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README.md
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license: cc-by-nc-sa-4.0
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base_model:
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- Unbabel/Tower-Plus-9B
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license: cc-by-nc-sa-4.0
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base_model:
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- Unbabel/Tower-Plus-9B
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pipeline_tag: translation
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---
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# Tower+ 9B (4-bit bitsandbytes)
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This is a 4-bit quantized version of Tower+ 9B using bitsandbytes.
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Model Description
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Original Model: https://huggingface.co/Unbabel/Tower-Plus-9B
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Quantization Method: 4-bit NormalFloat (NF4)
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Quantization Library: bitsandbytes
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Compute Dtype: float16
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This model was quantized to reduce memory usage and improve inference efficiency while maintaining high performance. It can be loaded directly with Hugging Face transformers on a GPU.
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Usage
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You can load this model using the transformers library. Ensure you have bitsandbytes and accelerate installed.
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Prerequisites
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```Bash
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pip install transformers bitsandbytes accelerate
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```
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Loading the Model
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```Python
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from transformers import AutoModelForCausalLM, AutoTokenizer
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model_id = "lonq/Tower-Plus-9B-bnb-4bit"
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model = AutoModelForCausalLM.from_pretrained(
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model_id,
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device_map="auto"
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)
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tokenizer = AutoTokenizer.from_pretrained(model_id)
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# Example generation
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input_text = "Once upon a time"
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source_name = "English"
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target_name = "French"
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messages = [
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{"role": "user", "content": f"Translate the following text from {source_name} to {target_name}.\nSource: {input_text}\nTarget:"}
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]
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inputs = self._tokenizer.apply_chat_template(
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messages,
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tokenize=True,
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add_generation_prompt=True,
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return_tensors="pt"
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).to(self._model.device)
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outputs = model.generate(**inputs, max_new_tokens=4096)
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new_tokens = outputs[0][inputs.shape[1]:]
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print(self._tokenizer.decode(new_tokens, skip_special_tokens=True).strip())
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```
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Intended Use
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This model is intended for efficient inference on consumer-grade GPUs or environments with limited VRAM.
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