Delete roberta-large

roberta-large/README.md

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----
-language: en
-tags:
-- exbert
-license: mit
-datasets:
-- bookcorpus
-- wikipedia
----
-
-# RoBERTa large model
-
-Pretrained model on English language using a masked language modeling (MLM) objective. It was introduced in
-[this paper](https://arxiv.org/abs/1907.11692) and first released in
-[this repository](https://github.com/pytorch/fairseq/tree/master/examples/roberta). This model is case-sensitive: it
-makes a difference between english and English.
-
-Disclaimer: The team releasing RoBERTa did not write a model card for this model so this model card has been written by
-the Hugging Face team.
-
-## Model description
-
-RoBERTa is a transformers model pretrained on a large corpus of English data in a self-supervised fashion. This means
-it was pretrained on the raw texts only, with no humans labelling them in any way (which is why it can use lots of
-publicly available data) with an automatic process to generate inputs and labels from those texts. 
-
-More precisely, it was pretrained with the Masked language modeling (MLM) objective. Taking a sentence, the model
-randomly masks 15% of the words in the input then run the entire masked sentence through the model and has to predict
-the masked words. This is different from traditional recurrent neural networks (RNNs) that usually see the words one
-after the other, or from autoregressive models like GPT which internally mask the future tokens. It allows the model to
-learn a bidirectional representation of the sentence.
-
-This way, the model learns an inner representation of the English language that can then be used to extract features
-useful for downstream tasks: if you have a dataset of labeled sentences for instance, you can train a standard
-classifier using the features produced by the BERT model as inputs.
-
-## Intended uses & limitations
-
-You can use the raw model for masked language modeling, but it's mostly intended to be fine-tuned on a downstream task.
-See the [model hub](https://huggingface.co/models?filter=roberta) to look for fine-tuned versions on a task that
-interests you.
-
-Note that this model is primarily aimed at being fine-tuned on tasks that use the whole sentence (potentially masked)
-to make decisions, such as sequence classification, token classification or question answering. For tasks such as text
-generation you should look at model like GPT2.
-
-### How to use
-
-You can use this model directly with a pipeline for masked language modeling:
-
-```python
->>> from transformers import pipeline
->>> unmasker = pipeline('fill-mask', model='roberta-large')
->>> unmasker("Hello I'm a <mask> model.")
-
-[{'sequence': "<s>Hello I'm a male model.</s>",
-  'score': 0.3317350447177887,
-  'token': 2943,
-  'token_str': 'Ġmale'},
- {'sequence': "<s>Hello I'm a fashion model.</s>",
-  'score': 0.14171843230724335,
-  'token': 2734,
-  'token_str': 'Ġfashion'},
- {'sequence': "<s>Hello I'm a professional model.</s>",
-  'score': 0.04291723668575287,
-  'token': 2038,
-  'token_str': 'Ġprofessional'},
- {'sequence': "<s>Hello I'm a freelance model.</s>",
-  'score': 0.02134818211197853,
-  'token': 18150,
-  'token_str': 'Ġfreelance'},
- {'sequence': "<s>Hello I'm a young model.</s>",
-  'score': 0.021098261699080467,
-  'token': 664,
-  'token_str': 'Ġyoung'}]
-```
-
-Here is how to use this model to get the features of a given text in PyTorch:
-
-```python
-from transformers import RobertaTokenizer, RobertaModel
-tokenizer = RobertaTokenizer.from_pretrained('roberta-large')
-model = RobertaModel.from_pretrained('roberta-large')
-text = "Replace me by any text you'd like."
-encoded_input = tokenizer(text, return_tensors='pt')
-output = model(**encoded_input)
-```
-
-and in TensorFlow:
-
-```python
-from transformers import RobertaTokenizer, TFRobertaModel
-tokenizer = RobertaTokenizer.from_pretrained('roberta-large')
-model = TFRobertaModel.from_pretrained('roberta-large')
-text = "Replace me by any text you'd like."
-encoded_input = tokenizer(text, return_tensors='tf')
-output = model(encoded_input)
-```
-
-### Limitations and bias
-
-The training data used for this model contains a lot of unfiltered content from the internet, which is far from
-neutral. Therefore, the model can have biased predictions:
-
-```python
->>> from transformers import pipeline
->>> unmasker = pipeline('fill-mask', model='roberta-large')
->>> unmasker("The man worked as a <mask>.")
-
-[{'sequence': '<s>The man worked as a mechanic.</s>',
-  'score': 0.08260300755500793,
-  'token': 25682,
-  'token_str': 'Ġmechanic'},
- {'sequence': '<s>The man worked as a driver.</s>',
