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VisionTextDualEncoder Overview The [VisionTextDualEncoderModel] can be used to initialize a vision-text dual encoder model with any pretrained vision autoencoding model as the vision encoder (e.g. ViT, BEiT, DeiT) and any pretrained text autoencoding model as the text encoder (e.g. RoBERTa, BERT). Two projection layer...
NLLB-MOE Overview The NLLB model was presented in No Language Left Behind: Scaling Human-Centered Machine Translation by Marta R. Costa-jussà, James Cross, Onur Çelebi, Maha Elbayad, Kenneth Heafield, Kevin Heffernan, Elahe Kalbassi, Janice Lam, Daniel Licht, Jean Maillard, Anna Sun, Skyler Wang, Guillaume Wenzek, Al ...
GPTSAN-japanese Overview The GPTSAN-japanese model was released in the repository by Toshiyuki Sakamoto (tanreinama). GPTSAN is a Japanese language model using Switch Transformer. It has the same structure as the model introduced as Prefix LM in the T5 paper, and support both Text Generation and Masked Language Modeli...
Neighborhood Attention Transformer Overview NAT was proposed in Neighborhood Attention Transformer by Ali Hassani, Steven Walton, Jiachen Li, Shen Li, and Humphrey Shi. It is a hierarchical vision transformer based on Neighborhood Attention, a sliding-window self attention pattern. The abstract from the paper is the f...
ALBERT Overview The ALBERT model was proposed in ALBERT: A Lite BERT for Self-supervised Learning of Language Representations by Zhenzhong Lan, Mingda Chen, Sebastian Goodman, Kevin Gimpel, Piyush Sharma, Radu Soricut. It presents two parameter-reduction techniques to lower memory consumption and increase the trainin...
ViTDet Overview The ViTDet model was proposed in Exploring Plain Vision Transformer Backbones for Object Detection by Yanghao Li, Hanzi Mao, Ross Girshick, Kaiming He. VitDet leverages the plain Vision Transformer for the task of object detection. The abstract from the paper is the following: We explore the plain, non...
Speech2Text Overview The Speech2Text model was proposed in fairseq S2T: Fast Speech-to-Text Modeling with fairseq by Changhan Wang, Yun Tang, Xutai Ma, Anne Wu, Dmytro Okhonko, Juan Pino. It's a transformer-based seq2seq (encoder-decoder) model designed for end-to-end Automatic Speech Recognition (ASR) and Speech Tran...
Autoformer Overview The Autoformer model was proposed in Autoformer: Decomposition Transformers with Auto-Correlation for Long-Term Series Forecasting by Haixu Wu, Jiehui Xu, Jianmin Wang, Mingsheng Long. This model augments the Transformer as a deep decomposition architecture, which can progressively decompose the tr...
CLIPSeg Overview The CLIPSeg model was proposed in Image Segmentation Using Text and Image Prompts by Timo Lüddecke and Alexander Ecker. CLIPSeg adds a minimal decoder on top of a frozen CLIP model for zero- and one-shot image segmentation. The abstract from the paper is the following: Image segmentation is usually ad...
Conditional DETR Overview The Conditional DETR model was proposed in Conditional DETR for Fast Training Convergence by Depu Meng, Xiaokang Chen, Zejia Fan, Gang Zeng, Houqiang Li, Yuhui Yuan, Lei Sun, Jingdong Wang. Conditional DETR presents a conditional cross-attention mechanism for fast DETR training. Conditional D...
VisualBERT Overview The VisualBERT model was proposed in VisualBERT: A Simple and Performant Baseline for Vision and Language by Liunian Harold Li, Mark Yatskar, Da Yin, Cho-Jui Hsieh, Kai-Wei Chang. VisualBERT is a neural network trained on a variety of (image, text) pairs. The abstract from the paper is the followin...
BigBirdPegasus Overview The BigBird model was proposed in Big Bird: Transformers for Longer Sequences by Zaheer, Manzil and Guruganesh, Guru and Dubey, Kumar Avinava and Ainslie, Joshua and Alberti, Chris and Ontanon, Santiago and Pham, Philip and Ravula, Anirudh and Wang, Qifan and Yang, Li and others. BigBird, is a ...
EfficientNet Overview The EfficientNet model was proposed in EfficientNet: Rethinking Model Scaling for Convolutional Neural Networks by Mingxing Tan and Quoc V. Le. EfficientNets are a family of image classification models, which achieve state-of-the-art accuracy, yet being an order-of-magnitude smaller and faster t...
