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