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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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DGX SparkでローカルLLMをLangChainで動かした話
Hirokatsu Endo
November 27, 2025
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Transcript
personal AI computer DGX Spark ~ ϩʔΧϧLLMͰLangChainಈ͔ͯ͠Έͨ ~ LangChain Meetup
Tokyo #7 גࣜձࣾδΣωϥςΟϒΤʔδΣϯπ ԕ౻ େհ / @ruzia ಧ ͍ ͨ ʂ
ࣗݾհ ‣ԕ౻ େհ / @ruzia ‣δΣωϥςΟϒΤʔδΣϯπॴଐ ‣Πϯϑϥͱػցֶशܥ͕͖ ‣Claude CodeͲͬΓ ‣ϩʔυόΠΫָ͍͠
‣FLUX.2ྑ͍ͧɾɾɾʂ
None
AIΤʔδΣϯτ͕ʮϋϒʯͱͳΓ ਓؒͱAIΤʔδΣϯτͷڠಇ͕ ͨΓલʹͳΔੈքΛ࣮ݱ͢Δ
None
ຊ
ຊͷ͓Β ‣DGX SparkͬͯͲ͏͍͏ͷʁ ‣ϩʔΧϧLLMͲ͏ͬͯಈ͔͢ʁ ‣ͱ͍͏͜ͱLangChainͰϩʔΧϧLLM͕ʂ ‣ϑΟʔυόοΫ #LangChainJP ·Ͱ
Q DGX Sparkͬͯ ฉ͍ͨ͜ͱ͋Δਓʁ
NVIDIA͕࡞ͬͨ ύʔιφϧAIίϯϐϡʔλ
None
ͪͳΈʹॳͷ DGX-1͜ΜͳαΠζײ
None
ॳFP16Ͱ 960ςϥϑϩοϓε FP4ਫ਼Ͱ࠷େ1ϖλϑϩοϓεͷ ԋࢉೳྗͱ128GBͷϝϞϦΛ ࣋ͪͭͭফඅిྗ͕240W ͱ͍͏Խ͚Ϛγϯ
OSUbuntuΛ ΧελϜͨ͠DGX OS
None
ηοτΞοϓ ϒϥβܦ༝ͰՄೳ
None
None
Q ϩʔΧϧLLMΛ ಈ͔ͨ͠ࣄ͕͋Δਓʁ
Ollama Chat & build with open models
OllamaΛ͏ͱϩʔΧϧͰ gpt-ossͱ͔qwen3-vlͱ͔Λ ಈ͔͢ࣄ͕Ͱ͖Δ
None
None
LangChainʹOllama༻ͷ ΠϯςάϨʔγϣϯ͕ ࣮͞ΕͯΔ ͳΜͱʂ
“https://docs.langchain.com/oss/python/integrations/chat/ollama”
ͱ͍͏͜ͱʂ LangChainͰʂ ϩʔΧϧLLM͕ʂ
None
$ python main.py ࢲLangChain͕େ͖Ͱ͢ʂ
None
ϩʔΧϧͰ120BͷϞσϧ͕ αΫοͱಈ͔ͤΔͷ ·͡Ͱ͍͠໘ന͍
৭ʑݴΘΕͯΔ DGX Spark͚ͩͲ ৮Δͱָ͍͠ʂ ເ͔͠ͳ͍ʂ
͝ਗ਼ௌ͋Γ͕ͱ͏ ͍͟͝·ͨ͠ʂ