EETQ [[eetq]]
EETQ λΌμ΄λΈλ¬λ¦¬λ NVIDIA GPUμ λν΄ int8 μ±λλ³(per-channel) κ°μ€μΉ μ μ© μμν(weight-only quantization)μ μ§μν©λλ€. κ³ μ±λ₯ GEMM λ° GEMV 컀λμ FasterTransformer λ° TensorRT-LLMμμ κ°μ Έμμ΅λλ€. κ΅μ (calibration) λ°μ΄ν°μ μ΄ νμ μμΌλ©°, λͺ¨λΈμ μ¬μ μ μμνν νμλ μμ΅λλ€. λν, μ±λλ³ μμν(per-channel quantization) λλΆμ μ νλ μ νκ° λ―Έλ―Έν©λλ€.
λ¦΄λ¦¬μ€ νμ΄μ§μμ eetqλ₯Ό μ€μΉνλμ§ νμΈνμΈμ.
pip install --no-cache-dir https://github.com/NetEase-FuXi/EETQ/releases/download/v1.0.0/EETQ-1.0.0+cu121+torch2.1.2-cp310-cp310-linux_x86_64.whl
λλ μμ€ μ½λ https://github.com/NetEase-FuXi/EETQ μμ μ€μΉν μ μμ΅λλ€. EETQλ CUDA κΈ°λ₯μ΄ 8.9 μ΄νμ΄κ³ 7.0 μ΄μμ΄μ΄μΌ ν©λλ€.
git clone https://github.com/NetEase-FuXi/EETQ.git
cd EETQ/
git submodule update --init --recursive
pip install .
λΉμμν λͺ¨λΈμ "from_pretrained"λ₯Ό ν΅ν΄ μμνν μ μμ΅λλ€.
from transformers import AutoModelForCausalLM, EetqConfig
path = "/path/to/model".
quantization_config = EetqConfig("int8")
model = AutoModelForCausalLM.from_pretrained(path, device_map="auto", quantization_config=quantization_config)
μμνλ λͺ¨λΈμ "save_pretrained"λ₯Ό ν΅ν΄ μ μ₯ν μ μμΌλ©°, "from_pretrained"λ₯Ό ν΅ν΄ λ€μ μ¬μ©ν μ μμ΅λλ€.
quant_path = "/path/to/save/quantized/model"
model.save_pretrained(quant_path)
model = AutoModelForCausalLM.from_pretrained(quant_path, device_map="auto")