretrained appeared in an older version of the library. AttributeError: ‘DataParallel’ object has no attribute ‘items’ I am basically converting Pytorch models to Keras. pytorch loading model. 在使用上述修改方法后，代码如下所示：. thanks. Thanks. 所以如果'list'对象没有'strip'或'split'属性，我如何分割列表? It might be unintentional, but you called show on a data frame, which returns a None object, and then you try to use df2 as data frame, but it’s actually None. Ask Question Asked 1 year, 11 months ago. thanks. AttributeError: 'model' object has no attribute 'copy' 或者. 首先这是一个很简单的 运行时错误 ：. AttributeError: 'str' object has no attribute 'save' 778 0 2. Here is the code for the same. On the other hand, torch.save(model, filepath) saves the model object itself, but keep in mind the model doesn't have the optimizer's state_dict. from_pretrained … Here is the code for the same. How to fix it? Need to load a pretrained model, such as VGG 16 in Pytorch. 我们将在下面更详细地探讨它。. In order to get actual values you have to read the data and target content itself.. The recommended format is SavedModel. This example does not provide any special use case, but I guess this should. Modified 7 years, 10 months ago. LBPHF. attribute 'url'. Need to load a pretrained model, such as VGG 16 in Pytorch. AttributeError: 'DataParallel' object has no attribute 'copy' 或者. This can be done by either setting CUDA_VISIBLE_DEVICES for every process or by calling: >>> torch.cuda.set_device(i) Copy to clipboard. AttributeError: 'DataParallel' object has no attribute 'copy' 或者. The model.parameters() is just the generator object. For further reading on AttributeErrors involving the list object, go to the articles: How to Solve Python AttributeError: ‘list’ object has no attribute ‘split’. AttributeError: 'list' object has no attribute 'strip' So if 'list' object has no attribute 'strip' or 'split', how can I split a list? To load one of Google AI's, OpenAI's pre-trained models or a PyTorch saved model (an instance of BertForPreTraining saved with torch.save()), the PyTorch model classes and the tokenizer can be instantiated as. where i is from 0 to N-1. @AaronLeong Notably, if you use 'DataParallel', the model will be wrapped in DataParallel (). It means you need to change the model.function () to model.module.function () in the following codes. load_iris(), by default return an object which holds data, target and other members in it. Otherwise, take the alternative path and ignore the append () attribute. エラーの内容. News: 27/10/2018: Fix compatibility issues, Add tests, Add travis. PS：excel还是要传，重新打开表格，不能用self.workbook，奇怪的知识。. Improve this answer. Solution: Just remove show method from your expression, and if you need to show a data frame in the middle, call it on a standalone line without chaining with other expressions: ±åº¦å­¦ä¹  发表评论. Stack Exchange Network Stack Exchange network consists of 180 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Have a question about this project? From Python 3 onwards, all the strings are in Unicode objects, and hence we cannot use the decode() attribute on the str object directly.. Let us understand what is encoding and decoding in Python. tf.keras.models.load_model () There are two formats you can use to save an entire model to disk: the TensorFlow SavedModel format, and the older Keras H5 format . You can either add a nn.DataParallel temporarily in your network for loading purposes, or you can load the weights file, create a new ordered dict without the module prefix, and load it back. The main part is run_nnet.py. This … ±åº¦å­¦ä¹  发表评论. Whereas … AttributeError: 'DataParallel' object has no attribute 'copy' 或者. How to fix it? AttributeError: 'dict' object has no attribute 'encode'. 91 3. I get this error: AttributeError: 'list' object has no attribute 'split. pr_mask = model.module.predict(x_tensor) DataParallel¶ class torch.nn. You probably saved the model using nn.DataParallel, which stores the model in module, and now you are trying to load it without DataParallel. model = BERT_CLASS. Django problem : "'tuple' object has no attribute 'save'" Home. 7 个解决方案 Pretrained models for Pytorch (Work in progress) The goal of this repo is: to help to reproduce research papers results (transfer learning setups for instance), to access pretrained ConvNets with a unique interface/API inspired by torchvision. Copy link SachinKalsi commented Jul 26, 2021. In other words, we will see the stderr of both java commands executed on both machines. Thanks for contributing an answer to Data Science Stack Exchange! 检查一下拼写!ä½  可以使用内建函数 dir 来列出存在的属性 。. