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transformers/docs/source/en/quantization/spqr.md
Steven Liu c0f8d055ce
[docs] Redesign (#31757) 
* toctree

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Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>

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---------

Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>

* "to be not" -> "not to be" (#32636)

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---------

Co-authored-by: Younes Belkada <49240599+younesbelkada@users.noreply.github.com>
Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>
Co-authored-by: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>
2025-03-03 10:33:46 -08:00

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SpQR

The SpQR quantization algorithm involves a 16x16 tiled bi-level group 3-bit quantization structure with sparse outliers.

Tip

To quantize a model with SpQR, refer to the Vahe1994/SpQR repository.

Load a SpQR-quantized model with [~PreTrainedModel.from_pretrained].

from transformers import AutoTokenizer, AutoModelForCausalLM
import torch

quantized_model = AutoModelForCausalLM.from_pretrained(
    "elvircrn/Llama-2-7b-SPQR-3Bit-16x16-red_pajama-hf",
    torch_dtype=torch.half,
    device_map="auto"
)
tokenizer = AutoTokenizer.from_pretrained("elvircrn/Llama-2-7b-SPQR-3Bit-16x16-red_pajama-hf")