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[GH-ISSUE #1444] [Bug] Cannot run DeepSeek-TNG-R1T2-Chimera IQ1_S UD #961
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kvcache-ai/ktransformers#961
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Originally created by @lunzima on GitHub (Jul 16, 2025).
Original GitHub issue: https://github.com/kvcache-ai/ktransformers/issues/1444
检查清单
问题描述
When trying to run DeepSeek-TNG-R1T2-Chimera-UD-IQ1_S, following error occurs:
NotImplementedError: ggml_type 18 not implemented
According to https://kvcache-ai.github.io/ktransformers/en/install.html#support-quantize-format
IQ1_S should be supported correctly.
复现步骤
ktransformers --gguf_path /models/ --model_path tngtech/DeepSeek-TNG-R1T2-Chimera --model_name unsloth/DeepSeek-TNG-R1T2-Chimera-GGUF --cache_q4 true --temperature 0.6 --top_p 0.95 --force_think --host 0.0.0.0 --port 10002 --optimize_config_path /models/DeepSeek-V3-Chat.yaml
Model: DeepSeek-TNG-R1T2-Chimera
环境信息
Dockerfile: [approachingai/ktransformers:latest-AVX2]
GPU: NVIDIA A4000 16G
CPU: AMD EPYC 7773X