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license: llama2 |
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# Edit |
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PS : https://github.com/Cornell-RelaxML/quip-sharp/issues/13 |
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As mentioned in the above issue thread, |
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- for accurate hessian generation, use a larger devset (e.g., 4096) and consider accumulating hessians in fp32 if consumer GPUs with fast fp64 are not available. |
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- changing the Hessian dataset from a natural language dataset to a mathematical dataset, as the task is a math model. |
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Experiment QUIP 2-bit E8P12 version that works in textgen-webui with quip mode loader |
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Generated by using scripts from https://gitee.com/yhyu13/llama_-tools |
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Original weight : https://huggingface.co/Xwin-LM/Xwin-Math-7B-V1.0 |
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GPTQ 4bit : https://huggingface.co/Yhyu13/Xwin-Math-7B-V1.0-GPTQ-4bit |
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This repo used `hessian_offline_llama.py` provided by QUIP repo to generate hessian specifically for the orignal model before applying Quip quantization. |
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It took quite a long time for hessian for all 31 layers, about 6 hours for 7B models on a single RTX3090. I am not sure if I made any error. |
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QUIP byproducts are also uploaded. |
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Perplexity calcaultead using `eval_ppl.py` provided by QUIP repo |
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QUIP PPL: |
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- wikitext2 perplexity: 11.247852325439453 |
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- c4 perplexity: 16.275997161865234 |
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Original model PPL: |
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- wikitext2 perplexity: 6.042122840881348 |
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- c4 perplexity: 8.430611610412598 |
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Looks like something is wrong, the quantized model is a disaster. |
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--- |
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Here is some testing done in textgen-webui, I was using Q&A from this dataset https://huggingface.co/datasets/TIGER-Lab/MathInstruct |
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It seems the 2 bit could hardly answer any question correctly, in compare to GPTQ 4bit version. But the https://huggingface.co/relaxml/Llama-2-13b-E8P-2Bit model made by the author of QUIP seems to work fine, just as good as GPTQ. |
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So in conclusion, this is a very experimental model that I made just to testify QUIP, I may made some error. But I think it is a good start. |
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QUIP 2 bit version: |
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GPTQ 4 bit version: |
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