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73 lines
2.9 KiB
Markdown
73 lines
2.9 KiB
Markdown
<!--Copyright 2023 The HuggingFace Team. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
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an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
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specific language governing permissions and limitations under the License.
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⚠️ Note that this file is in Markdown but contain specific syntax for our doc-builder (similar to MDX) that may not be
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*This model was contributed to Hugging Face Transformers on 2023-07-25.*
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# MPT
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## Overview
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The MPT model was proposed by the [MosaicML](https://www.mosaicml.com/) team and released with multiple sizes and finetuned variants. The MPT models are a series of open source and commercially usable LLMs pre-trained on 1T tokens.
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MPT models are GPT-style decoder-only transformers with several improvements: performance-optimized layer implementations, architecture changes that provide greater training stability, and the elimination of context length limits by replacing positional embeddings with ALiBi.
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- MPT base: MPT base pre-trained models on next token prediction
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- MPT instruct: MPT base models fine-tuned on instruction based tasks
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- MPT storywriter: MPT base models fine-tuned for 2500 steps on 65k-token excerpts of fiction books contained in the books3 corpus, this enables the model to handle very long sequences
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The original code is available at the [`llm-foundry`](https://github.com/mosaicml/llm-foundry/tree/main) repository.
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Read more about it [in the release blogpost](https://www.mosaicml.com/blog/mpt-7b)
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## Usage tips
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- Learn more about some techniques behind training of the model [in this section of llm-foundry repository](https://github.com/mosaicml/llm-foundry/blob/main/TUTORIAL.md#faqs)
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- If you want to use the advanced version of the model (triton kernels, direct flash attention integration), you can still use the original model implementation by adding `trust_remote_code=True` when calling `from_pretrained`.
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## Resources
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- [Fine-tuning Notebook](https://colab.research.google.com/drive/1HCpQkLL7UXW8xJUJJ29X7QAeNJKO0frZ?usp=sharing) on how to fine-tune MPT-7B on a free Google Colab instance to turn the model into a Chatbot.
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## MptConfig
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[[autodoc]] MptConfig
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- all
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## MptModel
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[[autodoc]] MptModel
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- forward
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## MptForCausalLM
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[[autodoc]] MptForCausalLM
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- forward
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## MptForSequenceClassification
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[[autodoc]] MptForSequenceClassification
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- forward
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## MptForTokenClassification
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[[autodoc]] MptForTokenClassification
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- forward
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## MptForQuestionAnswering
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[[autodoc]] MptForQuestionAnswering
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- forward
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