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README.md
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---
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license: apache-2.0
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language:
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- fr
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- it
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- de
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- es
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- en
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inference:
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parameters:
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temperature: 0.5
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widget:
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- messages:
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- role: user
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content: What is your favorite condiment?
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---
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# Model Card for Mixtral-8x22B-Instruct
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The Mixtral-8x22B Large Language Model (LLM) is a pretrained generative Sparse Mixture of Experts.
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For full details of this model please read our [release blog post](https://mistral.ai/news/mixtral-of-experts/).
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## Instruction format
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This format must be strictly respected, otherwise the model will generate sub-optimal outputs.
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The template used to build a prompt for the Instruct model is defined as follows:
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```
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<|im_start|>system
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You are an unbiased, uncensored, helpful assistant.<|im_end|>
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<|im_start|>user
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Hello, Who are you?<|im_end|>
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<|im_start|>assistant
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```
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In the Transformers library, one can use [chat templates](https://huggingface.co/docs/transformers/main/en/chat_templating) which make sure the right format is applied.
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## Run the model
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```python
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from transformers import AutoModelForCausalLM, AutoTokenizer
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model_id = "PawanKrd/Mixtral-8x22B-Instruct-v0.1"
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tokenizer = AutoTokenizer.from_pretrained(model_id)
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model = AutoModelForCausalLM.from_pretrained(model_id, device_map="auto")
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messages = [
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{"role": "user", "content": "What is your favourite condiment?"},
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{"role": "assistant", "content": "Well, I'm quite partial to a good squeeze of fresh lemon juice. It adds just the right amount of zesty flavour to whatever I'm cooking up in the kitchen!"},
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{"role": "user", "content": "Do you have mayonnaise recipes?"}
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]
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inputs = tokenizer.apply_chat_template(messages, return_tensors="pt").to("cuda")
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outputs = model.generate(inputs, max_new_tokens=20)
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print(tokenizer.decode(outputs[0], skip_special_tokens=True))
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```
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By default, transformers will load the model in full precision. Therefore you might be interested to further reduce down the memory requirements to run the model through the optimizations we offer in HF ecosystem:
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### In half-precision
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Note `float16` precision only works on GPU devices
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<details>
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<summary> Click to expand </summary>
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```diff
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+ import torch
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from transformers import AutoModelForCausalLM, AutoTokenizer
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model_id = "PawanKrd/Mixtral-8x22B-Instruct-v0.1"
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tokenizer = AutoTokenizer.from_pretrained(model_id)
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+ model = AutoModelForCausalLM.from_pretrained(model_id, torch_dtype=torch.float16, device_map="auto")
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messages = [
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{"role": "user", "content": "What is your favourite condiment?"},
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{"role": "assistant", "content": "Well, I'm quite partial to a good squeeze of fresh lemon juice. It adds just the right amount of zesty flavour to whatever I'm cooking up in the kitchen!"},
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{"role": "user", "content": "Do you have mayonnaise recipes?"}
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]
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input_ids = tokenizer.apply_chat_template(messages, return_tensors="pt").to("cuda")
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outputs = model.generate(input_ids, max_new_tokens=20)
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print(tokenizer.decode(outputs[0], skip_special_tokens=True))
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```
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</details>
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### Lower precision using (8-bit & 4-bit) using `bitsandbytes`
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<details>
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<summary> Click to expand </summary>
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```diff
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+ import torch
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from transformers import AutoModelForCausalLM, AutoTokenizer
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model_id = "PawanKrd/Mixtral-8x22B-Instruct-v0.1"
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tokenizer = AutoTokenizer.from_pretrained(model_id)
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+ model = AutoModelForCausalLM.from_pretrained(model_id, load_in_4bit=True, device_map="auto")
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text = "Hello my name is"
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messages = [
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{"role": "user", "content": "What is your favourite condiment?"},
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{"role": "assistant", "content": "Well, I'm quite partial to a good squeeze of fresh lemon juice. It adds just the right amount of zesty flavour to whatever I'm cooking up in the kitchen!"},
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{"role": "user", "content": "Do you have mayonnaise recipes?"}
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]
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input_ids = tokenizer.apply_chat_template(messages, return_tensors="pt").to("cuda")
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outputs = model.generate(input_ids, max_new_tokens=20)
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print(tokenizer.decode(outputs[0], skip_special_tokens=True))
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```
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</details>
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### Load the model with Flash Attention 2
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<details>
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<summary> Click to expand </summary>
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```diff
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+ import torch
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from transformers import AutoModelForCausalLM, AutoTokenizer
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model_id = "PawanKrd/Mixtral-8x22B-Instruct-v0.1"
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tokenizer = AutoTokenizer.from_pretrained(model_id)
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+ model = AutoModelForCausalLM.from_pretrained(model_id, use_flash_attention_2=True, device_map="auto")
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messages = [
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{"role": "user", "content": "What is your favourite condiment?"},
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{"role": "assistant", "content": "Well, I'm quite partial to a good squeeze of fresh lemon juice. It adds just the right amount of zesty flavour to whatever I'm cooking up in the kitchen!"},
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{"role": "user", "content": "Do you have mayonnaise recipes?"}
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]
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input_ids = tokenizer.apply_chat_template(messages, return_tensors="pt").to("cuda")
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outputs = model.generate(input_ids, max_new_tokens=20)
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print(tokenizer.decode(outputs[0], skip_special_tokens=True))
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```
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</details>
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# Training
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Fine-tuned on 8xH100 80GB GPUs
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# The Mistral AI Team
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Albert Jiang, Alexandre Sablayrolles, Arthur Mensch, Blanche Savary, Chris Bamford, Devendra Singh Chaplot, Diego de las Casas, Emma Bou Hanna, Florian Bressand, Gianna Lengyel, Guillaume Bour, Guillaume Lample, Lélio Renard Lavaud, Louis Ternon, Lucile Saulnier, Marie-Anne Lachaux, Pierre Stock, Teven Le Scao, Théophile Gervet, Thibaut Lavril, Thomas Wang, Timothée Lacroix, William El Sayed.
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