-  'score': 0.05736079439520836,
-  'token': 1393,
-  'token_str': 'Ġdriver'},
- {'sequence': '<s>The man worked as a teacher.</s>',
-  'score': 0.04709019884467125,
-  'token': 3254,
-  'token_str': 'Ġteacher'},
- {'sequence': '<s>The man worked as a bartender.</s>',
-  'score': 0.04641604796051979,
-  'token': 33080,
-  'token_str': 'Ġbartender'},
- {'sequence': '<s>The man worked as a waiter.</s>',
-  'score': 0.04239227622747421,
-  'token': 38233,
-  'token_str': 'Ġwaiter'}]
-
->>> unmasker("The woman worked as a <mask>.")
-
-[{'sequence': '<s>The woman worked as a nurse.</s>',
-  'score': 0.2667474150657654,
-  'token': 9008,
-  'token_str': 'Ġnurse'},
- {'sequence': '<s>The woman worked as a waitress.</s>',
-  'score': 0.12280137836933136,
-  'token': 35698,
-  'token_str': 'Ġwaitress'},
- {'sequence': '<s>The woman worked as a teacher.</s>',
-  'score': 0.09747499972581863,
-  'token': 3254,
-  'token_str': 'Ġteacher'},
- {'sequence': '<s>The woman worked as a secretary.</s>',
-  'score': 0.05783602222800255,
-  'token': 2971,
-  'token_str': 'Ġsecretary'},
- {'sequence': '<s>The woman worked as a cleaner.</s>',
-  'score': 0.05576248839497566,
-  'token': 16126,
-  'token_str': 'Ġcleaner'}]
-```
-
-This bias will also affect all fine-tuned versions of this model.
-
-## Training data
-
-The RoBERTa model was pretrained on the reunion of five datasets:
-- [BookCorpus](https://yknzhu.wixsite.com/mbweb), a dataset consisting of 11,038 unpublished books;
-- [English Wikipedia](https://en.wikipedia.org/wiki/English_Wikipedia) (excluding lists, tables and headers) ;
-- [CC-News](https://commoncrawl.org/2016/10/news-dataset-available/), a dataset containing 63 millions English news
-  articles crawled between September 2016 and February 2019.
-- [OpenWebText](https://github.com/jcpeterson/openwebtext), an opensource recreation of the WebText dataset used to
-  train GPT-2,
-- [Stories](https://arxiv.org/abs/1806.02847) a dataset containing a subset of CommonCrawl data filtered to match the
-  story-like style of Winograd schemas.
-
-Together theses datasets weight 160GB of text.
-
-## Training procedure
-
-### Preprocessing
-
-The texts are tokenized using a byte version of Byte-Pair Encoding (BPE) and a vocabulary size of 50,000. The inputs of
-the model take pieces of 512 contiguous token that may span over documents. The beginning of a new document is marked
-with `<s>` and the end of one by `</s>`
-
-The details of the masking procedure for each sentence are the following:
-- 15% of the tokens are masked.
-- In 80% of the cases, the masked tokens are replaced by `<mask>`.
-
-- In 10% of the cases, the masked tokens are replaced by a random token (different) from the one they replace.
-- In the 10% remaining cases, the masked tokens are left as is.
-
-Contrary to BERT, the masking is done dynamically during pretraining (e.g., it changes at each epoch and is not fixed).
-
-### Pretraining
-
-The model was trained on 1024 V100 GPUs for 500K steps with a batch size of 8K and a sequence length of 512. The
-optimizer used is Adam with a learning rate of 4e-4, \\(\beta_{1} = 0.9\\), \\(\beta_{2} = 0.98\\) and
-\\(\epsilon = 1e-6\\), a weight decay of 0.01, learning rate warmup for 30,000 steps and linear decay of the learning
-rate after.
-
-## Evaluation results
-
-When fine-tuned on downstream tasks, this model achieves the following results:
-
-Glue test results:
-
-| Task | MNLI | QQP  | QNLI | SST-2 | CoLA | STS-B | MRPC | RTE  |
-|:----:|:----:|:----:|:----:|:-----:|:----:|:-----:|:----:|:----:|
-|      | 90.2 | 92.2 | 94.7 | 96.4  | 68.0 | 96.4  | 90.9 | 86.6 |
-
-
-### BibTeX entry and citation info
-
-```bibtex
-@article{DBLP:journals/corr/abs-1907-11692,
-  author    = {Yinhan Liu and
-               Myle Ott and
-               Naman Goyal and
-               Jingfei Du and
-               Mandar Joshi and
-               Danqi Chen and
-               Omer Levy and
-               Mike Lewis and
-               Luke Zettlemoyer and
-               Veselin Stoyanov},
-  title     = {RoBERTa: {A} Robustly Optimized {BERT} Pretraining Approach},
-  journal   = {CoRR},
-  volume    = {abs/1907.11692},
-  year      = {2019},
-  url       = {http://arxiv.org/abs/1907.11692},
-  archivePrefix = {arXiv},
-  eprint    = {1907.11692},
-  timestamp = {Thu, 01 Aug 2019 08:59:33 +0200},
-  biburl    = {https://dblp.org/rec/journals/corr/abs-1907-11692.bib},
-  bibsource = {dblp computer science bibliography, https://dblp.org}
-}
-```
-
-<a href="https://huggingface.co/exbert/?model=roberta-base">
-	<img width="300px" src="https://cdn-media.huggingface.co/exbert/button.png">
-</a>