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Whereas … load pytorch model and predict key 0. load weights into a pytorch model. model.save_weightsのデフォルトの形式は TensorFlow Checkpoint です。保存形式を指定する方法は 2 つあります。 save_format引数：値をsave_format = "tf"またはsave_format = "h5"に設定する。 path引数：パスが.h5または.hdf5で終わる場合、HDF5 形式が使用されます。 Generally, check the type of object you are using before you call the lower() method. Loading Google AI or OpenAI pre-trained weights or PyTorch dump. 您可以通过 Keras API 将这些片段一次性保存到磁盘，或仅选择性地保存其中一些片段：. self.model.load_state_dict(checkpoint['model'].module.state_dict()) actually works and the reason it was failing earlier was that, I instantiated the models differently (assuming the use_se to be false as it was in the original training script) and thus the keys would differ. Reply. You can switch to the H5 format by: Passing save_format='h5' to save (). Simply finding … AttributeError: 'BertModel' object has no attribute 'save_pretrained' The text was updated successfully, but these errors were encountered: Copy link Member LysandreJik commented Feb 18, 2020. 一组损失和指标（通过编译模型或通过调用 add_loss () 或 add_metric () 来定义）。. [closed] edit. ²ç»è¢«å°è£…进类似Distributed DataParallel 的类里，此model非平常使用的model，所以导致调用原始model的函数时会出现 object has no attribute “ xxxx ”的bug。 model = Net () model.fc model_parallel = nn.DataParallel (model) model_parallel.module.fc. Encoding – It is a process of converting str to a bytes object Decoding – It is a process of converting bytes object to str So if you encounter AttributeError: ‘str’ object has no … 错误分析：. Implements data parallelism at the module level. def add_scalars (self, main_tag, tag_scalar_dict, global_step = None, walltime = None): "" "Adds many scalar data to summary. News: 27/10/2018: Fix compatibility issues, Add tests, Add travis. model = BERT_CLASS. where i is from 0 to N-1. loading pretrained model pytorch. Hi, from_pretrained appeared in an older version of the library. You will need the torch, torchvision and torchvision.models modules.. Loading Google AI or OpenAI pre-trained weights or PyTorch dump. If you are a member, please kindly clap. Because, when wrapping up your model with DistributedDataParallel, the constructor of DistributedDataParallel will register the additional gradient reduction functions on all the parameters of the model itself at the time of construction. RuntimeError: module must have its parameters and buffers on device cuda:0 (device_ids[0]) but found. Asking for help, clarification, or responding to other answers. To concatenate a string with another string, you use the concatenation operator (+). You might be able to call the method on your model_dm.wv object instead, but I'm not sure. AttributeError: 'DataParallel' object has no attribute 'train_model' The text was updated successfully, but these errors were encountered: Copy link Owner jytime commented Sep 22, 2018 @AaronLeong Notably, if you use 'DataParallel', the model will be wrapped in DataParallel(). The recommended format is SavedModel. pytorch pretrained bert. 1.初始化. 将所有内容以 TensorFlow SavedModel 格式（或较早的 Keras H5 格式）保存到单个归档。. Also don't try to save torch.save(model.parameters(), filepath). Since the for loop on the tutanaklar.html page creates a slug to the model named DosyaBilgileri, the url named imajAlma does not work. recognizer. Copy link SachinKalsi commented Jul 26, 2021. Go to the online courses page on Python to learn more about coding in Python for data science and machine learning. 在 pytorch 多GPU训练下，存储 整个模型 （ 而不是model.state_dict () ）后再调用模型可能会遇到下面的情况：. Thanks for your help! Show activity on this post. When using DataParallel your original module will be in attribute module of the parallel module: Show activity on this post. answered Jul 17, 2018 at 9:10. djstrong. A recent refactor made Doc2Vec no longer share a superclass with this method. self.model.load_state_dict(checkpoint['model'].module.state_dict()) actually works and the reason it was failing earlier was that, I instantiated the models differently (assuming the use_se to be false as it was in the original training script) and thus the keys would differ. Each derived config class implements model specific attributes. 9. AttributeError: ' ArcGISProject ' object has no attribute ' defaultGeodatabase ' ". AttributeError: 'model' object has no attribute 'copy' 或者. I don't understand what the problem is with my coding! 