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Params4bit.to does not move quant_state.code #1527

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matthewdouglas opened this issue Feb 19, 2025 · 0 comments · Fixed by #1528
Closed

Params4bit.to does not move quant_state.code #1527

matthewdouglas opened this issue Feb 19, 2025 · 0 comments · Fixed by #1528
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System Info

  • Transformers version: 4.49.0
  • Accelerate version: 1.4.0
  • 🤗 Diffusers version: 0.32.2
  • Platform: Linux-6.13.2-arch1-1-x86_64-with-glibc2.41
  • Python version: 3.12.8
  • PyTorch version (GPU?): 2.6.0+cu124 (True)
  • Bitsandbytes version: 0.45.3.dev0
  • Safetensors version: 0.5.2
  • Accelerator: NVIDIA GeForce RTX 4090, 24564 MiB

Reproduction

See huggingface/diffusers#10798

Expected behavior

Params4bit.to() should move all of the required quantization state.
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QuantState.to(): move code tensor with others to correct device bitsandbytes-foundation/bitsandbytes
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