FLAN-UL2 Overview Flan-UL2 is an encoder decoder model based on the T5 architecture. It uses the same configuration as the UL2 model released earlier last year. It was fine tuned using the "Flan" prompt tuning and dataset collection. Similar to Flan-T5, one can directly use FLAN-UL2 weights without finetuning the mo...
Nougat Overview The Nougat model was proposed in Nougat: Neural Optical Understanding for Academic Documents by Lukas Blecher, Guillem Cucurull, Thomas Scialom, Robert Stojnic. Nougat uses the same architecture as Donut, meaning an image Transformer encoder and an autoregressive text Transformer decoder to translate s...
LLaVa Overview LLaVa is an open-source chatbot trained by fine-tuning LlamA/Vicuna on GPT-generated multimodal instruction-following data. It is an auto-regressive language model, based on the transformer architecture. In other words, it is an multi-modal version of LLMs fine-tuned for chat / instructions. The LLaVa m...
MegatronGPT2 Overview The MegatronGPT2 model was proposed in Megatron-LM: Training Multi-Billion Parameter Language Models Using Model Parallelism by Mohammad Shoeybi, Mostofa Patwary, Raul Puri, Patrick LeGresley, Jared Casper and Bryan Catanzaro. The abstract from the paper is the following: Recent work in language ...
OPT Overview The OPT model was proposed in Open Pre-trained Transformer Language Models by Meta AI. OPT is a series of open-sourced large causal language models which perform similar in performance to GPT3. The abstract from the paper is the following: Large language models, which are often trained for hundreds of tho...
T5v1.1 Overview T5v1.1 was released in the google-research/text-to-text-transfer-transformer repository by Colin Raffel et al. It's an improved version of the original T5 model. This model was contributed by patrickvonplaten. The original code can be found here. Usage tips One can directly plug in the weights of T5v1....
ViTMAE Overview The ViTMAE model was proposed in Masked Autoencoders Are Scalable Vision Learners by Kaiming He, Xinlei Chen, Saining Xie, Yanghao Li, Piotr Dollár, Ross Girshick. The paper shows that, by pre-training a Vision Transformer (ViT) to reconstruct pixel values for masked patches, one can get results after ...
I-BERT Overview The I-BERT model was proposed in I-BERT: Integer-only BERT Quantization by Sehoon Kim, Amir Gholami, Zhewei Yao, Michael W. Mahoney and Kurt Keutzer. It's a quantized version of RoBERTa running inference up to four times faster. The abstract from the paper is the following: Transformer based models, li...
Decision Transformer Overview The Decision Transformer model was proposed in Decision Transformer: Reinforcement Learning via Sequence Modeling by Lili Chen, Kevin Lu, Aravind Rajeswaran, Kimin Lee, Aditya Grover, Michael Laskin, Pieter Abbeel, Aravind Srinivas, Igor Mordatch. The abstract from the paper is the follow...
Pegasus Overview The Pegasus model was proposed in PEGASUS: Pre-training with Extracted Gap-sentences for Abstractive Summarization by Jingqing Zhang, Yao Zhao, Mohammad Saleh and Peter J. Liu on Dec 18, 2019. According to the abstract, Pegasus' pretraining task is intentionally similar to summarization: important s...
PoolFormer Overview The PoolFormer model was proposed in MetaFormer is Actually What You Need for Vision by Sea AI Labs. Instead of designing complicated token mixer to achieve SOTA performance, the target of this work is to demonstrate the competence of transformer models largely stem from the general architecture M...
YOSO Overview The YOSO model was proposed in You Only Sample (Almost) Once: Linear Cost Self-Attention Via Bernoulli Sampling by Zhanpeng Zeng, Yunyang Xiong, Sathya N. Ravi, Shailesh Acharya, Glenn Fung, Vikas Singh. YOSO approximates standard softmax self-attention via a Bernoulli sampling scheme based on Locality S...
Trajectory Transformer This model is in maintenance mode only, so we won't accept any new PRs changing its code. If you run into any issues running this model, please reinstall the last version that supported this model: v4.30.0. You can do so by running the following command: pip install -U transformers==4.30.0. Ov...