误将 writer.add_scalar写成 writer.add_scalars,这是两个不同的函数. The example below will show how to check the type … from_pretrained … Simply finding … Pandas 'DataFrame' object has no attribute 'write' when trying to save it locally in Parquet file. The base class PretrainedConfig implements the common methods for loading/saving a configuration either from a local file or directory, or from a pretrained model configuration provided by the library (downloaded from HuggingFace’s AWS S3 repository). It has no impact on the use of the model, but is useful during debugging and support. AttributeError: ‘DataParallel’ object has no … Many thanks. 1.初始化. But avoid …. When using DataParallel your original module will be in attribute module of the parallel module: for epoch in range (EPOCH_): hidden = decoder.module.init_hidden () Share. if the variable is of type list, then call the append method. AttributeError: ‘DataParallel’ object has no attribute ‘items’ I am basically converting Pytorch models to Keras. Viewed 12k times 1 I am trying to use a conditional statement to generate a raster with binary values from a raster with probability values (floating point raster). Generally, check the type of object you are using before you call the lower() method. tf.keras.models.load_model () There are two formats you can use to save an entire model to disk: the TensorFlow SavedModel format, and the older Keras H5 format . When using DataParallel your original module will be in attribute module of the parallel module: for epoch in range (EPOCH_): hidden = decoder.module.init_hidden () Share. Set self.lifecycle_events = None to disable this behaviour. To use DistributedDataParallel on a host with N GPUs, you should spawn up N processes, ensuring that each process exclusively works on a single GPU from 0 to N-1. 但是，PYTORCH默认只使用一个GPU。. Programming Forum . CLASS torch.nn.DataParallel (module, device_ids=None, output_device=None, dim=0) 其中包含三个主要的参数：module，device_ids和output_device。. I have three models and all three of them are interconnected. 运行python程序出现：AttributeError: 'list' object has no attribute 'item'。 这里主要是指找不到某个参数，查看python的包：pip list，查看marshmallow的版本，我这里是因为版本太低，是2.18.0，重新下载pip installmarshmallow==3.7.0，然后问题解决。marshmallow是用作序列化的包，版本太低可能导致有些序列化不正确。 ... please use read/write OR save/load consistantly (both write different files) berak ... AttributeError: module 'cv2' has no attribute 'face_LBPHFaceRecognizer' I am using python 3.6 and opencv_3.4.3. Thanks for contributing an answer to Data Science Stack Exchange! torch.nn.modules.module.ModuleAttributeError: 'Model' object has no attribute '_non_persistent_buffers_set' python에서 pytorch 라이브러리를 이용해 딥러닝 모델을 만들고 해당 모델을 돌릴 때 발생.. Software Development Forum . model = Net () model.fc model_parallel = nn.DataParallel (model) model_parallel.module.fc. Loading Google AI or OpenAI pre-trained weights or PyTorch dump. How to Solve Python AttributeError: ‘list’ object has no attribute ‘strip’ How to Solve Python AttributeError: ‘_csv.reader’ object has no attribute ‘next’ To learn more about Python for data science and machine learning, go to the online courses page on Python for the most comprehensive courses available. Go to the online courses page on Python to learn more about coding in Python for data science and machine learning. tf.keras.models.load_model () There are two formats you can use to save an entire model to disk: the TensorFlow SavedModel format, and the older Keras H5 format . How to Solve Python AttributeError: ‘list’ object has no attribute ‘strip’ How to Solve Python AttributeError: ‘_csv.reader’ object has no attribute ‘next’ To learn more about Python for data science and machine learning, go to the online courses page on Python for the most comprehensive courses available. always provide the same behavior no matter what the setting of 'UPLOADED_FILES_USE_URL': False|True. Pretrained models for Pytorch (Work in progress) The goal of this repo is: to help to reproduce research papers results (transfer learning setups for instance), to access pretrained ConvNets with a unique interface/API inspired by torchvision. 原因分析：AttributeError: ‘DataParallel‘ object has no attribute ‘save‘. How to Solve Python AttributeError: ‘list’ object has no attribute ‘shape’. 在一些预训练模型的加载过程中，发现在进行forward的过程中，会碰到dataparallel' object has no attribute的问题。打印model信息，可以看到其为DataParallel对象，即在训练的过程中，采用了分布式训练的方法所得到的预训练模型。而model真正内容则包含在里面。 The first thing we need to do is transfer the parameters of our PyTorch model into its equivalent in Keras. To load one of Google AI's, OpenAI's pre-trained models or a PyTorch saved model (an instance of BertForPreTraining saved with torch.save()), the PyTorch model classes and the tokenizer can be instantiated as. RuntimeError: module must have its parameters and buffers on device cuda:0 (device_ids[0]) but found. "sklearn.datasets" is a scikit package, where it contains a method load_iris(). 