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README.md
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total and 17B active parameters chosen using a top-2 gating. For more details about Arctic's model
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Architecture, training process, data, etc. [see our series of cookbooks](https://www.snowflake.com/en/data-cloud/arctic/cookbook/).
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## Usage
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```python
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pip install
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```
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Arctic leverages several features from [DeepSpeed](https://github.com/microsoft/DeepSpeed), you will need to
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install the
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```python
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pip install
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```
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### Inference
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Due to the model size we recommend using a single 8xH100 instance from your
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favorite cloud provider such as: AWS [p5.48xlarge](https://aws.amazon.com/ec2/instance-types/p5/),
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Azure [ND96isr_H100_v5](https://learn.microsoft.com/en-us/azure/virtual-machines/nd-h100-v5-series), etc.
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In this example we are using FP8 quantization provided by DeepSpeed in the backend, we can also use FP6
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quantization by specifying `q_bits=6` in the `
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for max_memory is required until we can get DeepSpeed's FP quantization supported natively as a
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are actively working on.
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```python
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import torch
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from transformers import AutoModelForCausalLM, AutoTokenizer
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from
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tokenizer = AutoTokenizer.from_pretrained("Snowflake/snowflake-arctic-instruct")
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model = AutoModelForCausalLM.from_pretrained(
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"Snowflake/snowflake-arctic-instruct",
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low_cpu_mem_usage=True,
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device_map="auto",
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ds_quantization_config=quant_config,
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max_memory={i: "150GiB" for i in range(8)},
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torch_dtype=torch.bfloat16)
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input_ids = tokenizer.apply_chat_template(messages, add_generation_prompt=True, return_tensors="pt").to("cuda")
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outputs = model.generate(input_ids=input_ids, max_new_tokens=
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print(tokenizer.decode(outputs[0]))
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```
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total and 17B active parameters chosen using a top-2 gating. For more details about Arctic's model
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Architecture, training process, data, etc. [see our series of cookbooks](https://www.snowflake.com/en/data-cloud/arctic/cookbook/).
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## Usage
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Arctic is currently supported with `transformers` by leveraging the
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[custom code feature](https://huggingface.co/docs/transformers/en/custom_models#using-a-model-with-custom-code),
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to use this you simply need to add `trust_remote_code=True` to your AutoTokenizer and AutoModelForCausalLM calls.
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However, we recommend that you use a `transformers` version at or above 4.39:
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```python
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pip install transformers>=4.39.0
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```
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Arctic leverages several features from [DeepSpeed](https://github.com/microsoft/DeepSpeed), you will need to
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install the DeepSpeed 0.14.2 or higher to get all of these required features:
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```python
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pip install deepspeed>=0.14.2
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```
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### Inference examples
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Due to the model size we recommend using a single 8xH100 instance from your
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favorite cloud provider such as: AWS [p5.48xlarge](https://aws.amazon.com/ec2/instance-types/p5/),
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Azure [ND96isr_H100_v5](https://learn.microsoft.com/en-us/azure/virtual-machines/nd-h100-v5-series), etc.
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In this example we are using FP8 quantization provided by DeepSpeed in the backend, we can also use FP6
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quantization by specifying `q_bits=6` in the `QuantizationConfig` config. The `"150GiB"` setting
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for max_memory is required until we can get DeepSpeed's FP quantization supported natively as a
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[HFQuantizer](https://huggingface.co/docs/transformers/main/en/hf_quantizer#build-a-new-hfquantizer-class) which we
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are actively working on.
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```python
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import torch
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from transformers import AutoModelForCausalLM, AutoTokenizer
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from deepspeed.linear.config import QuantizationConfig
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tokenizer = AutoTokenizer.from_pretrained(
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"Snowflake/snowflake-arctic-instruct",
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trust_remote_code=True
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)
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quant_config = QuantizationConfig(q_bits=8)
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model = AutoModelForCausalLM.from_pretrained(
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"Snowflake/snowflake-arctic-instruct",
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trust_remote_code=True,
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low_cpu_mem_usage=True,
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device_map="auto",
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ds_quantization_config=quant_config,
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max_memory={i: "150GiB" for i in range(8)},
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torch_dtype=torch.bfloat16)
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content = "5x + 35 = 7x - 60 + 10. Solve for x"
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messages = [{"role": "user", "content": content}]
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input_ids = tokenizer.apply_chat_template(messages, add_generation_prompt=True, return_tensors="pt").to("cuda")
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outputs = model.generate(input_ids=input_ids, max_new_tokens=256)
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print(tokenizer.decode(outputs[0]))
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```
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