StableLM Overview StableLM 3B 4E1T was proposed in StableLM 3B 4E1T: Technical Report by Stability AI and is the first model in a series of multi-epoch pre-trained language models. Model Details StableLM 3B 4E1T is a decoder-only base language model pre-trained on 1 trillion tokens of diverse English and code datasets...
BERTweet Overview The BERTweet model was proposed in BERTweet: A pre-trained language model for English Tweets by Dat Quoc Nguyen, Thanh Vu, Anh Tuan Nguyen. The abstract from the paper is the following: We present BERTweet, the first public large-scale pre-trained language model for English Tweets. Our BERTweet, havi...
BridgeTower Overview The BridgeTower model was proposed in BridgeTower: Building Bridges Between Encoders in Vision-Language Representative Learning by Xiao Xu, Chenfei Wu, Shachar Rosenman, Vasudev Lal, Wanxiang Che, Nan Duan. The goal of this model is to build a bridge between each uni-modal encoder and the cross-mo...
BART Overview The Bart model was proposed in BART: Denoising Sequence-to-Sequence Pre-training for Natural Language Generation, Translation, and Comprehension by Mike Lewis, Yinhan Liu, Naman Goyal, Marjan Ghazvininejad, Abdelrahman Mohamed, Omer Levy, Ves Stoyanov and Luke Zettlemoyer on 29 Oct, 2019. According to t...
TAPEX This model is in maintenance mode only, we don't accept any new PRs changing its code. If you run into any issues running this model, please reinstall the last version that supported this model: v4.30.0. You can do so by running the following command: pip install -U transformers==4.30.0. Overview The TAPEX mod...
EfficientFormer Overview The EfficientFormer model was proposed in EfficientFormer: Vision Transformers at MobileNet Speed by Yanyu Li, Geng Yuan, Yang Wen, Eric Hu, Georgios Evangelidis, Sergey Tulyakov, Yanzhi Wang, Jian Ren. EfficientFormer proposes a dimension-consistent pure transformer that can be run on mobil...
MADLAD-400 Overview MADLAD-400 models were released in the paper MADLAD-400: A Multilingual And Document-Level Large Audited Dataset. The abstract from the paper is the following: We introduce MADLAD-400, a manually audited, general domain 3T token monolingual dataset based on CommonCrawl, spanning 419 languages. We...
Mamba Overview The Mamba model was proposed in Mamba: Linear-Time Sequence Modeling with Selective State Spaces by Albert Gu and Tri Dao. This model is a new paradigm architecture based on state-space-models. You can read more about the intuition behind these here. The abstract from the paper is the following: Foundat...
Convolutional Vision Transformer (CvT) Overview The CvT model was proposed in CvT: Introducing Convolutions to Vision Transformers by Haiping Wu, Bin Xiao, Noel Codella, Mengchen Liu, Xiyang Dai, Lu Yuan and Lei Zhang. The Convolutional vision Transformer (CvT) improves the Vision Transformer (ViT) in performance and ...
DINOv2 Overview The DINOv2 model was proposed in DINOv2: Learning Robust Visual Features without Supervision by Maxime Oquab, Timothée Darcet, Théo Moutakanni, Huy Vo, Marc Szafraniec, Vasil Khalidov, Pierre Fernandez, Daniel Haziza, Francisco Massa, Alaaeldin El-Nouby, Mahmoud Assran, Nicolas Ballas, Wojciech Galuba,...
UnivNet Overview The UnivNet model was proposed in UnivNet: A Neural Vocoder with Multi-Resolution Spectrogram Discriminators for High-Fidelity Waveform Generation by Won Jang, Dan Lim, Jaesam Yoon, Bongwan Kin, and Juntae Kim. The UnivNet model is a generative adversarial network (GAN) trained to synthesize high fide...
Jukebox Overview The Jukebox model was proposed in Jukebox: A generative model for music by Prafulla Dhariwal, Heewoo Jun, Christine Payne, Jong Wook Kim, Alec Radford, Ilya Sutskever. It introduces a generative music model which can produce minute long samples that can be conditioned on an artist, genres and lyrics. ...
MusicGen Overview The MusicGen model was proposed in the paper Simple and Controllable Music Generation by Jade Copet, Felix Kreuk, Itai Gat, Tal Remez, David Kant, Gabriel Synnaeve, Yossi Adi and Alexandre Défossez. MusicGen is a single stage auto-regressive Transformer model capable of generating high-quality music ...
