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微軟開源bitnet.cpp:本地運行千億參數AI模型,無需GPU?

   時間:2024-10-19 15:19 來源:ITBEAR作者:鐘景軒

微軟公司近日宣布了一項重大開源成果——bitnet.cpp,這一創新框架專為1-bit大語言模型(LLM)設計,旨在實現超高效推理。通過bitnet.cpp,用戶無需依賴GPU,即可在本地設備上流暢運行規模達1000億參數的語言模型。

bitnet.cpp不僅帶來了6.17倍的速度提升,還顯著降低了能耗,降幅高達82.2%。這一突破解決了傳統大語言模型對GPU和電力的高需求問題,使得小型企業和個人用戶也能以較低成本享受AI技術。

該框架支持1-bit LLMs的高效計算,并優化了內核以最大化CPU推理性能。目前,bitnet.cpp已支持ARM和x86 CPU,未來還計劃擴展至NPU、GPU和移動設備。

根據測試結果,bitnet.cpp在ARM CPU上的加速比為1.37x至5.07x,x86 CPU上則為2.37x至6.17x,能耗減少55.4%至82.2%。

bitnet.cpp的推出有望重塑LLMs的計算范式,減少對硬件的依賴,為本地LLMs的發展鋪平道路。同時,它還能增強隱私保護,降低數據發送至外部服務器的需求。微軟的“1-bit AI Infra”計劃中,bitnet.cpp扮演著舉足輕重的角色。

 
 
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