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DGX SparkでローカルLLMをLangChainで動かした話

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Avatar for Hirokatsu Endo Hirokatsu Endo
November 27, 2025
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DGX SparkでローカルLLMをLangChainで動かした話

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Hirokatsu Endo

November 27, 2025
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Transcript

  1. personal AI computer DGX Spark ~ ϩʔΧϧLLMͰLangChainಈ͔ͯ͠Έͨ ~ LangChain Meetup

    Tokyo #7 גࣜձࣾδΣωϥςΟϒΤʔδΣϯπ ԕ౻ େհ / @ruzia ಧ ͍ ͨ ʂ

  2. ࣗݾ঺հ ‣ԕ౻ େհ / @ruzia ‣δΣωϥςΟϒΤʔδΣϯπॴଐ ‣Πϯϑϥͱػցֶशܥ͕޷͖ ‣Claude CodeͲͬ΀Γ ‣ϩʔυόΠΫָ͍͠

    ‣FLUX.2ྑ͍ͧɾɾɾʂ
  3. None

  4. AIΤʔδΣϯτ͕ʮϋϒʯͱͳΓ ਓؒͱAIΤʔδΣϯτͷڠಇ͕ ౰ͨΓલʹͳΔੈքΛ࣮ݱ͢Δ

  5. None

  6. ຊ୊

  7. ຊ೔ͷ͓୊໨΍Β ‣DGX SparkͬͯͲ͏͍͏΋ͷʁ ‣ϩʔΧϧLLMͲ͏΍ͬͯಈ͔͢ʁ ‣ͱ͍͏͜ͱ͸LangChainͰϩʔΧϧLLM͕ʂ ‣ϑΟʔυόοΫ͸ #LangChainJP ·Ͱ

  8. Q DGX Sparkͬͯ ฉ͍ͨ͜ͱ͋Δਓʁ

  9. NVIDIA͕࡞ͬͨ ύʔιφϧAIίϯϐϡʔλ

  10. None

  11. ͪͳΈʹॳ୅ͷ DGX-1͸͜ΜͳαΠζײ

  12. None

  13. ॳ୅͸FP16Ͱ
 960ςϥϑϩοϓε FP4ਫ਼౓Ͱ࠷େ1ϖλϑϩοϓεͷ ԋࢉೳྗͱ128GBͷϝϞϦΛ ࣋ͪͭͭ΋ফඅిྗ͕240W ͱ͍͏Խ͚෺Ϛγϯ

  14. OS͸UbuntuΛ ΧελϜͨ͠DGX OS

  15. None

  16. ηοτΞοϓ͸ ϒϥ΢βܦ༝Ͱ΋Մೳ

  17. None
  18. None

  19. Q ϩʔΧϧLLMΛ ಈ͔ͨ͠ࣄ͕͋Δਓʁ

  20. Ollama
 Chat & build with open models

  21. OllamaΛ࢖͏ͱϩʔΧϧͰ gpt-ossͱ͔qwen3-vlͱ͔Λ ಈ͔͢ࣄ͕Ͱ͖Δ

  22. None
  23. None

  24. LangChainʹ͸Ollama༻ͷ ΠϯςάϨʔγϣϯ͕ ࣮૷͞ΕͯΔ ͳΜͱʂ

  25. “https://docs.langchain.com/oss/python/integrations/chat/ollama”

  26. ͱ͍͏͜ͱ͸ʂ LangChainͰʂ ϩʔΧϧLLM͕ʂ

  27. None

  28. $ python main.py ࢲ͸LangChain͕େ޷͖Ͱ͢ʂ

  29. None

  30. ϩʔΧϧͰ120BͷϞσϧ͕ αΫοͱಈ͔ͤΔͷ͸ ·͡Ͱ೤͍͠໘ന͍

  31. ৭ʑݴΘΕͯΔ DGX Spark͚ͩͲ
 ৮Δͱָ͍͠ʂ ເ͔͠ͳ͍ʂ

  32. ͝ਗ਼ௌ͋Γ͕ͱ͏ ͍͟͝·ͨ͠ʂ