Swin Transformer Overview The Swin Transformer was proposed in Swin Transformer: Hierarchical Vision Transformer using Shifted Windows by Ze Liu, Yutong Lin, Yue Cao, Han Hu, Yixuan Wei, Zheng Zhang, Stephen Lin, Baining Guo. The abstract from the paper is the following: This paper presents a new vision Transformer, c...
Perceiver Overview The Perceiver IO model was proposed in Perceiver IO: A General Architecture for Structured Inputs & Outputs by Andrew Jaegle, Sebastian Borgeaud, Jean-Baptiste Alayrac, Carl Doersch, Catalin Ionescu, David Ding, Skanda Koppula, Daniel Zoran, Andrew Brock, Evan Shelhamer, Olivier Hénaff, Matthew M. B...
X-MOD Overview The X-MOD model was proposed in Lifting the Curse of Multilinguality by Pre-training Modular Transformers by Jonas Pfeiffer, Naman Goyal, Xi Lin, Xian Li, James Cross, Sebastian Riedel, and Mikel Artetxe. X-MOD extends multilingual masked language models like XLM-R to include language-specific modular c...
DistilBERT Overview The DistilBERT model was proposed in the blog post Smaller, faster, cheaper, lighter: Introducing DistilBERT, a distilled version of BERT, and the paper DistilBERT, a distilled version of BERT: smaller, faster, cheaper and lighter. DistilBERT is a small, fast, cheap and light Transformer model tra...
OpenAI GPT Overview OpenAI GPT model was proposed in Improving Language Understanding by Generative Pre-Training by Alec Radford, Karthik Narasimhan, Tim Salimans and Ilya Sutskever. It's a causal (unidirectional) transformer pre-trained using language modeling on a large corpus will long range dependencies, the Toro...
LeViT Overview The LeViT model was proposed in LeViT: Introducing Convolutions to Vision Transformers by Ben Graham, Alaaeldin El-Nouby, Hugo Touvron, Pierre Stock, Armand Joulin, Hervé Jégou, Matthijs Douze. LeViT improves the Vision Transformer (ViT) in performance and efficiency by a few architectural differences s...
MobileNet V2 Overview The MobileNet model was proposed in MobileNetV2: Inverted Residuals and Linear Bottlenecks by Mark Sandler, Andrew Howard, Menglong Zhu, Andrey Zhmoginov, Liang-Chieh Chen. The abstract from the paper is the following: In this paper we describe a new mobile architecture, MobileNetV2, that improve...
GPT-J Overview The GPT-J model was released in the kingoflolz/mesh-transformer-jax repository by Ben Wang and Aran Komatsuzaki. It is a GPT-2-like causal language model trained on the Pile dataset. This model was contributed by Stella Biderman. Usage tips To load GPT-J in float32 one would need at least 2x model size...
MobileViT Overview The MobileViT model was proposed in MobileViT: Light-weight, General-purpose, and Mobile-friendly Vision Transformer by Sachin Mehta and Mohammad Rastegari. MobileViT introduces a new layer that replaces local processing in convolutions with global processing using transformers. The abstract from th...
XLM Overview The XLM model was proposed in Cross-lingual Language Model Pretraining by Guillaume Lample, Alexis Conneau. It's a transformer pretrained using one of the following objectives: a causal language modeling (CLM) objective (next token prediction), a masked language modeling (MLM) objective (BERT-like), or ...
LongT5 Overview The LongT5 model was proposed in LongT5: Efficient Text-To-Text Transformer for Long Sequences by Mandy Guo, Joshua Ainslie, David Uthus, Santiago Ontanon, Jianmo Ni, Yun-Hsuan Sung and Yinfei Yang. It's an encoder-decoder transformer pre-trained in a text-to-text denoising generative setting. LongT5 m...
CPM Overview The CPM model was proposed in CPM: A Large-scale Generative Chinese Pre-trained Language Model by Zhengyan Zhang, Xu Han, Hao Zhou, Pei Ke, Yuxian Gu, Deming Ye, Yujia Qin, Yusheng Su, Haozhe Ji, Jian Guan, Fanchao Qi, Xiaozhi Wang, Yanan Zheng, Guoyang Zeng, Huanqi Cao, Shengqi Chen, Daixuan Li, Zhenbo S...
