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LLM Saves 3GB

·2026.04.18 16:38

Key point

Unweight reduces LLM size by 15~22% while maintaining accuracy.

Details

Cloudflare has unveiled Unweight. It compresses LLM weights in a lossless way, reducing model size by 15~22% while maintaining output accuracy.

  • Based on Llama-3.1-8B, compressing only the MLP weights on an Nvidia H100 saved about 3GB of VRAM.
  • The GPU kernels have been open-sourced on GitHub, along with a technical paper.
  • Going forward, they plan to expand the compression scope to include attention weights as well.
open-sourcecloudflarellamanvidia-h100llm-compressiongpu-kernelsweight-compression
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