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fbaldassarri/
HuggingFaceTB_SmolLM2-360M-auto_round-int4-gs64-sym

Name: HuggingFaceTB_SmolLM2-360M-auto_round-int4-gs64-sym
Availability: InStock

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Model Information

Quantized version of HuggingFaceTB/SmolLM2-360M using torch.float32 for quantization tuning.

4 bits (INT4)
group size = 64
Symmetrical Quantization
Method WoQ (AutoRound format)

Fast and low memory, 2-3X speedup (slight accuracy drop at W4G64)

Quantization framework: Intel AutoRound v0.4.4

Note: this INT4 version of SmolLM2-360M has been quantized to run inference through CPU.

Replication Recipe

Step 1 Install Requirements

I suggest to install requirements into a dedicated python-virtualenv or a conda enviroment.

wget https://github.com/intel/auto-round/archive/refs/tags/v0.4.4.tar.gz
tar -xvzf v0.4.4.tar.gz
cd auto-round-0.4.4
pip install -r requirements-cpu.txt --upgrade

Step 2 Build Intel AutoRound wheel from sources

pip install -vvv --no-build-isolation -e .[cpu]

Step 3 Script for Quantization

  from transformers import AutoModelForCausalLM, AutoTokenizer
  model_name = "HuggingFaceTB/SmolLM2-360M"
  model = AutoModelForCausalLM.from_pretrained(model_name)
  tokenizer = AutoTokenizer.from_pretrained(model_name)
  from auto_round import AutoRound
  bits, group_size, sym, device, amp = 4, 64, True, 'cpu', False
  autoround = AutoRound(model, tokenizer, nsamples=128, iters=200, seqlen=512, batch_size=4, bits=bits, group_size=group_size, sym=sym, device=device, amp=amp)
  autoround.quantize()
  output_dir = "./AutoRound/HuggingFaceTB_SmolLM2-360M-auto_round-int4-gs64-sym"
  autoround.save_quantized(output_dir, format='auto_round', inplace=True)

License

Apache 2.0 License

Disclaimer

This quantized model comes with no warrenty. It has been developed only for research purposes.

fbaldassarri/HuggingFaceTB_SmolLM2-360M-auto_round-int4-gs64-sym