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README.md
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---
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license: mit
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base_model: Qwen/Qwen3.5-2B
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tags:
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- hipfire
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- amd
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- rdna
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- quantized
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- qwen3.5
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library_name: hipfire
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---
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# Qwen3.5-2B for hipfire
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Pre-quantized **Qwen3.5-2B** (DeltaNet hybrid) for [hipfire](https://github.com/Kaden-Schutt/hipfire), a Rust-native LLM inference engine for AMD RDNA GPUs.
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Quantized from [Qwen/Qwen3.5-2B](https://huggingface.co/Qwen/Qwen3.5-2B).
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## Files
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| File | Quant | Size | Min VRAM | Speed (5700 XT) |
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|------|-------|------|----------|-----------------|
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| qwen3.5-2b.q4.hfq | HFQ4 | 1.2GB | 2GB | 141 tok/s |
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| qwen3.5-2b.hfq6.hfq | HFQ6 | 1.6GB | 3GB | 127 tok/s |
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## Usage
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```bash
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# Install hipfire
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curl -L https://raw.githubusercontent.com/Kaden-Schutt/hipfire/master/scripts/install.sh | bash
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# Pull and run
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hipfire pull qwen3.5:2b
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hipfire run qwen3.5:2b "Hello"
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```
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## Quantization Formats
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- **HFQ4**: 4-bit, 256-weight groups (0.53 B/w). Best speed.
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- **HFQ6**: 6-bit, 256-weight groups (0.78 B/w). Best quality. ~15% slower.
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Both include embedded tokenizer and model config.
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## About hipfire
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Rust + HIP inference engine for AMD consumer GPUs (RDNA1–RDNA4). No Python in the hot path. 9x faster than llama.cpp+ROCm on the same hardware.
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- GitHub: [Kaden-Schutt/hipfire](https://github.com/Kaden-Schutt/hipfire)
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- All models: [docs/MODELS.md](https://github.com/Kaden-Schutt/hipfire/blob/master/docs/MODELS.md)
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## License
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Model weights subject to original [Qwen license](https://huggingface.co/Qwen/Qwen3.5-2B). hipfire engine: MIT.
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