[GH-ISSUE #1444] [Bug] Cannot run DeepSeek-TNG-R1T2-Chimera IQ1_S UD #961

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opened 2026-10-29 14:46:59 +00:00 by bsakaguchi · 0 comments
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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

  • 1. 我已经搜索过相关问题,但未能获得预期的帮助
  • 2. 该问题在最新版本中尚未修复
  • 3. 请注意,如果您提交的BUG相关 issue 缺少对应环境信息和最小可复现示例,我们将难以复现和定位问题,降低获得反馈的可能性
  • 4. 如果您提出的不是bug而是问题,请在讨论区发起讨论 https://github.com/kvcache-ai/ktransformers/discussions。否则该 issue 将被关闭
  • 5. 为方便社区交流,我将使用中文/英文或附上中文/英文翻译(如使用其他语言)。未附带翻译的非中文/英语内容可能会被关闭

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

Originally created by @lunzima on GitHub (Jul 16, 2025). Original GitHub issue: https://github.com/kvcache-ai/ktransformers/issues/1444 ### 检查清单 - [x] 1. 我已经搜索过相关问题,但未能获得预期的帮助 - [x] 2. 该问题在最新版本中尚未修复 - [x] 3. 请注意,如果您提交的BUG相关 issue 缺少对应环境信息和最小可复现示例,我们将难以复现和定位问题,降低获得反馈的可能性 - [x] 4. 如果您提出的不是bug而是问题,请在讨论区发起讨论 https://github.com/kvcache-ai/ktransformers/discussions。否则该 issue 将被关闭 - [x] 5. 为方便社区交流,我将使用中文/英文或附上中文/英文翻译(如使用其他语言)。未附带翻译的非中文/英语内容可能会被关闭 ### 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
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kvcache-ai/ktransformers#961
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