下面主要介绍一下我的调用过程，我粗略的把他分成三步：. It is the default when you use model.save (). If you are a member, please kindly clap. You will need the torch, torchvision and torchvision.models modules.. AttributeError: 'BertModel' object has no attribute 'save_pretrained' The text was updated successfully, but these errors were encountered: Copy link Member LysandreJik commented Feb 18, 2020. Modified 7 years, 10 months ago. InMemoryUploadedFile raises FileField 'InMemoryUploadedFile' object has no. For further reading on AttributeErrors involving the list object, go to the articles: How to Solve Python AttributeError: ‘list’ object has no attribute ‘split’. I am creating a pipeline of custom transformers and get this error: AttributeError: 'numpy.ndarray' object has no attribute 'fit'. 在一些预训练模型的加载过程中，发现在进行forward的过程中，会碰到dataparallel' object has no attribute的问题。打印model信息，可以看到其为DataParallel对象，即在训练的过程中，采用了分布式训练的方法所得到的预训练模型。而model真正内容则包含在里面。 Python で「 AttributeError: module ‘xxx’ has no attribute ‘new’ 」とエラーになる時の原因と対処についてです。. When I tried to fine tuning my resnet module, and run the following code: AttributeError: ‘DataParallel’ object has no attribute ‘fc’. 在使用上述修改方法后，代码如下所示：. You probably saved the model using nn.DataParallel, which stores the model in module, and now you are trying to load it without DataParallel. AttributeError: 'DataParallel' object has no attribute 'copy' 或者 RuntimeError: module must have its parameters and buffers on device cuda:0 (device_ids[0]) but found 你尝试访问一个不存在的属性或方法。. Have a question about this project? It might be unintentional, but you called show on a data frame, which returns a None object, and then you try to use df2 as data frame, but it’s actually None. ²è¢«è½¬æ¢æˆäº†ä¸€ä¸ªåˆ—表，可用pd.Series再转换成一维数组结构，就可用values属性。. I am a beginner. For further reading on AttributeErrors involving the list object, go to the articles: How to Solve Python AttributeError: ‘list’ object has no attribute ‘split’. 你可以轻松地在多个GPU上运行您的操作，方法是让你的模型使用 DataParallel 并行运行: model = nn.DataParallel (model) 这是本教程的核心。. 这时候我们可以用下面的方式载入模型，先建立模型，然后加载参数。 Configuration. The recommended format is SavedModel. only thing I … LP. 官方的解释如下：. 前回の記事のコードを試していると、エラーが発生。 ⇒ [Sy] HMAC-SHA-256 を計算するサンプル（Python） 运行python程序出现：AttributeError: 'list' object has no attribute 'item'。 这里主要是指找不到某个参数，查看python的包：pip list，查看marshmallow的版本，我这里是因为版本太低，是2.18.0，重新下载pip installmarshmallow==3.7.0，然后问题解决。marshmallow是用作序列化的包，版本太低可能导致有些序列化不正确。 Use this simple code snippet. 解决方法：. AttributeError: 'DataParallel' object has no attribute 'copy' 或者 RuntimeError: module must have its parameters and buffers on device cuda:0 (device_ids[0]) but found How to Solve Python AttributeError: ‘list’ object has no attribute ‘strip’ How to Solve Python AttributeError: ‘_csv.reader’ object has no attribute ‘next’ To learn more about Python for data science and machine learning, go to the online courses page on Python for the most comprehensive courses available. 例えば「AttributeError: ‘str’ object has no attribute ‘sort’」というエラーが発生したとします。このエラーが指しているのは、「str型にはsort関数が定義されていません」ということです。 エラーのサンプルコード1（関数） check whether model match the state dictionary pytorch. AttributeError: 'DataParallel' object has no attribute 'train_model' The text was updated successfully, but these errors were encountered: Copy link Owner jytime commented Sep 22, 2018 @AaronLeong Notably, if you use 'DataParallel', the model will be wrapped in DataParallel(). 例えば「AttributeError: ‘str’ object has no attribute ‘sort’」というエラーが発生したとします。このエラーが指しているのは、「str型にはsort関数が定義されていません」ということです。 エラーのサンプルコード1（関数） This can be done by either setting CUDA_VISIBLE_DEVICES for every process or by calling: >>> torch.cuda.set_device(i) Copy to clipboard. It is the default when you use model.save (). 在一些预训练模型的加载过程中，发现在进行forward的过程中，会碰到dataparallel' object has no attribute的问题。打印model信息，可以看到其为DataParallel对象，即在训练的过程中，采用了分布式训练的方法所得到的预训练模型。而model真正内容则包含在里面。 DataParallel (module, device_ids = None, output_device = None, dim = 0) [source] ¶. For further reading on AttributeErrors, go to the article: How to Solve Python AttributeError: ‘numpy.ndarray’ object has no attribute ‘append’. 这时候我们可以用下面的方式载入模型，先建立模型，然后加载参数。 关于nn.DataParallel(以下简称DP)和DistributedDataParallel(以下简称DDP)的区别： DDP通过多进程实现的。也就是说操作系统会为每个GPU创建一个进程,从而避免了Python解释器GIL带来的性能开销。而DataParallel()是通过单进程控制多线程来实现的。 To use DistributedDataParallel on a host with N GPUs, you should spawn up N processes, ensuring that each process exclusively works on a single GPU from 0 to N-1. Use this simple code snippet. 2 comments Comments. 相比于之前的Dataparallel，新的函数更加优雅，速度更加快（这一点官方文档里有提到），而且不会出现负载不均衡的问题，唯一的小缺点可能就是配置稍微有点小麻烦。.

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