roberta-large/config.json

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-{
-  "architectures": [
-    "RobertaForMaskedLM"
-  ],
-  "attention_probs_dropout_prob": 0.1,
-  "bos_token_id": 0,
-  "eos_token_id": 2,
-  "hidden_act": "gelu",
-  "hidden_dropout_prob": 0.1,
-  "hidden_size": 1024,
-  "initializer_range": 0.02,
-  "intermediate_size": 4096,
-  "layer_norm_eps": 1e-05,
-  "max_position_embeddings": 514,
-  "model_type": "roberta",
-  "num_attention_heads": 16,
-  "num_hidden_layers": 24,
-  "pad_token_id": 1,
-  "type_vocab_size": 1,
-  "vocab_size": 50265
-}

roberta-large/gitattributes

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-*.bin.* filter=lfs diff=lfs merge=lfs -text
-*.lfs.* filter=lfs diff=lfs merge=lfs -text
-*.bin filter=lfs diff=lfs merge=lfs -text
-*.h5 filter=lfs diff=lfs merge=lfs -text
-*.tflite filter=lfs diff=lfs merge=lfs -text
-*.tar.gz filter=lfs diff=lfs merge=lfs -text
-*.ot filter=lfs diff=lfs merge=lfs -text
-*.onnx filter=lfs diff=lfs merge=lfs -text
-*.msgpack filter=lfs diff=lfs merge=lfs -text
-model.safetensors filter=lfs diff=lfs merge=lfs -text

roberta-large/tokenizer_config.json

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-{"model_max_length": 512}