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README.md
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---
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base_model: NousResearch/Llama-2-7b-chat-hf
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inference: false
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model_type: llama
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prompt_template: |
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<s>[INST]
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{prompt}
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[/INST]
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quantized_by: mwitiderrick
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tags:
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- deepsparse
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---
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# Llama-2-7b-chat-hf - DeepSparse
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This repo contains model files for [Llama-2-7b-hf](https://huggingface.co/NousResearch/Llama-2-7b-chat-hf) optimized for [DeepSparse](https://github.com/neuralmagic/deepsparse), a CPU inference runtime for sparse models.
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This model was quantized and pruned with [SparseGPT](https://arxiv.org/abs/2301.00774), using [SparseML](https://github.com/neuralmagic/sparseml).
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## Inference
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Install [DeepSparse LLM](https://github.com/neuralmagic/deepsparse) for fast inference on CPUs:
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```bash
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pip install deepsparse-nightly[llm]
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```
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Run in a [Python pipeline](https://github.com/neuralmagic/deepsparse/blob/main/docs/llms/text-generation-pipeline.md):
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```python
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from deepsparse import TextGeneration
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prompt = "How to make banana bread?"
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formatted_prompt = f"### Instruction\n{prompt}\n### Response:\n"
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model = TextGeneration(model_path="hf:nm-testing/SOLAR-10.7B-Instruct-v1.0-pruned50-quant-ds")
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print(model(formatted_prompt, max_new_tokens=200).generations[0].text)
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"""
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"""
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```
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## Prompt template
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```
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<s>[INST]
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<prompt>
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[/INST]
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```
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## Sparsification
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For details on how this model was sparsified, see the `recipe.yaml` in this repo and follow the instructions below.
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```bash
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git clone https://github.com/neuralmagic/sparseml
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pip install -e "sparseml[transformers]"
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python sparseml/src/sparseml/transformers/sparsification/obcq/obcq.py NousResearch/Llama-2-7b-chat-hf open_platypus --precision float16 --recipe recipe.yaml --save True
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python sparseml/src/sparseml/transformers/sparsification/obcq/export.py --task text-generation --model_path obcq_deployment
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cp deployment/model.onnx deployment/model-orig.onnx
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```
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Run this kv-cache injection to speed up the model at inference by caching the Key and Value states:
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```python
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import os
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import onnx
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from sparseml.exporters.kv_cache_injector import KeyValueCacheInjector
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input_file = "deployment/model-orig.onnx"
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output_file = "deployment/model.onnx"
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model = onnx.load(input_file, load_external_data=False)
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model = KeyValueCacheInjector(model_path=os.path.dirname(input_file)).apply(model)
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onnx.save(model, output_file)
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print(f"Modified model saved to: {output_file}")
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```
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Follow the instructions on our [One Shot With SparseML](https://github.com/neuralmagic/sparseml/tree/main/src/sparseml/transformers/sparsification/obcq) page for a step-by-step guide for performing one-shot quantization of large language models.
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## Slack
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For further support, and discussions on these models and AI in general, join [Neural Magic's Slack Community](https://join.slack.com/t/discuss-neuralmagic/shared_invite/zt-q1a1cnvo-YBoICSIw3L1dmQpjBeDurQ)
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