lightvl is a lightweight Vision-Language Model (VLM) quantization toolkit
Project description
LightVL is a lightweight Vision-Language Model (VLM) quantization toolkit supporting FP8, INT8, FP8-Block, and INT4-FP8 mixed quantization schemes. It integrates with vLLM for high-throughput inference and supports Qwen3-VL, Qwen3.5, InternVL-Chat, and Gemma-4 models.
Key capabilities:
- CPU or GPU fast quantization
- Automated side-by-side comparison of original vs quantized model latency and accuracy based vllm and transformers
- Batch inference with concurrent request execution
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