PatchTST Overview The PatchTST model was proposed in A Time Series is Worth 64 Words: Long-term Forecasting with Transformers by Yuqi Nie, Nam H. Nguyen, Phanwadee Sinthong and Jayant Kalagnanam. At a high level the model vectorizes time series into patches of a given size and encodes the resulting sequence of vectors...
Longformer Overview The Longformer model was presented in Longformer: The Long-Document Transformer by Iz Beltagy, Matthew E. Peters, Arman Cohan. The abstract from the paper is the following: Transformer-based models are unable to process long sequences due to their self-attention operation, which scales quadratical...
GroupViT Overview The GroupViT model was proposed in GroupViT: Semantic Segmentation Emerges from Text Supervision by Jiarui Xu, Shalini De Mello, Sifei Liu, Wonmin Byeon, Thomas Breuel, Jan Kautz, Xiaolong Wang. Inspired by CLIP, GroupViT is a vision-language model that can perform zero-shot semantic segmentation on ...
Pix2Struct Overview The Pix2Struct model was proposed in Pix2Struct: Screenshot Parsing as Pretraining for Visual Language Understanding by Kenton Lee, Mandar Joshi, Iulia Turc, Hexiang Hu, Fangyu Liu, Julian Eisenschlos, Urvashi Khandelwal, Peter Shaw, Ming-Wei Chang, Kristina Toutanova. The abstract from the paper i...
Custom Layers and Utilities This page lists all the custom layers used by the library, as well as the utility functions it provides for modeling. Most of those are only useful if you are studying the code of the models in the library. Pytorch custom modules [[autodoc]] pytorch_utils.Conv1D [[autodoc]] modeling_utils.P...
General Utilities This page lists all of Transformers general utility functions that are found in the file utils.py. Most of those are only useful if you are studying the general code in the library. Enums and namedtuples [[autodoc]] utils.ExplicitEnum [[autodoc]] utils.PaddingStrategy [[autodoc]] utils.TensorType Spe...
Utilities for FeatureExtractors This page lists all the utility functions that can be used by the audio [FeatureExtractor] in order to compute special features from a raw audio using common algorithms such as Short Time Fourier Transform or log mel spectrogram. Most of those are only useful if you are studying the cod...
Utilities for Generation This page lists all the utility functions used by [~generation.GenerationMixin.generate]. Generate Outputs The output of [~generation.GenerationMixin.generate] is an instance of a subclass of [~utils.ModelOutput]. This output is a data structure containing all the information returned by [~gen...
Time Series Utilities This page lists all the utility functions and classes that can be used for Time Series based models. Most of those are only useful if you are studying the code of the time series models or you wish to add to the collection of distributional output classes. Distributional Output [[autodoc]] time_s...
Utilities for Tokenizers This page lists all the utility functions used by the tokenizers, mainly the class [~tokenization_utils_base.PreTrainedTokenizerBase] that implements the common methods between [PreTrainedTokenizer] and [PreTrainedTokenizerFast] and the mixin [~tokenization_utils_base.SpecialTokensMixin]. Most...
Utilities for Image Processors This page lists all the utility functions used by the image processors, mainly the functional transformations used to process the images. Most of those are only useful if you are studying the code of the image processors in the library. Image Transformations [[autodoc]] image_transforms....
Utilities for Trainer This page lists all the utility functions used by [Trainer]. Most of those are only useful if you are studying the code of the Trainer in the library. Utilities [[autodoc]] EvalPrediction [[autodoc]] IntervalStrategy [[autodoc]] enable_full_determinism [[autodoc]] set_seed [[autodoc]] torch_distr...
Utilities for pipelines This page lists all the utility functions the library provides for pipelines. Most of those are only useful if you are studying the code of the models in the library. Argument handling [[autodoc]] pipelines.ArgumentHandler [[autodoc]] pipelines.ZeroShotClassificationArgumentHandler [[autodoc]] ...
Agents & Tools Transformers Agents is an experimental API which is subject to change at any time. Results returned by the agents can vary as the APIs or underlying models are prone to change. To learn more about agents and tools make sure to read the introductory guide. This page contains the API docs for the underl...
Feature Extractor A feature extractor is in charge of preparing input features for audio or vision models. This includes feature extraction from sequences, e.g., pre-processing audio files to generate Log-Mel Spectrogram features, feature extraction from images, e.g., cropping image files, but also padding, normalizat...
Generation Each framework has a generate method for text generation implemented in their respective GenerationMixin class: PyTorch [~generation.GenerationMixin.generate] is implemented in [~generation.GenerationMixin]. TensorFlow [~generation.TFGenerationMixin.generate] is implemented in [~generation.TFGenerationMixi...
Tokenizer A tokenizer is in charge of preparing the inputs for a model. The library contains tokenizers for all the models. Most of the tokenizers are available in two flavors: a full python implementation and a "Fast" implementation based on the Rust library 🤗 Tokenizers. The "Fast" implementations allows: a signif...
Optimization The .optimization module provides: an optimizer with weight decay fixed that can be used to fine-tuned models, and several schedules in the form of schedule objects that inherit from _LRSchedule: a gradient accumulation class to accumulate the gradients of multiple batches AdamW (PyTorch) [[autodoc]] Ad...
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] ...
Pipelines The pipelines are a great and easy way to use models for inference. These pipelines are objects that abstract most of the complex code from the library, offering a simple API dedicated to several tasks, including Named Entity Recognition, Masked Language Modeling, Sentiment Analysis, Feature Extraction and Q...
Keras callbacks When training a Transformers model with Keras, there are some library-specific callbacks available to automate common tasks: KerasMetricCallback [[autodoc]] KerasMetricCallback PushToHubCallback [[autodoc]] PushToHubCallback
Model outputs All models have outputs that are instances of subclasses of [~utils.ModelOutput]. Those are data structures containing all the information returned by the model, but that can also be used as tuples or dictionaries. Let's see how this looks in an example: thon from transformers import BertTokenizer, BertF...
Processors Processors can mean two different things in the Transformers library: - the objects that pre-process inputs for multi-modal models such as Wav2Vec2 (speech and text) or CLIP (text and vision) - deprecated objects that were used in older versions of the library to preprocess data for GLUE or SQUAD. Multi-m...
Trainer The [Trainer] class provides an API for feature-complete training in PyTorch, and it supports distributed training on multiple GPUs/TPUs, mixed precision for NVIDIA GPUs, AMD GPUs, and torch.amp for PyTorch. [Trainer] goes hand-in-hand with the [TrainingArguments] class, which offers a wide range of options to...
Data Collator Data collators are objects that will form a batch by using a list of dataset elements as input. These elements are of the same type as the elements of train_dataset or eval_dataset. To be able to build batches, data collators may apply some processing (like padding). Some of them (like [DataCollatorForLa...
DeepSpeed DeepSpeed, powered by Zero Redundancy Optimizer (ZeRO), is an optimization library for training and fitting very large models onto a GPU. It is available in several ZeRO stages, where each stage progressively saves more GPU memory by partitioning the optimizer state, gradients, parameters, and enabling offlo...
Configuration 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). Each derived config class implements model specific...
Logging 🤗 Transformers has a centralized logging system, so that you can setup the verbosity of the library easily. Currently the default verbosity of the library is WARNING. To change the level of verbosity, just use one of the direct setters. For instance, here is how to change the verbosity to the INFO level. thon...
Image Processor An image processor is in charge of preparing input features for vision models and post processing their outputs. This includes transformations such as resizing, normalization, and conversion to PyTorch, TensorFlow, Flax and Numpy tensors. It may also include model specific post-processing such as conve...
Callbacks Callbacks are objects that can customize the behavior of the training loop in the PyTorch [Trainer] (this feature is not yet implemented in TensorFlow) that can inspect the training loop state (for progress reporting, logging on TensorBoard or other ML platforms) and take decisions (like early stopping). Cal...
Backbone A backbone is a model used for feature extraction for higher level computer vision tasks such as object detection and image classification. Transformers provides an [AutoBackbone] class for initializing a Transformers backbone from pretrained model weights, and two utility classes: [~utils.BackboneMixin] ena...
Quantization Quantization techniques reduces memory and computational costs by representing weights and activations with lower-precision data types like 8-bit integers (int8). This enables loading larger models you normally wouldn't be able to fit into memory, and speeding up inference. Transformers supports the AWQ a...
Exporting 🤗 Transformers models to ONNX 🤗 Transformers provides a transformers.onnx package that enables you to convert model checkpoints to an ONNX graph by leveraging configuration objects. See the guide on exporting 🤗 Transformers models for more details. ONNX Configurations We provide three abstract classes tha...